F01C 1/18

Sub-Class

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Description

Class  F01C : ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES


Subclass 1/18: Rotary-piston machines or engines (with axes of co-operating members non-parallel F01C 3/00; with the working-chamber walls at least partly resiliently deformable F01C 5/00; with fluid ring or the like F01C 7/00; rotary-piston machines or engines in which the working fluid is exclusively displaced by, or exclusively displaces, one or more reciprocating pistons F01B 13/00) of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms (F01C 1/16 takes precedence)

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
12060882 Rotary positive displacement pumpMar 26, 21Aug 13, 24Alfa Laval Corporate AB
12025131 Torque transfer gear pumpAug 08, 22Jul 02, 24Deere & Company
11988209 Spring retainer for gear pump bearing plateDec 03, 21May 21, 24HAMILTON SUNDSTRAND CORPORATION
11976659 Positive displacement pump with pressure reliefOct 26, 22May 07, 24Not available
11846283 System to pump fluid and control thereofNov 06, 20Dec 19, 23Project Phoenix, LLC
11187227 Bi-helical toothed wheel with variable helix angle and non-encapsulated profile for a hydraulic gear apparatusJul 17, 17Nov 30, 21SETTIMA MECCANICA S.R.L.
11060520 Positive displacement pump with pressure reliefFeb 27, 17Jul 13, 21Not available
10865788 System to pump fluid and control thereofSep 01, 16Dec 15, 20Project Phoenix, LLC
10655562 Rotary compressor for gaseous fluidsJul 19, 17May 19, 20Not available
10590928 Gear pump that removes air from pumped oilNov 28, 17Mar 17, 20GM Global Technology Operations LLC
10570900 Oil separation barrel, screw compressor and air conditioning unitJul 06, 16Feb 25, 20Gree Electric Appliances, Inc. of Zhuhai; Gree Electric Appliances Technology Co., Ltd. of Zhuhai;
10502208 Magnetically engaged pumpMay 28, 19Dec 10, 19Wilden Pump and Engineering LLC
10436195 Magnetically engaged pumpSep 21, 18Oct 08, 19Wilden Pump and Engineering LLC
10393114 Variable delivery external gear machineFeb 27, 15Aug 27, 19Purdue Research Foundation
10344760 Toy fluid pumping gunDec 11, 17Jul 09, 19DEKA Products Limited Partnership
10280806 Drive unit with its drive transmission system and connected operating heat cycles and functional configurationsFeb 02, 15May 07, 19I.V.A.R. S.P.A.
10240600 Magnetically engaged pumpApr 26, 17Mar 26, 19Wilden Pump and Engineering LLC
10125765 Fluid pump with two pumpsDec 07, 15Nov 13, 18Jesel Inc.
10094291 Gear pump intended, in particular, as a high pressure fuel pumpApr 14, 15Oct 09, 18SAFRAN AIRCRAFT ENGINES
10024317 Geared hydraulic machine and relative gear wheelDec 16, 13Jul 17, 18DANFOSS POWER SOLUTIONS S.r.l.

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2021/0131,285 EXTERNAL GEAR MACHINEDec 06, 17May 06, 21Not available

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Top Owners in This Subclass

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Patents Issued To Date - By Filing Year

Average Time to Issuance