Did You Know...
...that the video game, Pong, was invented by a guy who graduated at the bottom of his engineering class? Nolan Bushnell spent more time running the games at a local amusement park than he did on his studies at the University of Utah. His dreams of working for Disney's amusement empire were dashed when the company wouldn't hire him. Taking a boring job, Nolan daydreamed about electronic versions of popular games. He invented Pong, the first video game, and went on to found Atari Co.
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| Number | Title | Issue Date |
| 8186972 | Multi-stage expansible chamber pneumatic system A multi-stage expansible chamber pump system includes a HP pump unit, and first and second LP pump units. The LP units each include a LP air chamber and a pumped fluid chamber, separated by a piston. The HP unit includes left and right HP air chambers separated by a... | 05/29/2012 |
| 7980834 | Liquid color injection pressure booster pump and pumping methods A pump for boosting pressure of liquid color for injection into plastic resin in molding or extrusion apparatus includes a housing having a first bore extending in a first direction and second and third bores extending through the housing and communicating with the ... | 07/19/2011 |
| 7431572 | Hydraulic oil well pumping installation A hydraulic oil well pumping installation includes a down hole pump positioned down a well, the down hole pump including a master cylinder and at least one slave cylinder in axial alignment with the master cylinder. A master piston is positioned in the master cylind... | 10/07/2008 |
| 7322802 | Thick matter pump comprising a conveyance capacity control system A thick matter pump comprising a drive motor (50), a (reversible) hydraulic pump (6), and two hydraulic cylinders (5, 5′) coupled to conveyor cylinders (7, 7′) for conveying the thick matter. A regulator regulates the rotational speed... | 01/29/2008 |
| 7291565 | Method and system for treating a substrate with a high pressure fluid using fluorosilicic acid A method and system is described for treating a substrate with a high pressure fluid, such as carbon dioxide in a supercritical state. A process chemistry is introduced to the high pressure fluid for treating the substrate surface. The process chemistry comprises fl... | 11/06/2007 |
| 7284961 | Pumping system, replacement kit including piston and/or cylinder, and method for pumping system maintenance A pumping system including a pump is disclosed. The pump includes a replacement piston and a replacement cylinder associated with the replacement piston. The replacement piston has a cross sectional area smaller than a cross sectional area of an original piston of t... | 10/23/2007 |
| 7255772 | High pressure processing chamber for semiconductor substrate A high pressure chamber comprises a chamber housing, a platen, and a mechanical drive mechanism. The chamber housing comprises a first sealing surface. The platen comprises a region for holding the semiconductor substrate and a second sealing surface. The mechanical... | 08/14/2007 |
| 7250374 | System and method for processing a substrate using supercritical carbon dioxide processing A method and system for processing a substrate in a film removal system. The method includes providing the substrate in a substrate chamber of a film removal system, where the substrate has a micro-feature containing a dielectric film on a sidewall of the micro-feat... | 07/31/2007 |
| 7147442 | Automatic oil pump, with a valved pumping piston and a valved driving piston unit An automatic oil pump includes a drive chamber, having a reciprocal driving device, and an oil chamber, having a sucking device, located on two sides of a main body. The reciprocal driving device has a piston unit having a valve chamber at its center and a balance v... | 12/12/2006 |
| 7140393 | Non-contact shuttle valve for flow diversion in high pressure systems A valve for redirecting flow in a supercritical fluid or other high pressure processing system is disclosed. In high pressure supercritical carbon dioxide (SCCO2) equipment for semiconductor wafer processing, a major hurtle in providing clean equipment and clean waf... | 11/28/2006 |
| 7114558 | Filtered actuator port for hydraulically actuated downhole tools Methods of using and making and apparatuses utilizing a filtered actuator port for hydraulically actuated down hole tools. The filtered port prevents sand or other debris from entering the actuator workings of a tool. In accordance with one aspect of the invention, ... | 10/03/2006 |
| 7060422 | Method of supercritical processing of a workpiece An apparatus for supercritical processing and non-supercritical processing of a workpiece comprises a transfer module, a supercritical processing module, a non-supercritical processing module, and a robot. The transfer module includes an entrance. The supercritical ... | 06/13/2006 |
| 7029249 | Electronic micro-pump A micropump provided with a cylindrical body (1) containing a measuring chamber (10) defined by a piston (2) and communicating firstly with a tank via an inlet orifice (10a) provided with an inlet valve, and secondly with the outsi... | 04/18/2006 |
| 7004357 | Grease gun An apparatus converts rotary motion of a motor drive shaft into oscillatory motion of a work piece, for example, in a power tool. The apparatus comprises a planetary gear assembly connected to the motor for rotating an output gear. The output gear meshes with a driv... | 02/28/2006 |
| 7001157 | Well pumping unit driven by linear motor The present invention relates to a well pumping unit driven by a linear motor. The well pumping unit includes a slideway support, a linear motor having a motor complex primary and a motor complex secondary, a polished rod chain, a polished rod chain wheel assembly, ... | 02/21/2006 |
| 6966366 | Plunger enhanced chamber lift for well installations The present invention is addressed to a method of retro-fitting a well installation to reconfigure it to provide plunger enhanced chamber lift. The method comprises the steps of providing a reel-carried supply of coil tubing, a primary seating nipple assembly, a pri... | 11/22/2005 |
| 6926012 | Method for supercritical processing of multiple workpieces An apparatus for supercritical processing of multiple workpieces comprises a transfer module, first and second supercritical processing modules, and a robot. The transfer module includes an entrance. The first and second supercritical processing modules are coupled ... | 08/09/2005 |
| 6921456 | High pressure processing chamber for semiconductor substrate A high pressure chamber comprises a chamber housing, a platen, and a mechanical drive mechanism. The chamber housing comprises a first sealing surface. The platen comprises a region for holding the semiconductor substrate and a second sealing surface. The mechanical... | 07/26/2005 |
| 6874997 | Pump system using a control fluid to drive a switching valve mechanism for an actuating fluid There is provided a pump system excellent in a maintenance ability and compatibility. The pump system comprises a pump (1) for transferring a liquid by alternately supplying air to air chambers (17a, 17b) to extend and contract a p... | 04/05/2005 |
| 6821096 | Multiple component metering and dispensing system A plural component pumping apparatus including a piston and cylinder for each component to be pumped. Reciprocation of the piston in the cylinder draws the component into the cylinder during an intake stroke of the pumping apparatus and exhausts the material from th... | 11/23/2004 |
| 6663360 | Fluid injection pump with internal air actuator valve A injection pump includes a needle valve which is disposed in the pump body cap. An air actuator valve is disposed in the pump piston head. The amount of air fed is controlled by the gap between the needle valve and a needle valve seat which is also locat... | 12/16/2003 |
| 6641375 | Pneumatically operated oil pump A pneumatically operated oil pump comprises an outer tube for extending into an oil tank and a sucking tube moveably arranged within the outer tube. The sucking tube includes one-way valve establishing an airtight arrangement with respect to an inner wall... | 11/04/2003 |
| 6447259 | Pressure energy recovery device An energy recovery device includes at least one cylinder, a piston slidable in the cylinder, a first valve for selectively connecting one end of the cylinder to waste liquid at a first relatively high pressure and to drain and a second valve for allowing ... | 09/10/2002 |
| 6435843 | Reciprocating pump for feeding viscous liquid Two cylindrical pump cylinders are mounted end-to-end. A first piston is placed in the first cylinder, a second piston is placed in the second cylinder, and the pistons are interconnected. In one embodiment compressed air alternately drives the first pist... | 08/20/2002 |
| 6409482 | Double-force type pressure cylinder structure A double-force type pressure cylinder structure includes a gas cylinder secured on a pressurizing cylinder base, and a top cap secured on the gas cylinder. The pressurizing cylinder base has a liquid inlet port forming a first check valve, a liquid outlet... | 06/25/2002 |
| 6364633 | Internally ported hydraulically actuated down-hole pump A hydraulically actuated down-hole pump formed as a vertically elongated tubular structure having an engine outer tube that receives a reduced external diameter engine cylinder providing an annular power fluid passageway there between with an engine pisto... | 04/02/2002 |
| 6328542 | Check valve system A check valve system and method control the opening and closure of a check valve that supplies product fluid to an intensifier pump based on the position of a piston within the intensifier pump. Position sensing allows anticipation of different events alo... | 12/11/2001 |
| 6270323 | Hydraulic power conversion device A hydraulic power conversion device includes a main oil container, a pair of hydraulic pumps, a motor, a twin-circuitry hydraulic cylinder mechanism including a first hydraulic cylinder, a first piston, a piston rod, a sealer, a second piston, a high pres... | 08/07/2001 |
| 6244836 | Well pump actuated by natural gas A pneumatic pump pumps liquids from natural gas wells. First and second pneumatic rams have first and second pistons housed in first and second cylinders with a lifting beam connecting the first and second pistons above the first and second cylinders and ... | 06/12/2001 |
| 6203696 | Fluid driven pumps and apparatus employing such pumps A reverse osmosis or filtration system uses one or more hydraulic intensifiers (integrated motor and pump) to provide all the high pressure fluid to a semi-permeable membrane or filter, the intensifier being powered by the high pressure flushing flow leav... | 03/20/2001 |
| 6183217 | Pilot control valve for controlling a reciprocating pump A pilot control valve for controlling a reciprocating pump having a valve member shiftable within a valve body between a first or "downstroke" position and a second or "upstroke" position. When the valve member is in its first position, the valve member a... | 02/06/2001 |
| 6152706 | Pneumatic pump and control means therefor A pneumatically operated reciprocating pump and pneumatic control means therefor having in separate chambers a geared air flow control mechanism and a piston/piston rod sub-assembly. The geared air flow control mechanism has two toothed gear members, the ... | 11/28/2000 |
| 6077053 | Piston type gas compressor It is intended to provide a piston type gas compressor capable of replacing a seal ring of a piston with a new one while preventing incorporation of metallic particles into a processing gas. A gas suction port 9 and a gas discharge port 10 are formed in a... | 06/20/2000 |
| 5911564 | Control system for multiple engines The present disclosure is directed to a power plant, and especially two or more such power plants connected together. The power plant especially features a piston connected with a reciprocated but non-rotating piston rod which connects with a pump piston ... | 06/15/1999 |
| 5876189 | Pumped fluid metering device for the precise feeding of a fluid A metering device for the precision feeding of a liquid, such as, for example, an oil lubricant. The device has a fluid supply chamber with a working medium such as oil and which in turn is in open communication with a metering chamber also containing the... | 03/02/1999 |
| 5860795 | Method for underground-reservoir fluids production with pump drive contained within the wellbore The invention is a method for producing reservoir fluids from an underground reservoir through the wellbore. The method includes the steps of intaking the gas phase from the wellbore into the wellbore-contained pump drive, powering the pump drive using th... | 01/19/1999 |
| 5727931 | Pump for electrically conductive coating materials A piston pump, particularly adapted for use in a system for supplying and dispensing electrically conductive coating material, includes a pump housing having an outer wall, opposed first and second ends and a hollow interior separated into a first cavity ... | 03/17/1998 |
| 5554011 | Medical fluid pump powered by a constant source of vacuum A vacuum powered pump includes a spring biased piston or diaphragm in a vacuum chamber coupled to a source of vacuum. When vacuum is applied to the vacuum chamber, the piston or diaphragm is moved in a first direction against the spring. A delayed action ... | 09/10/1996 |
| 5467600 | Naturally circulated thermal cycling system with environmentally powered engine A thermal cycling system comprising an evaporator and a radiator and two separate conduits extending between the evaporator and the radiator to form a closed cycle. The evaporator is arranged to receive thermal energy available around the evaporator and t... | 11/21/1995 |
| 5302090 | Method and apparatus for the utilization of the energy stored in a gas pipeline A method for supplying at different pressures natural gas from a gas field under control of a continuous gas flow and the field pressure thereof and an apparatus for carrying out the method. The gas flow is received directly in and contained in two separa... | 04/12/1994 |
