Bizarre Patents
A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.
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 |
| 8087906 | Fluid pump with disposable component A pump having a disposable fluid contacting portion which defines a fluid inlet and outlet and a fluid path there between. The pump includes a drive portion configured to engage the disposable portion to cause fluid to be moved from the fluid inlet to the fluid outl... | 01/03/2012 |
| 6981850 | Apparatus and method for producing a pressurized vapor stream A cryogenic stream is pumped by a cryopump and then vaporized in a vaporizer to produce the pressurized vapor stream. The cryopump is driven by a transmission that is in turn driven by a hydraulic fluid. The hydraulic fluid flows within a hydraulic fluid circuit hav... | 01/03/2006 |
| 6824364 | Master/slave pump assembly employing diaphragm pump A master/slave pump assembly employs a dual diaphragm pump as the master pump. An abrasive fluid, such as a resin containing abrasive particles, can be pumped by the dual diaphragm pump without the damage that would result from exposure of seals to the abrasive flui... | 11/30/2004 |
| 4730990 | Pulse combustion engine and heat transfer system A pulse combustion powered apparatus is disclosed for temperature conditioning and pressurizing fluids. The alternating periods of positive and negative pressure of the combustion gases of a pulse combustion burner drive a reciprocating compressor and the... | 03/15/1988 |
| 4693227 | Multi-fuel injection system for an internal combustion engine A multi-fuel injection system for an internal combustion engine having first and second fuel injection pumps for delivering first and second fuels, respectively, wherein a fuel injection nozzle has two fuel inlet passages. The first pump has a plurality o... | 09/15/1987 |
| 4590904 | Fuel injection apparatus A fuel injection apparatus having pre-injection and main injection and associated with Diesel engines is disclosed. A high-pressure injection pump delivers a main injection quantity to a main injection nozzle, and a hydraulic pre-injection auxiliary pump ... | 05/27/1986 |
| 4569640 | Device for high pressure compression A screw compressor discharges a fluid including a mixture of highly compressed gas and liquid into a separator reservoir, and a hydraulic motor is driven by at least a portion of the fluid. An injection conduit connects the bottom of the reservoir to a li... | 02/11/1986 |
| 4067665 | Turbine booster pump system An improved pump system includes a booster turbine unit including a turbine mounted on the same shaft as the booster pump and utilizing a primary pump as the primary fluid power source. Various forms of turbine and booster pump may be used such that eithe... | 01/10/1978 |
| 3930756 | Metering pulse pump A metering pulse pump for metering an additive liquid into a liquid carrier under high pressure. A high-pressure, rapidly reciprocating piston pump is provided at its outlet end with a pressure-relief valve including a spring pressure control permitting t... | 01/06/1976 |
