F04C 2/063

Sub-Class

Watch

Stats

Description

Class  F04C : ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS


Subclass 2/063: Rotary-piston machines or pumps (with non-parallel axes of co-operating members F04C 3/00; with the working-chamber walls at least partly resiliently deformable F04C 5/00; with fluid ring or the like F04C 7/00; rotary-piston pumps specially adapted for elastic fluids F04C 18/00, F04C 19/00; rotary-piston machines or pumps in which the working-fluid is exclusively displaced by, or exclusively displaces, one or more reciprocating pistons F04B) of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents with coaxially-mounted members having continuously-changing circumferential spacing between them

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
10472965 Electromagnetic only vane coordination of a cat and mouse engineJun 17, 16Nov 12, 19Not available
10451068 Tip sealNov 09, 15Oct 22, 19TRANE INTERNATIONAL INC.
10072659 Pressure control valve and scroll compressorJul 05, 13Sep 11, 18EMERSON CLIMATE TECHNOLOGIES (SUZHOU) CO., LTD.
9816504 Scroll compressorJan 07, 15Nov 14, 17SAMSUNG ELECTRONICS CO., LTD.
9803424 Mud motor assemblyFeb 25, 16Oct 31, 17SMART DRILLING AND COMPLETION, INC.
9664190 CompressorNov 07, 14May 30, 17SAMSUNG ELECTRONICS CO., LTD.
9611693 Mud motor assemblyFeb 11, 16Apr 04, 17SMART DRILLING AND COMPLETION, INC.
9518580 Scroll type fluid machineJul 10, 14Dec 13, 16HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
9091168 Rotary engine systemsOct 06, 08Jul 28, 15Not available
8672654 Shaft mounted counterweight, method and scroll compressor incorporating sameMay 17, 11Mar 18, 14BITZER KUEHLMASCHINENBAU GMBH
8628313 Scroll fluid machine with a coating layerJul 26, 10Jan 14, 14HITACHI, LTD.
8573955 Scroll compressor with noise reducing discharge openingMar 17, 09Nov 05, 13LG ELECTRONICS INC.
8529232 Compressor having capacity modulation systemOct 21, 10Sep 10, 13Emerson Climate Technologies, Inc.
8517704 Compressor having capacity modulation systemFeb 07, 12Aug 27, 13Emerson Climate Technologies, Inc.
8371834 Anti-self rotation mechanism of a scroll fluid machineJun 02, 09Feb 12, 13RichStone Limited
8328543 Contoured check valve disc and scroll compressor incorporating sameApr 03, 09Dec 11, 12BITZER KUEHLMASCHINENBAU GMBH
8328544 Bearings of a scroll type machine with crank mechanismJul 02, 09Dec 11, 12HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
8313317 Scroll fluid machine with cold forged eccentric crankshaftNov 29, 07Nov 20, 12MITSUBISHI HEAVY INDUSTRIES, LTD.
8308461 Scroll compressor with improved rotation prevention mechanismNov 14, 08Nov 13, 12MITSUBISHI HEAVY INDUSTRIES, LTD.
8282370 Stepped scroll compressor with changing step mesh gapsDec 20, 06Oct 09, 12MITSUBISHI HEAVY INDUSTRIES, LTD.

more results

Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2017/0342,979 ARRANGEMENT COMPRISING A ROTOR, A STATOR AND MEANS FOR MUTUAL POSITION DETECTION THEREOFDec 11, 15Nov 30, 17Hudiksvalls Teknikcentrum AB

more results

Top Owners in This Subclass

Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More

Patents Issued To Date - By Filing Year

Average Time to Issuance