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8020579 |
Fire hydrant security cap closure system
This invention provides a fire hydrant security system having an inner cap with an outlet port on a fire hydrant in a fixed position which includes a member capable of extending from the periphery...
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7766027 |
Vented steamer port cap assembly
The present invention relates generally to methods and devices for providing a fire hydrant with a vented steamer port cap assembly to allow air and water to pass through an upper area of a fire...
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7617835 |
Hydrant assist kit
A coupler for a hydrant assist kit includes a single piece construction having an inlet, an outlet, a basin, and a drain, the drain above the inlet and at a bottom of the basin. A hydrant assist...
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7278442 |
Vented port-cap for fire hydrant
The vented port-cap includes a check-valve, which admits air into the barrel of the hydrant when the pressure inside is lower than the pressure outside. After an inspection of the hydrant, the...
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7140212 |
Locking cover plate arrangement
A locking cover plate can be selectively locked in position on a stortz pipe end fitting or can be unlocked and removed for access to the open pipe end. The cover plate includes a sliding plate...
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6948512 |
Flushing attachment for hydrant
A device and method for automatically flushing hydrants. The device is installed externally to an existing hydrant. The device comprises a nipple having an internally threaded collar for attaching...
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6935360 |
Fire hydrant protective cover and visibility marker
A fire hydrant protective cover and visibility marker comprising a hollow body having an interior space, a cap portion, middle portion and bottom portion, the bottom portion having an opening for...
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6816072 |
Fire hydrant anti-tamper device
A detection and signaling apparatus is mountable in a fire hydrant to detect a parameter, such as unauthorized movement of a discharge nozzle cap relative to the fire hydrant. A housing carrying a...
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6802338 |
Fire hydrant securing arrangements
A fire hydrant securing arrangement utilizes a magnetic detent to couple an outer body to a center post so that when a wrench with a permanent magnet is mated with the outer body, the magnetic...
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6698261 |
Locking cap system
A locking cap is selectively locked into place within a tubular opening, such as the open end of a standpipe used to charge a building sprinkler system. The locking cap has an expandable sleeve and...
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6691732 |
Hydrant security device
The present invention provides a hydrant locking device to be used in conjunction with a fire hydrant having locking nuts which includes, a base arm having a first base arm portion and a second...
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6688326 |
Locking fire hydrant
A locking fire hydrant includes a fire hydrant body having an outlet port, a valve access hole, and an outer surface with a recess defined therein. The recess is configured to receive a locking cap...
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6684900 |
Installation device for yard hydrant
A device and method for installing yard hydrants which renders the yard hydrant easily installed and replaced. The device includes a buried adapter, a sleeve, and a cap. The buried adapter has an...
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6536462 |
Fire hydrant cover
A cover is provided for selectively covering and uncovering a fire hydrant or the like so that the hydrant is protected and easily located and maintained. The cover has an upper cover portion...
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6474358 |
Fire hydrant safety box
A fire hydrant safety box provides a user with a product that could be used to surround and protect fire hydrants from physical damage. The fire hydrant safety box includes a tubular member has an...
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6463953 |
Fire hydrant protection device
An apparatus is disclosed comprising a first cover and an attachment device to which the first cover is connected, wherein the attachment device can be used to attach the first cover to a fire...
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6112761 |
Fire hydrant locking device and wrench
A fire hydrant locking device comprises a clamp which engages the hydrant stem and includes apertured butterfly wings which are engaged by a forked rod locking the stem in a closed position. The...
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6109292 |
Method and apparatus for removing and replacing the tamperproof device for a fire hydrant or other valve device
A method and system for installing, removing and actuation a rotatable keyed actuation portion or lower valve stem portion of a fire hydrant or other valve device consisting of a first device for...
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6089253 |
Fire hydrant security systems
A fire hydrant security system for mounting on a standpipe of a fire hydrant wherein the hydrant has a mounting surface with holes therethrough and a bonnet mounted on the mounting surface, the...
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5957154 |
Fire hydrant adaptor and cover
A fire hydrant adaptor and cover for attachment to the uncovered outlet pipe of a fire hydrant. The fire hydrant adaptor and cover includes an adaptor pipe having a first end with internal threads...
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5941274 |
Method and apparatus for securing a fire hydrant or other valve devices
A method and system for securing the exposed valve stem of the hydrant valve system in order to conserve valuable reserve resources and maintain street water pressure by restricting the...
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5924437 |
External shutoff valve for fire hydrants
A kit for the emergency shutoff of a fire hydrant after the hydrant stem has failed and a cap of the hydrant nozzle has been removed so that a jet of water is escaping from the hydrant. The kit...
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5810044 |
Fluid control system
A system for controlling fluid flow from an outlet aperture, particularly a standpipe such as a fire hydrant. There is a first cylindrical collar element for location around the standpipe and...
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5727590 |
Tamper resistant construction for hydrant actuating nut
A tamper resistant construction for preventing unauthorized actuation of the hydrant nut of a fire hydrant by causing any lateral pounding or upward forces applied to the tamper resistant...
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5722450 |
Tamper resistant construction for hydrant
A tamper resistant construction for a fire hydrant including a hydrant nut actuating body for mounting on a hydrant nut, a shroud rotatably mounted on a first end portion of the hydrant nut...
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5664597 |
Cover for enclosing a fixed article, such as a fire hydrant, and a method of using the same
A cover is provided for placing over an article fixed to a surface. The cover is particularly useful for covering a fire hydrant and identifying the fire hydrant in the winter months in a climate...
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5596893 |
Devices for securing fire hydrant valves
A magnetic security device for preventing unauthorized opening of fire hydrant valves includes an inner cylindrical member which is fixed to a nut on the valve stem and an outer rotatable member...
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5588460 |
Fire hydrant valve guide with locking sleeve and wrench therefor
A hydrant protector for preventing unauthorized use of the hydrant includes an internally threaded tubular shleld around the valve stem. To prevent a collection of trash in the shield and to...
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5549133 |
Security device and system for preventing unauthorized access to and operation of fire hydrants
A security device and system for preventing unauthorized access to and operation of fire hydrants. The security device includes a first end portion for coupling the device to a portion of a fire...
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5520210 |
Protective shield for fire hydrant
A protective shield for a fire hydrant operating stub is provided which allows direct access to the operating stub by standard authorized tools without requiring the removal of any portion of the...
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5469724 |
Fire hydrant locking device
The fire hydrant locking device has a cap (20) enclosing the operating nut (12) of the fire hydrant (6). The cap is secured in place on the top surface of the fire hydrant bonnet (10) by at least...
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5404899 |
Catchment device for machine parts and tools
A single piece hat-shaped catchment device for preventing machine parts and tools from falling into the inaccessible interior of a mechanism during the servicing thereof. The catchment device...
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5383495 |
Stainless steel security cap for fire hydrants
A security hydrant cap having a domed body adapted to be removed only with a specialized tool, and a slip ring surrounding substantially all of the body and mounted thereto so as to be free to...
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5205312 |
Fire hydrant locking arrangement
A fire hydrant locking arrangement which is intended for utilization on a conventional fire hydrant. Moreover, also disclosed is a method of producing a fire hydrant locking arrangement through a...
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5201338 |
System and device for flushing water mains
A water distribution system includes flushing hydrants having buried valve assemblies and a removable top stock carried from valve assembly to valve assembly. A vertical marker replaces the top...
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5158105 |
Anti-siphon freezeless hydrant
An anti-siphon and freezeless water hydrant comprises a unitary cast metal housing which incorporates a hose bib, and a drain opening cylinder equipped with drain orifices and a drain valve seat....
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5072750 |
Fire hydrant closures
Improvements relating to fire hydrant closures are disclosed in which a cap-shaped cover for the outflow port from a fire hydrant, and a tool for locking and unlocking the cap on the hydrant, is...
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5033501 |
Fire hydrant cap and actuating tool therefor
A fire hydrant cap and actuating tool for use therewith provide enhanced security for fire hydrants and increased safety when using the tool. The cap is forged of 8620 carbon steel; is provided...
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4936336 |
Tamperproof construction for hydrant actuating nut
A tamperproof construction for preventing actuation of the actuating nut of a fire hydrant comprising a nut actuating body for receiving the hydrant nut in turning relationship, set screws locking...
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4827969 |
Cover for a hydrant
A cover encompasses a hydrant having a bonnet mounted atop an upper barrel having two flanged ends. The cover has a domed annular hood shaped to correspond to the bonnet. The cover also has an...
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4825898 |
Tamper prevention device for fire hydrants
A protective device for fire hydrants comprises a generally domed shaped member having a shape conforming to the bonnet of a fire hydrant and including a socket configured to receive an operating...
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4791952 |
Hydrant and components thereof
A hydrant includes one or more novel and improved features, namely: (1) a nozzle assembly comprising a nozzle and a retainer ring mounted from within the upper standpipe section of the hydrant; (2)...
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4776363 |
Fire hydrant having internal valve actuation means
The invention relates to a hydrant comprising a trunk body in which novel valve means for opening the water main is positioned completely within the trunk body and wherein a novel assembly cap is...
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4736765 |
Hydrant securing device
A hydrant securing device is adapted for use on a conventional fire hydrant having an exposed upper valve nut and a pair of caps each formed with a cap nut. The device preferrably comprises a...
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4727900 |
Tamper-proof hydrant cover
A tamper-proof cover for the operating nut of a hydrant. The cover includes a housing adapted to be positioned above the operating nut for covering the operating nut, the housing having an opening,...
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4716922 |
Magnetic fire hydrant guard
A device is provided, designed to prevent unauthorized operation of fire hydrants by completely concealing the hydrant operating nut and weather shield within freely rotating sleeves, thereby...
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4690019 |
Operating wrench for tamperproof hydrants
A tamperproof fire hydrant which can only be operated with use of a special operating means or tool thus preventing the opening of the hydrant by unauthorized persons for unauthorized use. The...
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4651771 |
Hydrant protective cap and cover structure and operating wrench therefor
A fire hydrant cap and cover assembly which is provided with a hydrant operating wrench therefor. The cap of the assembly has an interior threaded cap portion which attaches to the threaded portion...
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4633896 |
Operating nut for fire hydrant
An operating nut construction for a fire hydrant including a body member having a lower tapped portion for threadably receiving a fire hydrant valve rod, a sleeve rotatably mounted on the body...
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4617956 |
Control means for ground hydrants
A control means for ground hydrants is disclosed for use in combination with a conventional freezeless ground hydrant having an elongated vertical housing with a valve means at the lower end...
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