Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7441427 | Binary coded key and tamper resistant latch A latch has a bushing which has at least one bushing projection or means for preventing insertion of an unauthorized tool to rotate a latch actuator of the latch. Only a key having an outer key recess which can mate with bushing projection on the bushing permits ins... | 10/28/2008 |
| 7431353 | Suicide door latch Described is a latch assembly that can be mounted within a door structure or in an adjacent frame structure of a vehicle to secure a suicide-type car door to an adjacent door panel. The latch assembly includes first and second blocks mounted adjacent and spaced from... | 10/07/2008 |
| 7331616 | Hood latch assemblies utilizing active materials and methods of use A latch for engaging and disengaging two opposing surfaces includes a pin disposed on one surface and a gate disposed on an opposite surface; an active material in operative communication with the pin or the gate; an activation device in operative communication with... | 02/19/2008 |
| 7309205 | Vehicle loading and unloading method A trailer unloading system anchors one or more trailers to a deck, with, or without tractor attached. The sides of the trailers are free to pivot from a top, longitudinal, pivot axis once unlatched from the edge of the trailer floor. The deck tilts the trailers side... | 12/18/2007 |
| 7267379 | Flush bolt A flush bolt includes a bolt head and a strike. The bolt head moves out of the flush bolt in response to movement of the strike into the flush bolt, through a movable cam surface in the flush bolt. The bolt head is withdrawn towards the flush bolt when the strike is... | 09/11/2007 |
| 7097240 | Locking mechanism with rotatable features A locking mechanism is described that releasably locks at least two objects together. The locking mechanism allows one of the objects to be rotatably connected to the other, allowing for a variety of uses. The rotatability and releasability of the locking mechanism ... | 08/29/2006 |
| 7065922 | Locking mechanism for a gate A locking mechanism for a stair gate, comprising a displaceable latching member and an operating element which can engage on the latching member, wherein in a non-loaded state the operating element substantially releases the latching member and in a loaded state the... | 06/27/2006 |
| 7036854 | Flush bolt A flush bolt mechanism to be mounted into a recess at the vertical edge of an inactive door of a pair of swinging doors. The flush bolt mechanism has a manually-activated trigger, a shaft connected to the trigger by a pin, a spring clip biasing the shaft, and a bolt... | 05/02/2006 |
| 6952898 | Guide rail adjusting device for a motor vehicle power window assembly An adjusting screw for adjusting the distance between a rail of a power window device and the lower portion of the door of the vehicle, threadeably extends through the rail of the power window device, a fixed nut being provided at one side of the rail, and a torsion... | 10/11/2005 |
| 6938376 | Door reinforcement system A door reinforcement system comprises two pairs of assemblies, each assembly having subassemblies on the inside and the outside of the door. The inside subassemblies include a plate with a channel for housing a sliding bolt, and may include three subassemblies with ... | 09/06/2005 |
| 6931897 | Lock for a sliding door or gate The lock comprises a frame (5), at least one bolt (4), in particular a latch bolt which projects in a predetermined direction out of the frame, a bolt operating mechanism (26, 31, 32) and means (20, 24) for mounting at least one hand oper... | 08/23/2005 |
| 6102452 | Locking device for doors or windows A locking device for doors or windows comprising: a base member including an axially extended hole which has one end being formed as an oblong-shaped hole and the other end being formed with a round opening, the oblong-shaped hole having an axially extended in... | 08/15/2000 |
| 6032986 | Door system for a mine stopping A door system for closing a doorway in a mine stopping includes a door hinged adjacent the doorway for swinging relative to the stopping between a closed position and an open position. A keeper is mounted in fixed position relative to the doorway. A latch... | 03/07/2000 |
| 5997053 | Latch A latching apparatus controls the motion of a first member relative to a second member. The first member is reciprocally moveable relative to the second member in forward and reverse directions along the line of motion. The second member carries a latch w... | 12/07/1999 |
| 5505505 | Device for securing a closure such as a window A device for securing a closure. An illustrated latching device is for releasably securing a closure such as a window. The device includes a base for mounting, typically to a pivotally mounted window frame. The base has an upstanding hollow threaded shaft... | 04/09/1996 |
| 5467619 | Post latching systems A latching system, in accordance with a first preferred, embodiment of the present invention, comprises a notched post assembly, a post gripping assembly and a handle assembly, and, in preferred embodiments, a lock assembly associated with the handle asse... | 11/21/1995 |
| 5462249 | Clamp for securing trailer ramp in transport position A pivotable clamp for securing a trailer ramp in a stowed position on the surface of a dovetail-type trailer is provided. The trailer and ramp on which the clamp is used are of the type having a surface constructed of spaced apart cross-pieces. The clamp ... | 10/31/1995 |
| 5280973 | Hatch securing mechanism A hatch securing mechanisms has a base attached to a hatchway and a hasp ached to a hatch lid. The base has an apertured retainer and a pinway element, the hasp being held between the retainer and pinway element during closure of the lid. A latch pin tra... | 01/25/1994 |
| 5253904 | Security lock for sliding door or window A lock comprising a stationary sleeve, a hollow cylindrical member, a tubular member and a means for rotating the hollow cylindrical member. The stationary sleeve defines a spirally extending slot that extends its entire length. The spirally extending slo... | 10/19/1993 |
| 5160180 | Automatic quick open/close locking mechanism A automatic locking and unlocking device for effecting the locking engagement of a lock stud within a stud receiving fixture. The lock device of the present invention is adapted for locking a movable closure member relative to a stationary member, such as... | 11/03/1992 |
| 4840287 | Locking mechanism for a pressure cooker A simple to operate locking mechanism for a pressure cooker, the locking mechanism having a locking arm rotatable from a fully open to a fully locked position, the locking arm being operatively connected to a cam shaft assembly which is rotatable with the... | 06/20/1989 |
| 4796930 | Closure latch A vehicle closure latch includes a latch bolt member which is rotatable through a limited arc between latchable and unlatched positions. The latch bolt member includes circumferentially spaced grooves which receive transversely movable striker members whe... | 01/10/1989 |
| 4470623 | Plate fastening system A fastening system is provided for fastening a plate having open-ended slots formed about its periphery to a supporting wall. The system includes a mounting block which is mounted to the supporting wall, a clevis pivoted on the mounting block, the clevis ... | 09/11/1984 |
| 4432305 | Adjustable livestock chute A livestock chute including a pair of opposite side frames positioned in spaced relation and each having a first and a second end. First and second end panels extend transversely between and interconnect the side frames. The second end panel is longitudin... | 02/21/1984 |
| 4417749 | Ski binding with step-in frame A ski binding provided with a step-in frame which may be firmly connected to the surface of the ski for downhill skiing, released and freely pivotable for level movement or provided with two elevated heel positions for uphill climbing.... | 11/29/1983 |
| 4361350 | Securing device for a housing cover element, especially for switch boxes having electrical switching devices An arrangement for securing a housing cover, especially useful for securing a cover for a switch box having electrical switching devices therein includes at least one screwable element which can be threaded to the housing and which is secured undetachably... | 11/30/1982 |
| 4191427 | Simulated knock off spinner nut A simulated knock off wheel spinner nut which can be attached to a wheel without having to remove the wheel from the vehicle. The simulated nut is sized to be partially inserted into the hub opening of the wheel and then locked in position by a plurality ... | 03/04/1980 |
| 4143857 | Safety/privacy fence A fence which provides an effective barrier to the attempts of children to climb and which is of durable and attractive appearance is formed of molded or stamped panels connected to support posts and a fence cap interlocking with the upper ends of the pan... | 03/13/1979 |
| 3937504 | Push and pull door latch The main housing is an exact size for insertion in the conventional door, is adjustable for door thickness and allows conventional hole cutting and preparation. This housing is cylindrical, and has two sides with working parts built in one side, each side... | 02/10/1976 |
