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8176692 |
In-ground storm shelter
In areas with propensity for tornados, for example in the central part of the country, the plain states, the mid-west, and also in Florida, it is customary to have some form of storm shelter in...
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8096002 |
Height adjustable shower waste
A height-adjustable shower waste for a bathroom floor having a non-flexible waterproof floor covering material, the shower waste comprising a waste body (12) for mounting in the bathroom floor and...
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8091292 |
Low force egress and safety apparatus for subterranean window wells
An apparatus for providing improved egress and greater safety for subterranean window wells. The apparatus has relatively low lifting force to allow people to escape fires and earthquake damaged...
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8006439 |
Closing device
This device for closing an opening includes a frame (4) that delimits a pass-through access opening (10) suitable for receiving a cover (6) and which includes a frame hinge knuckle (18). The frame...
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7975436 |
Utility trench cover and manufacturing method
A cover for a utility trench includes upper and lower surfaces enclosing a hollow cavity, which is subdivided by multiple, transverse channels recessed into an extending transversely across the...
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7966786 |
Molded sectioned riser and locking cover
A riser formed from a plurality of curved cylindrical segments with vertical side edges having mating vertically tapered projections and slots brought into interlocking engagement to pull...
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7966772 |
Tubular insert for excavated hole with safety cover
A tubular insert sleeve for an excavated hole and a safety cover fitted to cover an operatively upper end of the insert sleeve are provided to maintain the integrity of an excavated hole and limit...
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7955026 |
Method for rehabilitating a manhole
To line an inner circumferential surface of side walls of a manhole, a rehabilitating sheet made of a sheet material resistant to water and corrosion is provided in the form of a bag having a shape...
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7926510 |
Risers for use with access openings in wastewater treatment tanks
A riser system for use at the access opening of a wastewater treatment tank includes an adaptor ring affixed to the top of the tank, and a mating riser. The adaptor ring and riser have ends with...
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7914227 |
Thermally and electrically insulated composite manhole covers
A manhole cover includes a support having an upper surface and a peripherally-extending portion. An outer insulating member is disposed over the entire upper surface of the support, and the support...
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7908798 |
Device for closing a frame having a panel articulated on the frame
A device for closing a frame, which has a panel mounted removably on and articulated on the frame includes a hook that has, at an end part, a heel that can stop against a surface of the...
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7891904 |
Manhole cover stop mechanism
A stop mechanism advantageously combined with a manhole cover includes a holder body having a passage which slidably receives a stop member able to be cammed in and out upon advance or retraction...
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7889079 |
Anti security system for manhole covers
There is disclosed an antitheft security alarm system and method for manhole covers, rainwater drains, and the like, to prevent burglary of the cover by transmitting a wireless alarm signal to a...
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7883290 |
Manhole security barrier
A manhole barrier system configured to prevent unauthorized access or dumping or removal of materials into manholes is provided. The manhole barrier system includes a substantially hollow sub-ring...
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7862729 |
Deck drain cover
There is provided a drain cover for a drain disposed within a fabricated layer having an exposed surface. The drain includes a frame member having a top surface. The frame member extends through...
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7827737 |
Recessed plaster collar assembly
A plaster collar assembly having a first ring, a second ring secured to the first ring, and a mechanism arranged at an outer periphery of at least one of the rings for axially displacing the first...
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7802402 |
Crawl space access device
A crawl space access device is capable of being placed in a below grade level crawl space entry pit, and mating with the below grade opening in a building wall. The crawl space access device...
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7793991 |
Pipe connector
A pipe connector (10) including a joining portion (12) having a port (14) for connection of a first pipe thereto, the joining portion also having a wall for connection of a second pipe thereto, the...
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7793468 |
Blind with easy access features
A blind adapted for easier access than that of traditional hunting blinds. A dual blind including easier access to the blind. A blind with a flip open entry which may then be closed, leaving only...
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7774988 |
Inspection chamber, as well as set of base parts therefor
An inspection chamber having a plastic sleeve, a plastic base accommodated in the sleeve and at least two branches connected to the sleeve, which base has a flow profile that extends between the...
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7726080 |
Under-floor storage
An under-floor storage system provides extra storage space, and is intended for use in locations where tile floors are normally used, such as in kitchens and in bathrooms. The storage system...
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7712259 |
Sump cover system for underground liquid storage tanks
A quick, field installed sump cover system for below ground sumps includes a support ring, a seal between the ring and sump upper lip, preferably two compression brackets each having two spaced...
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7627992 |
Stackable riser and cover configuration
A stackable riser section having a single side wall having a first open end defined by an edge and a second open, channel end. The riser section includes a plurality of bosses extending to the...
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7574831 |
Riser pan component for on-site waste systems
An integrally formed riser pan member for use as a modular component within an access passageway for an on-site waste disposal system, such as a septic tank, to receivably retain a secondary cover...
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7571570 |
Recessed plaster collar assembly
A plaster collar assembly having a first ring, a second ring secured to the first ring, and a mechanism arranged at an outer periphery of at least one of the rings for axially displacing the first...
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7556055 |
Prevention of unwanted material accumulations
In one embodiment, the invention provides a rupture disk assembly having a rupture disk and a rupture disk holder. The rupture disk holder has a first annular member downstream of the rupture disk,...
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7516575 |
Rooftop opening safety railing
An improved safety railing for use with an opening in a rooftop or other location. The safety railing is easily securable to the curb, or upstanding wall, surrounding the opening. The securing...
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7491010 |
Road manhole
This road manhole comprises a frame (4) which delimits an opening (6) and which is provided with an internal collar (8) which extends radially inwards, a cover (10) which comprises a blocking web...
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7451570 |
Casting riser pan
A casting riser pan for defining an access opening in a cast concrete structure, serving as a cast for a cover for closing the access opening, and serving as a seat for the cover. The casting riser...
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7438498 |
Security system for sewage, aqueduct, telephony and energy caps
Security System for Sewer, Aqueduct, Telephone and Energy System Manhole Caps or Covers including an electromechanical cover (1), on the surface of which is placed an electromagnetic crane (2) that...
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7428800 |
In-ground shelter
An improved shelter of the type having a front wall, a back wall, two opposing side walls, a bottom and a top defining a substantially rectangular box with an opening defined in the top, a flat lid...
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7401998 |
Construction of a foamed polymeric manhole chimney
A stackable polymeric foam adjustment or grade ring is provided for the construction of the adjustment courses or manhole chimney portion of a sewer system. The adjustment ring is circular and may...
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7361834 |
Electric handhole/pullbox access cover
A lightweight plastic cover for an electric handhole or pullbox having a plurality of vertical channels in a circular array at a radius about halfway from the center to the circumference. The...
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7350827 |
Cam expansion ring assembly
An expansion ring assembly and method for sealingly installing a gasket within an opening in a wall of a structure. The expansion ring assembly includes an expansion ring having first and second...
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7337584 |
Insulated ceiling hatch
A ceiling hatch employs a frame having an upper edge and a lower edge and a passage bounded by a sidewall passing therebetween, the passage extending from the lower edge to the upper edge and...
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7313889 |
Temporary ground-level road-edge member and method for positioning below-ground structures
A template for temporary placement on the open upper end of a below-ground structure, including a rectangular body matching key dimensions of a permanent ground-level member to be installed, the...
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7266926 |
Temporary ground-level member and method for positioning below-ground structures
A template for temporary placement on the open upper end of a below-ground structure, including a body matching key dimensions of a permanent ground-level member to be installed, the body having an...
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7251914 |
Frame mount latch assembly for subsurface aircraft servicing pit
A subsurface aircraft servicing pit is provided with a hold down assembly that secures a pit lid mounting frame in position on a bearing seat at the top of a prefabricated pit enclosure. A frame...
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7225587 |
Cover system for septic tank
A cover system for septic tanks adapted to be attached to the a septic tank and provide access for repair and maintenance. The assembly includes a base which is embedded into the concrete and...
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7216459 |
Access hatch cover assembly with lift-assist assembly and method therefor
A hatch cover with spring assembly to assist in lifting open the hatch cover lid. The lid is hinged to a frame so it can be rotated about the hinge to an open position. A spring or a pair of...
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7201534 |
Apparatus and method to secure manhole accessways
A manhole access way security apparatus and method for using the security apparatus are disclosed. The security apparatus includes an insert, at least one locking pin and a locking mechanism each...
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7201532 |
Method and device for adjusting height of manhole
A method and a device for safely and efficiently adjusting the height of a manhole freely allowing the addition and removal of a height adjusting member at any position. The method and device may...
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7171994 |
Spillage containment system and kit for underground storage tanks
A matter-isolating system for use in combination with an underground storage tank assembly comprises primary and secondary spillage containment assemblies and a double-walled manhole assembly. The...
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7163352 |
Utilities access closure
A concrete lid for an in-ground utilities box includes a plastic reinforcement structure filled with concrete. The plastic reinforcement structure includes one or more plastic sidewalls that...
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7150582 |
Form for street box in underground storage tank installation
A form suitable for use in an underground storage tank installation includes an upper portion sized and shaped to receive a street box and a lower portion that fits over and surrounds an upper...
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7150580 |
Tapered manhole sealing band and method for use
The invention relates to a device and method for sealing a manhole structure. An elastomeric band with at least two different peripheries is sealingly engaged to at least two corresponding...
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7127849 |
Manway lift device having an adjustable biasing assembly therefor
A manway lift device comprises two hinge assemblies, each hinge assembly comprising a first hinge member, a second hinge member, a smooth bore bushing, an internally threaded bushing and an...
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7025529 |
Self-leveling system
Existing street sewers consist of an immobile concrete structure supporting a frame. The present invention, the self-leveling street sewer, comprises a frame that floats on the foundation of the...
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6997639 |
Method and apparatus for adjusting the height and inclination of roadway and greenway appurtenances
An apparatus for adjusting the height and inclination of roadway and greenway appurtenances includes a rigid annular support ring mountable onto a rigid annular spacer ring sized so as to be...
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6986226 |
Manhole water seal-cap/diverter
A device prevents water from leaking into a manhole. The device includes a body having first and second portions that are integrally formed. The first portion extends along and above a periphery of...
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