Featured patents

Scroll Compressor With Cover Covering Driving Shaft of Driving Motor
US 08827667 B2, Sept. 9, 2014, Helical working member, e.g., scroll, Kazuyoshi Sugimoto et al. / SANYO Electric Co., Ltd. (Moriguchi-shi, JP)
A scroll compressor, comprising:…

Variable Displacement Pump Having a Rotating Cam Ring
US 08740593 B2, June 3, 2014, By cylinder or cylinder portion pivotal movement, Martin A. Clements et al. / Eaton Industrial Corporation (Cleveland, US)
A fuel pump comprising:…

Multi-Stage Dry Pump
US 08662869 B2, March 4, 2014, Three or more, Toshio Suzuki et al. / ULVAC, Inc. (Chigasaki-Shi, JP)
A multi-stage dry pump comprising:…

Scroll Type Compressor Having an Elastic Member to Suppress Noise and Reduce Variations
US 08602756 B2, Dec. 10, 2013, With biasing means, e.g., axial or radial, Masahiro Ohta et al. / Mitsubishi Heavy Industries, Ltd. (Tokyo, JP)
A scroll type compressor comprising:…

Gear Pump
US 08579616 B2, Nov. 12, 2013, Engages plural rotary members, Ryohei Maruo et al. / Hitachi Automotive Systems, Ltd. (Hitachinaka-shi, JP)
A gear pump comprising:…

Scroll Compressor Having Adjustable Spacers
US 08591210 B2, Nov. 26, 2013, With biasing means, e.g., axial or radial, Clive Frederick Collie / Edwards Limited GB
A scroll compressor comprising:…

Geared Hydraulic Apparatus
US 08556609 B2, Oct. 15, 2013, Trapped Fluid Relief, Mario Antonio Morselli / (Modena, IT)
An improved geared hydraulic apparatus, comprising a pair of meshing gearwheels,…

Water Injection Type Screw Fluid Machine
US 08556606 B2, Oct. 15, 2013, Non-working fluid initially directed to shaft bearing, Toru Noguchi / Kobe Steel, Ltd. (Kobe-shi, JP)
A screw fluid machine of a water injection type, comprising:…

Scroll Machine Having Axially Biased Scroll
US 08506271 B2, Aug. 13, 2013, With mechanical sealing, Robert C. Stover et al. / Emerson Climate Technologies, Inc. (Sidney, US)
A compressor comprising:…

Rotary Compressor
US 08485805 B2, July 16, 2013, Intermediate member separates and engages plural working members, Yoonsung Choi et al. / LG Electronics Inc. (Seoul, KR)
A rotary compressor, comprising:…

Patentorg has 264 documents under Rotary Expansible Chamber Devices Patents.

Narrow down the browsing criteria below to see more patents.

Select a subcategory
Quick navigation
New documents
  • Process for the Production of the Actinobacillus Pleuropneumoniae Toxins APXI or APXIII in a Liquid Culture Medium Under Supply of Air Enriched in Carbon Dioxide
  • Method for Manufacturing Nonvolatile Memory Device
  • Supply Chain Demand Satisfaction
  • Supply-Line Management Device
  • Storage Control Device and Method for Managing Snapshot