Featured patents

Cylinder Phaser Valves
US 08850952 B2, Oct. 7, 2014, Through working member, David E. Albrecht, Jr. et al.
A phaser valve for controlling motion of a piston and cylinder assembly,…

Harmonic Engine
US 08807012 B1, Aug. 19, 2014, Axially seating valves, Charles L. Bennett et al. / Lawrence Livermore National Security, LLC (Livermore, US)
An engine comprising:…

Percussion Device
US 08800425 B2, Aug. 12, 2014, With distributor reversal by fluid compressed by working member, Ari Kotala et al. / Sandvik Mining and Construction Oy (Tampere, FI)
A percussion device comprising a body and therein a percussion piston that moves…

Hydraulic Cylinder With Piston Valve Assembly
US 08683910 B1, April 1, 2014, Distributor operated by abutment with cylinder head, Tim Foster / Foster Hydraulics, Inc. (Louisville, US)
A hydraulic cylinder:…

Energy Conversion Devices and Systems Including the Same
US 08689673 B2, April 8, 2014, Timing control by relative adjustment of plural movable fluid control elements, Andrew C. Berkun
An energy conversion device, comprising:…

Linear Actuator
US 08683911 B2, April 1, 2014, Plural Relatively Movable or Rigidly Interconnected Working Members, Koichiro Ishibashi et al. / SMC Kabushiki Kaisha (Tokyo, JP)
A linear actuator in which, by introduction of a pressure fluid from fluid…

Fluid Driven Reciprocating Linear Motor
US 08671822 B2, March 18, 2014, Distributor actuator between space piston faces, Adam Depiak et al. / Depiak Industrial Technology Corporation (Calgary, CA)
A motor for providing powered reciprocating linear drive motion using…

Output System for a Plurality of Masses
US 08640601 B2, Feb. 4, 2014, Plural Relatively Movable or Rigidly Interconnected Working Members, Christoph Schmid / Henkel AG & Co. KGaA (Duesseldorf, DE)
An output system for the extraction and/or output of plural masses, comprising…

Directional Control Valve, Particularly for Controlling an Actuating Cylinder of a Turbo-Machine
US 08555772 B2, Oct. 15, 2013, With main valve position feedback to pilot valve, Steffen Lindoerfer et al. / Voith Patent GmbH (Heidenheim, DE)
A directional control valve for controlling working cylinders, servomotors,…

Cushioning System for Pneumatic Cylinder of Differential Engine
US 08528459 B2, Sept. 10, 2013, Part movable with respect to working member, Gennady Plavnik / Wabtec Holding Corp. (Wilmerding, US)
A cushioning system for use with a pneumatic cylinder/differential engine door…

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