Matches 1 - 50 out of 84 1 2 >
Match Document Document Title
7552554 Door appliance  
An appliance for a room door serves to display a message at both the inside and outside faces of the door and further enables one at the inside face to observe individuals and activities beyond the...
7240673 Flange for flame observation  
A flange ( 1 ) for optical flame observation in a gas turbine includes at least one bore for optical observation, in which bore there is arranged at least one pane ( 9, 10 ) for separating the...
6922944 Powered access window for machinery  
A powered access window for machinery includes a powered window pane, two track members, an actuation device. The powered access window replaces a window pane in a sliding door of an automatic...
6810625 Vehicle door auxiliary window assembly  
An auxiliary window assembly is adapted to be installed adjacent an aperture formed in a lower portion of a vehicle door. The vehicle door can be of the type that includes a window opening formed...
6779305 Door viewer plug  
A conventional commercial door viewer includes a lens at one end for providing a wide angle view and a hollow end through which a person would look. A truncated cone shaped plug fits within the...
6715527 Ventilation apparatus for garages  
A ventilator for installation in a garage door. It preferably fits in place of a standard garage door panel or into the panel. The ventilator includes a frame fitting into the door in place of a...
6336293 Door of lavatory unit  
A door provided to a lavatory unit allowing the access of users is equipped with a vent louver mounted to an opening perforated to the lower portion of a door body 110 via a frame 115 of the...
6182402 Confinement-cell window attachment  
An apparatus for the viewing of an inmate in a cell while preventing the inmate from determining if he is being observed includes a frame enclosure with means for securing the apparatus about a...
6082869 Door/window mounted safety mirror  
The present invention 10 discloses a safety mirror 10 designed to be attached to the outside of an outwardly opening door 14 and to be viewed from the inside of the door by the user 12 looking...
6073335 Method for providing a door ornament support  
A method of supporting an ornament on the exterior of a door uses a peep hole fixture to mount a hanger piece. The hanger piece is a flat metal strip having a hole in one end sized to be received...
6006474 Audio peephole for doors  
The audio peephole for doors (T) comprises two flange bushings (2, 3), which are inserted into one another and held together by a two-piece screw-type optical spy-hole (1), with the flange bushings...
5671564 Communication portal  
A communication portal including a circular interior component comprising an outer plate and an inner plate. The outer plate has a plurality of apertures therethrough. The outer plate has an...
5657592 Pet door having a centrally mounted door flap  
A pet door assembly for insertion within a hole formed in a wall having a pair of exterior frames and an inner frame. The exterior frame members mount to opposite sides of the wall and define an...
5579605 Double door  
An entrance door for office or residence that has a main door equipped with a sub door where the main door is set locked when the sub door is opened. Dimension of the sub door is selected as big...
5535550 Door structure  
A door structure includes a main door having an opening defined therein. A first and second auxiliary doors are hingedly fitted in the opening. A first and second latches are movably mounted on one...
5524954 Van rear compartment closure  
A two-window closure for the rear opening of a van to obviate a spare tire obstruction in which one window is coextensive with the spare tire and remains in place unless the spare tire is traversed...
5518175 Mail slot mounting assembly  
The present invention is directed to a mail slot mounting assembly which can be easily installed onto the cross-bars of an existing door without the need for welding or extensive cutting operations...
5481829 Door and window construction and mounting assembly for improved security, ventilation and aesthetics  
A closure construction and mounting assembly comprising: a steel frame in a rectangular configuration having horizontal parallel upper and lower extents and vertical parallel interior and exterior...
5473979 Food smoking cooker  
A vertical hollow enclosed main member with hinged access doors. Grill shelves made of intermittent rod members are attached in an internal arrangement for holding food, especially meat for cooking...
5467556 Shutter window assembly  
A shutter window assembly including an aluminum window frame unit consisting of an outer window frame and a shutter, the shutter consisting of two stiles, a top rail, a bottom rail, and a plurality...
5467557 Window construction and method of making the same  
According to the invention, a window (11) having an aperture (40) therein also includes a moveable, secondary window assembly (10) mounted on one side of the window aperture (40), such that the...
5426891 Door knocker with invisible lenticular breast plate  
A combined door knocker and viewer utilizes the from portion of the central breast plate area of the body of a door knocker as the forwardmost element of a lens system, permitting the viewer wide...
5359795 Refrigerator door construction  
An insulated door for use in a refrigerator having an ice and water through the door dispenser is made by attaching a liner for housing the dispenser on the rear face of the door in line with a...
5287654 Pet access door frame modular unit  
A modular pet access door unit for insertion into a hole cut into a door or wall has exterior frames and spacer frames, fastened together by fasteners extending horizontally through brackets in the...
5269111 Door  
A door having a door core construction having a front face and a rear face which are both planar, and at least one window opening formed in said front and rear faces, both the front face and the...
5207044 Vision panel assembly for fire door panels  
A vision panel assembly for a fire door includes a frame structure and a glass vision panel which are mounted in a rectangular opening in the fire door. The frame structure includes a pair of...
5161328 Service hatch insertable in doors and walls  
A service hatch insertable in doors and walls, with a frame insertable in an opening of a door or of a wall and a closing part connected to said frame and incorporating a service opening, whereby...
5095965 Shutter and a slat for the same  
The present invention relates to a shutter which is capable of ventilating air in a building. There is provided a slat, which has a through-hole covered with a net, in the upper section of the...
5083444 Heat insulating cover for cooling containers  
A heat insulating cover for an upwardly open cooling container, especially deep cooling container, having a cooling chamber, the heat insulating cover comprises a plurality of cover plates arranged...
5022206 Entry door system  
An entry door system constructed of panels having a metal skin filled with insulating rigid foam core and having a unique wood facing and whereby the system has exceptional insulating qualities...
5012616 Storm door of tubular frame construction  
A storm door comprising a frame assembly which includes tubular metal frame members, each of the frame members having a uniform rectangular cross-sectional shape and being formed into a continuous...
5007183 Vacuum drier apparatus  
A vacuum drier apparatus capable of preventing the thermal deformation of the protection member as well as scattering of the tempered glass plate in a case of an accidental breaking of the tempered...
5007213 Lock system for passing objects from a radioactively contaminated chamber into a container  
The invention is directed to a lock system for permitting objects to be ped from a contaminated chamber into a container which is disposed in a contamination-free chamber and docked to the lock...
4979376 Microtomy device  
An improve microtomy device is disclosed comprising a microtome and a thermostatically controlled refrigeration means controllable by a microprocessor and accommodated in an instrument cabinet, the...
4976212 Portlight for water craft  
A portlight for installing at an opening in a wall of a boat, comprising an interior frame surrounding an open viewing area. The interior frame comprises an axially extending spigot for outward...
4964711 Viewing device  
The present invention provides a viewing device, said device being positioned within the outer and inner surfaces of an entry door, to ascertain the identity of prospective entrants from within the...
4947672 Hydraulic compression tool having an improved relief and release valve  
A valve for use in a hydraulic compression tool. The valve has a frame with a central chamber, a first inlet, a second inlet and a discharged outlet. A first gate is located at the first inlet. A...
4947606 Vision panel assembly  
A vision panel assembly for a fire door is provided with a decorative shielding unit which enhances the appearance of the fire door and renders the vision panel assembly substantially tamper-proof.
4912877 Security door  
A security door comprises an outer frame for closing off a doorway and door hinge means connected to the outer frame for hingedly mounting the outer frame in the doorway. An opening is provided...
4869021 Through-door viewing device  
An improved through-door viewing device comprising a generally rectangular telescope, a lens mounted in one end of said telescope, an eyepiece mounted in the opposite end of said telescope, a...
4862812 Window tray assembly  
A window tray assembly comprising a vertical wall having a window therein, a lower margin of the window being defined by a sill, and a planar tray member adapted to be moved from a position...
4856575 Window assembly for segmented structure  
A window for a segmented edifice utilizing three frames, each having a plurality of openings through the same. The first two frames sandwiched the segmented edifice and are held in such...
4839989 Door light  
A prefabricated door light unit comprises a rectangular ringlike frame units which project into the window opening from opposites thereof and are fixably mountable therein. The frame units define a...
4763444 Viewing and oral communications assembly for doors  
A viewing and oral communications assembly for doors generally rectangular in shape, having mirror surfaces to transmit images from positions adjacent to the door through the assembly and having...
4719720 Door wicket or viewing port with polarizing lens  
A viewing port for doors such as residences including a light polarizing assembly including at least two linear polarized optical elements, one mounted for rotation with respect to the other...
4644687 Door with a shutter device  
A door with shutter device, having a door panel provided with a plurality of through holes, and a shutter panel moveably disposed to overlap the door panel, the shutter panel having a plurality of...
4615281 Key safe  
In combination with a building door, there is provided a key safe for a door key comprising an open ended housing secured within and projecting through the door. A safe door is hinged to and closes...
4592167 Doors  
A solid door for a dwelling, the door combining the features of security, ventilation and insect protection. The door has an aperture covered by a security grill and an insect screen. A sliding...
4571901 Vandal-resistant security view port  
A vandal-resistant security view port for use in prison cells and the like. The view port permits observation into a cell or room and is mounted on a frame which can be attached over an opening in...
4561116 Optical remote-control device for a residence door  
The device consists of an inspection glass (3) inserted in the door (1), a semi-transparent mirror (5) which is arranged inclined behind the inspection glass (3) and which faces the inspection...
Matches 1 - 50 out of 84 1 2 >