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

Icon_funbox Bizarre Patents

Patent No. 6099319

Neuroimaging as a Marketing Tool

Neuroimaging as a means for validating whether a stimulus such as advertisement, communication, or product evokes a certain mental response such as emotion, preference, or memory, or to predict the consequences of the stimulus on later behavior such as consumption or purchasing.

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 417/498 - Longitudinally spaced inlet and discharge sidewall ports


Subclass of Class 417 - Pumps
Definition: Apparatus comprising one port for providing inlet of pump
No. of patents: 30
Last issue date: 10/10/2006


NumberTitleIssue Date
7117910Air supply device, wheel, and tire unit
An air supply device is provided on a rotating body having an air filling portion into which air is filled. The air supply device has a device body provided with a cylinder, and a piston mounted movably in the cylinder, the device body being joined at the middle of ...
10/10/2006
7086473Submersible pumping system with sealing device
A submersible pumping system includes a pump assembly that is connected to a motor assembly. The pump assembly includes a pump intake having an intake hole, a pump housing connected to the pump intake and a pump discharge head connected to the pump housing. An intak...
08/08/2006
6719542Pump for printing press
A pump for a printing press includes a plunger within a cylinder to be rotatable and reciprocatable and having a cutaway portion at its distal end, and a constant-speed motor for rotating and reciprocating the plunger. The plunger and the output shaft of the motor a...
04/13/2004
6354820Pump
For the purpose of providing a thin pump designed to decrease the number of parts, the pump is provided with a rectangular parallelepiped cylinder (3) and a piston located inside of the cylinder, wherein the piston (4) reciprocates and oscillates in the c...
03/12/2002
6179574Apparatus for pressurizing fluids and using them to perform work
A fluid transfer apparatus utilizing a slanted cain disk to oscillate and rotate a set of pistons arranged in a circle. Channels associated with the pistons and piston housing effect the transfer of fluid from a first location to a second location, as wel...
01/30/2001
6004117Displacement pump
An improved displacement pump is provided with flow path means preventing hysteresis-causing bubbles from accumulating in piston clearances....
12/21/1999
5741126Valveless metering pump with crisscrossed passage ways in the piston
A valveless positive displacement pump with a closed end cylinder has fluid inlet and outlet ports adjacent to the closed end. A piston is reciprocally and rotatively driven in the cylinder. The piston is provided with crisscrossed helical slots formed th...
04/21/1998
5613839Variable rate pump
A variable rate pump including a distributor member rotatable within a sleeve. The distributor member is provided with a bore within which a pumping plunger is reciprocable under the influence of a first cam lobe and a second cam lobe. A valve is provided...
03/25/1997
5356114Traveling valve for sucker rod pump
The present invention provides a mechanically operated traveling valve for use in a sucker rod pump. The valve includes a cylindrical housing, a base positioned in the bottom of said housing which contains a first portion of a sliding shear seal, and a pi...
10/18/1994
5136931Rotary type fluid energy convertor
A rotary-type fluid energy convertor comprises a pair of cylindrical body members, a pintle inserted into the cylindrical body members and having a cylindrical central portion between the body members, a cylinder barrel mounted on an outer periphery surfa...
08/11/1992
5067881Plunger-operated hydraulic pump
In a plunger-operated hydraulic pump, a cylinder has an ejection port extending from its upper end portion with an ejection valve provided at the ejection port. A piston and a plunger fitted in the cylinder are urged towards an eccentric cam by a first re...
11/26/1991
5058779Positive displacement piston metering pump
A pneumatically operated metering pump having in a single cylinder, a driven piston and a slave piston that operates as a sliding valve for admitting fluid into the pump and drawing it into the cylinder between the two pistons so the next downward stroke ...
10/22/1991
5024587Valveless pump
The present invention pertains to a pump, in which two pistons moving in the same direction in a common cylinder bore are provided to generate the suction intake and pressure, discharge effects as well as for control. Both pistons are held by fastening me...
06/18/1991
4975030Fuel injection pump for internal combustion engines
A fuel injection pump for internal combustion engines comprising a pump plunger displaceable in a pump cylinder for delivering fuel to a plurality of injection locations, and elements for controlling fuel injection quantity. The controlling elements inclu...
12/04/1990
4834218Lubricating nozzle apparatus and method
A lubricating device and method in which a lubricant shot is generated by a supply of lubricant and air, the later being activated before, during and following the dispersing of the lubricant shot. The air supply travels two paths; on leads to a piston ch...
05/30/1989
4834032Two-stroke cycle engine and pump having three-stroke cycle effect
A multi-cylinder gas engine featuring a unique method of gas fuel intake and cylinder exhaust gas scavenging and recharging. It is a three cylinder opposed piston two-stroke cycle engine combined with a three cylinder opposed piston, sequentially ported, ...
05/30/1989
4770081Servomechanism with idle gear feedback
A servomechnism made up of a relatively small number of components has a pintle that is moved back and forth by a hydraulic actuator, an input member disposed opposite to the pintle and capable of reciprocating parallel with the pintle, a spool capable of...
09/13/1988
4674659Universal sequential dispensing pump system
A dispensing pump includes an outer cylinder and an inner piston which cooperate in defining a pump chamber. The cylinder includes an inlet port and an outlet port which are sequentially opened and closed by the piston. In addition, a vent for the contain...
06/23/1987
4632647Side entry down hole pump for oil wells
A side entry down-hole pump for oil wells which relies upon gravity rather than suction to receive incoming oil. A pump barrel is plugged at its bottom end and is anchored in the well. A pair of inlet slots in the side of the pump barrel admit oil to a pu...
12/30/1986
4619593Apparatus comprising a turbine and associated water extractor and method of translating the potential energy of deep sea water into useful work
This disclosure is directed to a method and combined apparatus for converting or translating the immense potential energy of the deep sea water into useful work by providing a jointly enclosed environment in a column or mass of a fluid in which a containe...
10/28/1986
4560327Porting and ducting arrangement
A porting and ducting arrangement for a pair of adjacent hollow cylinders includes respective pluralities of passages extending longitudinally in the walls of the cylinders. Each passage is provided with a port in communication with the interior of the as...
12/24/1985
4541789Fuel injection pump for internal combustion engines
A fuel injection pump for supplying fuel to the cylinders of the internal combustion engine comprises a housing, a cylindrical sleeve inserted in the housing and provided with a single filling opening communicated with a fuel-feeding passage, and a piston...
09/17/1985
4493440Wall-mounted soap dispenser
A wall mounted soap dispenser made of plastic is described. The dispenser includes a hand-operated pump which dispenses liquid soap under pressure and which can be manufactured inexpensively. A disposable container of liquid soap is inserted in the dispen...
01/15/1985
4484866Piston pump
A piston pump includes a cylinder with a bore receiving the piston. The piston forms a central passage leading to a variable volume chamber and a check valve is disposed in the central passage. In addition, the cylinder includes a pair of ports which sele...
11/27/1984
4416596Fluid-transfer system and method
A fluid-transfer system has two pistons movable within a barrel so that the ends of the piston faces can move together or apart, the barrel having at least two openings therein for transfer of fluid into and out of said barrel. The pistons can be controll...
11/22/1983
4315582Universal sequential dispensing pump system free of external check valves and having venting capability
A pump system having two moving parts consisting of a cylinder with a piston therein defining a pump chamber. An inlet part communicates with a dip tube which extends into a container and permits the product in the container to pass into the pump chamber....
02/16/1982
4259040Fuel injection pump for air-compressing fuel-injected internal combustion engine
A fuel injection pump for an air-compressing fuel-injected internal combustion engine which includes a first pump piston arranged in each pump cylinder for regulating a fuel control bore of a pump working chamber. A control element cooperable with the pum...
03/31/1981
4178141Fuel injection pump for air-compressing injection internal combustion engines
A fuel injection pump for compressed air injected internal combustion engines with a pump piston and with a control slide valve member coaxially arranged to each other in a given pump cylinder, of which the pump piston controls a fuel control bore in the ...
12/11/1979
4165824Self cleaning shampoo dispenser
This invention is a manually operated liquid dispenser designed in particular to dispense heavy soaps like hair washing shampoo. The dispensers which are presently available on the market are unsuitable for these reasons, (a) too expensive to manufacture,...
08/28/1979
3938425Pump stroke adjustment device
A piston type fluid pump structure providing a selective variable operating fluid displacement, and including a piston having an operable travel, within a cooperable cylinder bore, through a pump stroke which may be of fixed length, a fluid supply port be...
02/17/1976
 
Sign InRegister
Username  
Password   
forgot password?