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| Number | Title | Issue Date |
| 8104222 | Animal trap An animal trap having a jaw pivotally mounted to a base that swings between cocked sprung positions. A spring means biases the jaw toward the sprung position. Cooperatively engaged drive and driven gears are mounted on the side of the base. The driven gear is releas... | 01/31/2012 |
| 7182872 | Struvite crystallization The present invention provides a method and apparatus for removing phosphorus from phosphorus containing waste. In one embodiment, the method is preferably carried out by contacting the phosphorus containing waste with a non-cellular membrane and precipitating phosp... | 02/27/2007 |
| 7162832 | Rodent snap trap device A rodent snap trap device includes a snap bar rotatably coupled to a base. The snap bar is rotatable between a spring biased, rest position and a loaded position. A unitary trigger is pivotably coupled to the base. The trigger includes a horizontal trigger portion w... | 01/16/2007 |
| 6508031 | Rodent trap with removable bait container A rodent trap particularly adapted for rats has a plastic base to which a plastic upper jaw is pivotably mounted by a steel pin. A spring is engaged between the base and the upper jaw and urges the jaw to close upon the base. A trigger is pivotably mounte... | 01/21/2003 |
| 5528853 | Magnetic computerized mouse trap A magnetic computerized mouse trap comprising a base having an upper surface, opposite sides and opposite ends. A trap bar is pivotally mounted on the upper surface of the base, for pivotal movement about a horizontal axis between a cocked position and a ... | 06/25/1996 |
| 4483094 | Rodent exterminating apparatus A power operated rodent exterminating apparatus includes a pneumatic actuator for moving a pivotally mounted striking bar from a retracted position to a striking position and automatically returning to a retracted position. A detector plate is mounted on ... | 11/20/1984 |
| 4472904 | Rodent trap with improved sensitivity A rodent trap is disclosed having a pivotally mounted bait carrier with a catch hole, a cam surface and a magnetic flap biased to an initial trap setting position by a magnet. Thumb pressure is applied to a spring-biased striking bar comprising a major lo... | 09/25/1984 |
| 4369595 | Animal trap An animal trap comprises a base frame having an upper surface and a jaw member pivotally mounted on the base for pivotal movement from a cocked position to a sprung position, the jaw member having at least one horizontal bar extending transversely of the ... | 01/25/1983 |
| 4349980 | Rodent exterminating apparatus A rodent exterminating apparatus having a frame on which a pivotally mounted striking bar is operable to be moved from a retracted position to a striking position by a pneumatic actuator including a one way spring return rolling diaphragm operated plunger... | 09/21/1982 |
| 4297805 | Animal trap An animal trap comprises a base frame having an upper surface, a jaw member pivotally mounted on the base for pivotal movement from a cocked position to a sprung position, the jaw member having at least one horizontal bar extending transversely of the bas... | 11/03/1981 |
| 4121370 | Humane animal trap A humane animal trap has a pair of pivotally connected jaws each having a circular periphery, the jaws being spring-biased to a closed position. The jaws may be automatically set in an open position and to that end one jaw has a pair of rail members exten... | 10/24/1978 |
