1
Chang H Lee, Young J Kim: Automatic mixing faucet. Pasquale A Razzano, December 24, 1991: US05074520 (89 worldwide citation)

An automatic faucet is disclosed which includes a faucet body having a water discharge end and sensors mounted on the faucet for sensing the presence or absence of an object adjacent the faucet. A water supply valve is located in the faucet body which includes a diaphragm type primary valve to contr ...


2
John Forrest: Composite stator construction for downhole drilling motors. Drilex Systems, Edgar A Zarins, Malcolm L Sutherland, December 15, 1992: US05171138 (52 worldwide citation)

A composite stator construction for a downhole drilling motor which provides improved sealing and distortion properties. The elastomer which maintains the sealing/pumping action of the motor is applied in a uniform thickness to a rigid metallic form. In the stator, the rigid former has the basic con ...


3
Darrell L Sims, Kirk R Shirley: Progressive cavity drive train. A Z International Tool Company, Vinson & Elkins, March 21, 1978: US04080115 (51 worldwide citation)

An improved drive train for a progressive cavity device is disclosed. The progressive cavity device has a rotor, a stator, means for fluid to enter between said stator and rotor, and means for fluid to exit therefrom. The rotor is adapted to roll with respect to the stator. The improved drive train ...


4
Gunnar L Hansen, Hans C Petersen: Hydraulic machine having teeth formed by rollers. Danfoss, Lee Mann Smith McWilliams Sweeney & Ohlson, January 21, 1997: US05595479 (49 worldwide citation)

A hydraulic machine is disclosed, having an annular gear with internal teeth and a gearwheel with external teeth mounted eccentrically therein, the internal teeth comprising one more tooth than the external teeth and the teeth of at least one set of teeth being formed by rotatably mounted rollers. I ...


5
Donald A Uhl, Adolph DeMarco: System and process for recovering energy from a compressed gas. Knoble Yoshida & Dunleavy, November 15, 2005: US06964165 (48 worldwide citation)

A process for extracting energy from a compressed gas includes of submerging a piston-cylinder assembly to a first, lower position, holding the assembly in the lower position while introducing a predetermined amount of compressed gas into the assembly, and then releasing the assembly. Pontoons are p ...


6
Richard D Bottos, Lance D Underwood: Internally profiled stator tube. Halliburton Energy Services, Conley Rose & Tayon P C, October 30, 2001: US06309195 (48 worldwide citation)

A thick walled Moineau-style stator and method of manufacture are disclosed. The outer profile of the stator follows the inner helical profile of the stator. The application of an elastomeric layer to the inner profile of the stator results in a constant thickness for the elastomeric layer and proxi ...


7
Dean A Hopkins Jr: Electrochemical actuator and method of making same. Richard D Clarke, September 30, 1997: US05671905 (48 worldwide citation)

A new and improved electrochemical actuator and method of using it enables a reversible electrochemical generation of gases for inducing a phase/volume change that can produce high actuation forces, long actuation distances, and remain at the last pressure level attained by current flow even after t ...


8
Charles B Carroll: Frequency multiplying piezoelectric generators. Ocean Power Technologies, Michael Y Epsten Esq, Henry I Schanzer Esq, September 29, 1998: US05814921 (44 worldwide citation)

Piezoelectric electrical generators comprise cantilevered beams of piezoelectric material, cross sections of the beams preferably being triangular and of increasing area from free end to fixed end. Arrays of spaced apart beams are disposed in overlapping, interdigitated relationships with arrays of ...


9
Katsumi Hirooka, Takahisa Hirano, Tetsuo Ono, Ryuhei Tanigaki: Scroll type compressor. Mitsubishi Jukogyo Kabushiki Kaisha, McAulay Fisher Nissen Goldberg & Kiel, December 24, 1991: US05074760 (44 worldwide citation)

A rotary compressor is disclosed which is equipped with a bypass hole for bypassing a fluid under compression to the intake side and the capacity thereof is controlled through opening and closing of the bypass hole with a piston which is operated via a control valve, whereby the bypass hole is opene ...


10
Hugh Peter Granville Kelly: Apparatus for protecting a wave energy converter. Hugh Peter Granville Kelly, Michael A Glenn, Glenn Patent Group, November 11, 2003: US06644027 (42 worldwide citation)

Apparatus for converting the motion of sea waves to electrical energy comprises at least one vertically oriented linear generator, relatively reciprocating motion of the armature and stator of which is driven by a float immersed in the sea directly below the motor armature. To protect the generator ...



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