U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6125480

Vehicle mounted toilet seat

An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.

Newsletter  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.

 

Class 417/88 - Diverse pump motor exhaust is jet motive fluid


Subclass of Class 417 - Pumps
Definition: Apparatus in which the diverse pump is driven by an internal
No. of patents: 18
Last issue date: 11/22/2011


NumberTitleIssue Date
8062002Vacuum unit for steam sterilizer
In a vacuum unit for use in drawing a vacuum on a steam sterilizer, a pump circulates water through an ejector and a reservoir. Fresh water is injected at the pump inlet to maintain a low temperature in the ejector so that it can operate efficiently. Excess water is...
11/22/2011
7874811Suction jet pump
A suction jet pump with a propulsion jet nozzle, a mixing tube, a suction port and a suction line attached thereto, wherein at least part of the mixing tube is arranged in a pot. The suction jet pump is used to supply fuel in a fuel container or from a fuel containe...
01/25/2011
7165948Ejector
A nozzle (41) is made of a sintered metal, and a pressure increasing portion (a mixing portion (42) and a diffuser (43)) is manufactured by plastic-forming a metal pipe. Accordingly, the nozzle (41) can be manufactured in a short time whi...
01/23/2007
7118336Pressurized oil supply for propeller engine system
A system and method for providing pressurised oil during non-feathered in-flight shutdown conditions in a variable-pitch aircraft propeller engine. A secondary pump provides pressurised oil substantially independent of an engine main oil circuit. ...
10/10/2006
6948917Valving system for a downhole hydraulically actuated pump
An engine for actuating a hydraulic downhole pump having a piston vertically reciprocated in a cylinder includes a reversing valve carried with the power piston and serving, when in a first position, to direct fluid flow to force the piston upwardly and in a second ...
09/27/2005
6877961Vane pump with a bypass valve and passage arrangement for equalizing excess fluid flow through dual suction passages
In a housing of a pump apparatus having a flow control valve to discharge a part of excess fluid in a deviated slanting way to a bypass pass 11, a pair of suction paths 19, 19′ is formed opposite to end portions 119, 119′ of the bypass path ...
04/12/2005
6857859Gasket for jet pump assembly of a fuel supply unit
A fuel supply unit 10 includes a fuel reservoir 22 for holding fuel, a fuel pump 18 within the reservoir for pumping fuel from the reservoir, a jet pump assembly 16 within the reservoir for drawing fuel from a fuel tank into the reservoir...
02/22/2005
6511307Method for producing a vacuum by a pumping-ejection system
A method for producing a vacuum, which includes feeding an ejecting vaporous medium into the gas ejector, evacuating an ejected gaseous medium by the ejecting vaporous medium, mixing of the vaporous and gaseous mediums and forming a mixture of the two, ev...
01/28/2003
6488476Fuel feed unit
In a fuel feed unit (3) for a motor vehicle, a suction jet pump (6) provided for filling a baffle (2) of a fuel tank (1) is manufactured in one piece with a holding part (4) for a fuel pump (5). The holding part (4) is of pot-shaped design for receiving t...
12/03/2002
6354807Method for generating vacuum and pumping-ejection apparatus for realizing the same
A method for producing a vacuum, which includes feeding an ejecting vaporous medium into the gas ejector, evacuating an ejected gaseous medium by the ejecting vaporous medium, mixing of the vaporous and gaseous mediums and forming a mixture of the two, ev...
03/12/2002
6330915Protection of downwell pumps from sand entrained in pumped fluids
A system for separating particulates from a liquid prior to pumping of the liquid. The system is amenable to use, for example, in a wellbore environment for separating sand or other particulate matter from a production fluid. The system uses a sand separa...
12/18/2001
6244827Pumping-ejection apparatus
The present invention pertains to the field of jet technology and essentially relates to a pumping-ejection apparatus including a vacuum-producing device. Further, the apparatus is equipped with a condenser, a jet pump and an additional vacuum-producing d...
06/12/2001
5458467Jet pump and method of operation thereof
A pump (10) for providing water from a source to a remote location includes a casing (11) which receives the water through an inlet port (22) which is provided to the remote location through a discharge port (20). An impeller (30) in the casing (11) is ro...
10/17/1995
4292011Turbo pump gas compressor
An improved power fluid driven turbo pump is provided for pumping oil wells of the type having, from time-to-time, significant quantities of gas included in the oil so that wide variations in the density of the medium to be pumped may be expected to be en...
09/29/1981
4202656Downhole hydraulically actuated pump with jet boost
A subsurface hydraulically powered pump assembly having a reciprocating pump end, a reciprocating engine end, a valve assembly for controlling the flow of power fluid to and from the engine, and a jet-type pump incorporated therewith which utilizes either...
05/13/1980
4091613Independent power generator
A gas turbine powered aircraft auxiliary power system capable of efficiently supplying all aircraft auxiliary services both in flight and on the ground and further capable of operating independently of the aircraft main engines. The system employs multipl...
05/30/1978
4086030Free fluid-operated well turbopump
A fluid-operated turbopump, suitable for installation in the bottom hole tubing of an oil well, is structurally adapted as a hydraulically insertable and removable unit. The turbopump has axially spaced rotary driving and driven impellers operable for ove...
04/25/1978
4003678Fluid operated well turbopump
A fluid operated turbopump, suitable for use in an oil well pumping system, is structurally adapted as either a hydraulically insertable and removable unit or as a permanent attachment to a bottom hole tubing. The turbopump has axially spaced rotary drivi...
01/18/1977
 
Sign InRegister
Username  
Password   
forgot password?