Bizarre Patents
Self Containing Enclosure for Protection from Killer Bees
A self contained protective enclosure with an opening for entry and egress and a screen for ventilation and viewing.
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 |
| 7252486 | Hand-operated inflator A hand-operated inflator with dual cylinder is provided. Once the cylinders are pulled out on two sides of the central block to form a line axially, and a clamp plate at mid point in between the two cylinders is turned to the transversal position to lock the cylinde... | 08/07/2007 |
| 6935850 | Axially aligned dual piston cylinder air pump with a common head portion A dual-direction pump includes two cylinders arranged on opposite sides of a head portion and an inlet return-flow prevention device and a leakproof device mounted between the cylinder and the head portion for avoiding leakage at the juncture between the cylinder an... | 08/30/2005 |
| 6877629 | Food storage device Container for storing food products including a base defining a product support surface for supporting the food product and a cover releasably engaging with the base such that when the cover engages with the base, a storage compartment is defined by the cover and th... | 04/12/2005 |
| 6572344 | Compact pump or motor with internal swash plate A fluid translating device is provided that includes a first member having fluid inlet/outlet ports and a second member having a plurality of pistons disposed therein secured to a stationary central shaft. A camplate and port plate is disposed in the flui... | 06/03/2003 |
| 5879145 | Integrated cylinder liner and valve plate for a compressor Replace the abstract in the instant application with the following abstract: A compressor has a reciprocating piston operating in a working area to compress the working medium, a drive unit for the reciprocating movement of the piston, and an intake and d... | 03/09/1999 |
| 5788469 | Piston type liquid fuel pump with an improved outlet valve A fuel injection system for injecting gasoline or other fuel directly into the combustion chambers of an internal combustion engine includes a fuel pump having a fixed barrel member therein which has a plurality of bores forming cylinders extending theret... | 08/04/1998 |
| 5681154 | Air pump with dual air intakes An air pump with dual air intakes includes a hollow pump body, a securing cover, a piston rod, a piston, an air outlet, a check valve, an air duct and a handle. The pump body has one end connected to the air outlet and the check valve. The peripheral rim ... | 10/28/1997 |
| 5378117 | Valve unloading means, and a valve unloading actuator therefor A cylindrical gas compressor has inlet valves confined therewithin, at opposite ends thereof, and discharge valves, shaft-mounted therebetween, for reciprocation to ingest and compress admitted gas. Outboard of the inlet valves are circular plates from wh... | 01/03/1995 |
| 5252045 | Dual piston reciprocating vacuum pump A reciprocating vacuum pump characterized in that each part to be lubricated of a crank moving portion and piston moving portions is made oilless, two pistons in the piston moving portions being formed so that their load working lines are aligned, a sucti... | 10/12/1993 |
| 5165876 | Tire pump A tire pump comprises a first cylindrical body, a second cylindrical body, a two-way air admission piston, a piston rod, a first one-way valve, a hand grip, a second one-way valve, a third one-way valve, a fourth one-way valve, and an air valve connection... | 11/24/1992 |
| 5011383 | Valve assembly, for use in combination with a straight-cylinder, gas-compression chamber, and in combination therewith The assembly, designed for use in combination with a straight-cylinder, gas-compression chamber, has a center bolt which is threaded at opposite ends thereof to receive a pair of valve sets. Each of the latter has a ported valve seat, valve guard, and por... | 04/30/1991 |
| 4648807 | Compact piezoelectric fluidic air supply pump The piezoelectrically driven diaphragm of an air pump is extended through a chamber and commmunicating outlet passage of the pump's housing. During vibration of the diaphragm, air pulses are alternately expelled through the outlet passage portions positio... | 03/10/1987 |
| 3981625 | Pump with gauge means A pump having a hollow cylinder, and a piston slidably received in the cylinder, with the piston dividing the inside of the cylinder into two chambers. A hollow piston rod has one end connected to the piston and the other end extending out of the cylinder... | 09/21/1976 |
