Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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 |
| 8083499 | Regenerative hydraulic lift system A hydraulic cylinder assembly for a fluid pump including a cylinder, a bearing attached to an approximate first end of the cylinder, a rod slideably mounted within the bearing, and a piston located about an end of the rod in the cylinder opposite the bearing. A cent... | 12/27/2011 |
| 8057197 | Transparent valve body for dense phase pump A dense phase powder pump includes a valve body that houses one or more pinch valve elements. The valve body comprises a sufficiently transparent material to allow an operator to visually observe operation of the pinch valves. ... | 11/15/2011 |
| 8011901 | Discharge pressure actuated pump A pump has a pump barrel formed from a larger diameter section and a smaller diameter section. Each section has a biased piston moveable within the section and the pistons are connected together to form a variable volume chamber between the pistons. As the connected... | 09/06/2011 |
| 7530799 | Long-stroke deep-well pumping unit Methods and apparatus for driving a positive displacement pump disposed within a wellbore are disclosed herein. Embodiments of the present invention provide a drive mechanism for driving the downhole positive displacement pump. In embodiments of the present inventio... | 05/12/2009 |
| 7381035 | Piston pump with check shaft A pump for use with a dispensing unit of a liquid hot melt adhesive system, dispensing units including the pump, and a method of operating a pump for pumping a liquid like liquid hot melt adhesive. The pump has a piston movable within a pumping chamber for transferr... | 06/03/2008 |
| 7354252 | Pressure intensifier A pressure intensifier for fluids has an intensifier piston with a high-pressure piston and a low-pressure piston having a greater diameter than the high-pressure piston. The pistons are moveable in a high-pressure cylinder and a low-pressure cylinder, respectively,... | 04/08/2008 |
| 7311502 | Method for using a hydraulic amplifier pump in ultrahigh pressure liquid chromatography A method for supplying solvent to an ultra-high pressure liquid chromatography system using a hydraulic amplifier. The hydraulic amplifier system includes a hydraulic cylinder comprising a primary piston chamber in which a primary piston is disposed and a secondary ... | 12/25/2007 |
| 7285212 | Method and apparatus for treatment of wastewater employing membrane bioreactors Methods and apparatus employing membrane filtration in biodegradation processes for treatment of wastewater are described. A bioreactor system is described having an equalization system, a membrane bioreactor system, and a controller. Aeration systems for a membrane... | 10/23/2007 |
| 7276052 | Medical aspirator A medical aspirator including an aspiration port, a reciprocating type electric pump for performing vacuum aspiration, a ventilation path which connects the aspiration port and the electric pump, an exhaust port, and an atmospheric pressure obtaining release valve f... | 10/02/2007 |
| 7243721 | Methods and apparatus for heating oil production reservoirs Methods and apparatus employing inert gases injected into the lower level of sloping underground oil-bearing formations as a driving mechanism and water injected into the upper level of the formations as a gas blocking mechanism for increasing and extending the prod... | 07/17/2007 |
| 7241080 | Pump for transferring particulate material A pump for transferring particulate material from a source to a remote location, including a particulate chamber having open ends, check valves at the open ends, a vacuum source connected to the chamber adjacent one end, a gas source at the opposed end of the chambe... | 07/10/2007 |
| 7232524 | Methods and apparatus for increasing and extending oil production from underground formations nearly depleted of natural gas drive Methods and apparatus employing inert gases injected into the lower level of sloping underground oil-bearing formations as a driving mechanism and water injected into the upper level of the formations as a gas blocking mechanism for increasing and extending the prod... | 06/19/2007 |
| 7204679 | Flow control system A flow control system includes a substantially rigid vessel with a process fluid reservoir situated in the rigid vessel is in fluid communication with an outlet. A movable member and/or a working fluid is situated in the rigid vessel so as to selectively expel proce... | 04/17/2007 |
| 7204264 | High pressure capillary micro-fluidic valve device and a method of fabricating same A freeze-thaw valve and a method of micro-machining the freeze-thaw valve is provided and includes a valve housing, wherein the valve housing defines a housing cavity and includes a housing inlet, a housing vent, a capillary tubing inlet and a capillary tubing outle... | 04/17/2007 |
| 7198474 | Pump having shape memory actuator and fuel cell system including the same A pump having a linearly movable shaft, a rotatable hub operably connected to the shaft, and shape memory actuator operably connected to the rotatable hub, and a fuel cell system including the same. ... | 04/03/2007 |
| 7177151 | Cooling devices and systems Methods, systems, and devices are provided for cooling a heat source. One apparatus embodiment includes a housing, a fluid conduit, a pump within the housing and in communication with the fluid conduit for conveying fluid through the fluid conduit, and a turbine in ... | 02/13/2007 |
| 7163359 | Device for conveying powder and method for operating the same Transport system with several devices (1) for transporting powder, where each device (1) has a transfer chamber (3) into which a supply line (6) and a discharge line (8) for the powder open, and means to generate a negative pressur... | 01/16/2007 |
| 7144502 | Chromatography system with gradient storage and method for operating the same In accordance with one aspect of the present invention, an ultra-high pressure chromatography system (UHPLC) is provided and includes a high pressure chromatography arrangement of equipment (HPLC system) as well as a UHPLC module for converting the HPLC system into ... | 12/05/2006 |
| 7134849 | Molded disposable pneumatic pump A mechanical pump having a unitary construction such that the fluid being pumped is prevented from leaking without requiring the use of discrete seal elements. The absence of discrete seal elements and integral coupling of various components of the pump substantiall... | 11/14/2006 |
| 7134499 | Rotary and reciprocal well pump system A well pumping system has a downhole rotary pump that drives a downhole reciprocating pump. The reciprocating pump is an intensifier, having a primary piston and a secondary piston of lesser diameter. A sequencing valve connects between the discharge of the rotary p... | 11/14/2006 |
| 7114929 | Reciprocating pump and check valve In a reciprocating pump, drive power of a drive-power supply member is transmitted to a diaphragm within a diaphragm drive chamber via operating fluid. An operating-fluid-flow regulation chamber for regulating the flow of operating fluid is located between the drive... | 10/03/2006 |
| 7083398 | Vibrating pumping stage for molecular vacuum pumps, and molecular vacuum pump with vibrating pumping stages A micro-electro-mechanical vibrating pumping stage comprises a silicon substrate (15) on which there are formed a single-layer or multilayer oscillating assembly (27; 127; 227; 327) with a vibrating membrane and a device controlling the membrane in ord... | 08/01/2006 |
| 7036335 | Pneumatically actuated multi-way valve and refrigerating machine with multi-way valve A multi-way valve, in particular for use in the refrigerant circuit of a refrigeration unit, includes a housing with several inlets and outlets and a chamber with several seats that are respectively allocated to one inlet or outlet. A closing member is allocated to ... | 05/02/2006 |
| 7013989 | Acoustical telemetry Method, apparatus and article of manufacture for monitoring and characterizing the operation of a transducer (i.e., motor or pump) downhole. In particular, transducer RPMs are determined by analysis of acoustic information. An acoustical source (signal generator) lo... | 03/21/2006 |
| 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 |
| 6957950 | Compressor with compact screw connected housing and adjustable mounting means According to the invention, a compressor having a threaded screw connection portion formed directly on a fitting portion of the housing is provided. Since no through bolt or the like for connecting two-parts of the housing is used, the diameter of the housing can be... | 10/25/2005 |
| 6948920 | Toilet bowl and tank drainage device A hand held an portable pump has a housing with an inlet on the bottom and an outlet on its side. A central tube extends up from the housing and has a bulb attached at its end. An inlet gate is positioned proximate the inlet to operate between a closed position in w... | 09/27/2005 |
| 6929454 | Thick matter pump In a thick matter pump, especially for delivering concrete, comprising two delivery cylinders, it is known to provide two position sensors in one of the two cylinders for control of the pistons. However, leakage of hydraulic fluid can lead to an imbalance of the two... | 08/16/2005 |
| 6846166 | Reciprocating diaphragm pump with degassing valves In a reciprocating pump, drive power of a drive-power supply member is transmitted to a diaphragm within a diaphragm drive chamber via operating fluid. An operating-fluid-flow regulation chamber for regulating the flow of operating fluid is located between the drive... | 01/25/2005 |
| 6841076 | Method and device for desalting water The invention concerns a method for desalting water by reverse osmosis, in particular for desalting sea water, whereby salt water at a first pressure level is introduced into a pressure compensating device, and is conveyed from the pressure-compensating device at a ... | 01/11/2005 |
| 6712587 | Hydraulic amplifier pump for use in ultrahigh pressure liquid chromatography A hydraulic amplifier system for an ultra-high pressure liquid chromatography system. The hydraulic amplifier system includes a hydraulic cylinder comprising a primary piston chamber in which a primary piston is disposed and a secondary piston chamber in which a sec... | 03/30/2004 |
| 6699019 | Reciprocating windmill pumping system A system for pumping water from a well (32) drilled into an underground water source (44) that is operable in association with the windmill (10) having a tower frame (14), a wind driven turbine (12), and a reciprocating pump shaft (16) operably connected ... | 03/02/2004 |
| 6672841 | Pumping and metering device The present invention relates to a pumping device for delivering and metering fluids, in particular medical fluids such as dialysis fluids, with a piston unit having a driving device and a piston and with a membrane unit which has a membrane and a first c... | 01/06/2004 |
| 6644937 | Water powered pumping system with fluid link A water powered pumping system includes a leverage connected to a water source and moving upward and downward by using a water weight to produce a lever movement, a hydraulic pump pushed by the leverage to move reciprocally, and a water pump pushed by the... | 11/11/2003 |
| 6619930 | Method and apparatus for pressurizing gas A system and method for compressing gas uses a hydraulic pump and a hydraulic accumulator to compress gases in gaseous form. The accumulator is divided into a hydraulic chamber and a pneumatic chamber. The pneumatic chamber of the accumulator can be pneum... | 09/16/2003 |
| 6554582 | High pressure pump with improved hub A pump has a main unit (18) for pumping a transferred liquid which is actuated by an secondary unit (20) which pumps a working liquid. The secondary unit (20) has a hub (64) which is rotably mounted in a housing (16). The hub has a cylindrical guiding sur... | 04/29/2003 |
| 6551076 | Fuel/hydraulic engine system An engine type apparatus converts the energy released by the internal combustion of a hydrocarbon fuel directly into high pressure. A power cylinder is physically located opposite one of a gas or liquid work cylinder. The power piston is coupled directly ... | 04/22/2003 |
| 6322333 | Device for enhancing fluid flow A device for enhancing fluid flow in a well, which includes a housing, a first chamber, and a shaft bored surface interconnecting the first and a second chamber, a rotor rotatably mounted within the first chamber and connected to the shaft, a pump impelle... | 11/27/2001 |
| 6264437 | High pressure pump for all liquids A device enables the pumping of any kind of liquid while giving the liquid very high delivery pressure. The units that cause pumped liquid suction and then its delivery are driven exclusively by hydraulic means excluding mechanical means. So that there is... | 07/24/2001 |
| 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 |
