| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 11/11/1986 | US4621994 Lobe rotor pumps |
| 11/06/1986 | WO1986006443A1 Downhole screw motor |
| 11/05/1986 | EP0200294A2 Balanced roller vane pump having reduced pressure pulses |
| 11/05/1986 | EP0199833A1 Hydraulic pump |
| 11/05/1986 | CN86201361U High-pressure clear water pump |
| 10/29/1986 | CN86200907U Vertical screw-arbor sleeve piece and driving mechanisms on spinning machine |
| 10/28/1986 | US4619594 Stackable rotary vane pump with improved volumetric efficiency |
| 10/14/1986 | US4616728 Power steering device |
| 09/30/1986 | US4614232 Device for delivering flowable material |
| 09/30/1986 | CA1211987A1 Hydraulic devices |
| 09/23/1986 | US4613292 Hydraulic motor having free-wheeling and locking modes of operation |
| 09/16/1986 | US4611975 Scroll type compressor or pump with axial pressure balancing |
| 09/12/1986 | WO1986005241A1 Positive displacement machine, particularly pump, and method for fabricating such pump |
| 09/10/1986 | EP0193618A1 Apparatus and method for assembling and matching the working components of a sectional screw downhole motor |
| 09/09/1986 | US4610614 Vane pump |
| 09/09/1986 | US4610611 Scroll type positive displacement apparatus with tension rods secured between scrolls |
| 09/09/1986 | US4610610 Unloading of scroll compressors |
| 09/03/1986 | CN85106330A Large flow quatity round-tooth multipurpose fluid pump |
| 08/26/1986 | US4608003 Seal arrangement for vane type air pumps |
| 08/19/1986 | US4606713 Rotary positive-displacement fluid-pressure machines |
| 08/19/1986 | US4606711 Fluid pump with eccentrically driven C-shaped pumping member |
| 08/14/1986 | WO1986004638A1 Rotary motion fluid apparatus |
| 08/13/1986 | EP0190845A2 Hydraulic motor having free-wheeling and locking modes of operation |
| 08/13/1986 | EP0190564A2 Gear pump-liquid gas mixer with improved gas introduction |
| 08/12/1986 | US4605363 Gear pump with pivoted bushings that can deflect |
| 08/06/1986 | EP0189670A1 Gear pumps |
| 08/06/1986 | EP0189639A1 Roller, vane or like rotary pump |
| 08/06/1986 | EP0189560A1 Gear machine (pump or motor) |
| 07/30/1986 | CN85107629A Variable gear pump |
| 07/23/1986 | CN85101350A Scroll-type hydraulic device |
| 07/22/1986 | US4601645 Gear pump-liquid gas mixer with improved gas introduction |
| 07/22/1986 | CA1208072A1 Progressive cavity pump |
| 07/16/1986 | EP0187610A2 Rotary fluid devices |
| 07/16/1986 | CN85107186A Radial floating gear pump and its motor of asymmetry type |
| 07/08/1986 | US4599058 Vane slots for a fluid power converter |
| 07/08/1986 | US4599057 Rotary blade machine with blade end sealing |
| 07/08/1986 | US4599051 Vane type rotary pump |
| 07/08/1986 | CA1207189A1 Rotary pump for blood and other sensitive liquids |
| 07/01/1986 | US4597725 Rotary piston machine with parallel internal axes |
| 06/18/1986 | EP0184938A2 Wave pump assembly |
| 06/10/1986 | US4594060 Rotary pump for blood and other sensitive liquids |
| 06/10/1986 | CN85109191A Method of manufacturing rotor |
| 06/04/1986 | EP0183422A2 Offset three-gear, two-system pump |
| 06/04/1986 | EP0183380A2 Positive-displacement screw pump |
| 06/03/1986 | US4592706 Internal gear pump with branched intake plenum |
| 06/03/1986 | US4592704 Motor with improved low-speed operation |
| 05/27/1986 | US4591322 Eccentric archimedian screw pump of rotary displacement type |
| 05/20/1986 | US4590033 Multi-lobe composite casing for a multi-screw processing machine |
| 05/20/1986 | US4589829 Vane pump |
| 05/13/1986 | US4588362 Reversible unidirectional flow rotary pump |
| 05/10/1986 | CN85104676A Scroll-type fluid pressure booster and process for manufacturing scroll used therein |
| 05/06/1986 | US4586885 Compact high torque hydraulic motors |
| 05/06/1986 | US4586468 Tandem pump assembly |
| 04/29/1986 | US4585404 Double-eccentric rotary apparatus with minimal chamber volume |
| 04/29/1986 | US4585402 Scroll-type fluid machine with eccentric ring drive mechanism |
| 04/29/1986 | US4584934 Apparatus for producing a homogenous flexible layer of material from blocks of highly consistent material, such as butter or margarine |
| 04/23/1986 | EP0178782A1 Tandem pump assembly |
| 04/23/1986 | EP0178392A1 Gear machine |
| 04/22/1986 | US4583924 Gear pump, especially for medical purposes |
| 04/10/1986 | WO1986002126A1 Hydraulic gear motor/pump |
| 04/08/1986 | US4580957 Rotary fluid-flow machine with thin-walled annular piston |
| 04/08/1986 | US4580955 Eccentric screw pump for the conveying of liquids from bore holes |
| 04/08/1986 | US4580953 Screw pump including a fluid bypass regulating device |
| 04/01/1986 | US4578948 Reversible flow vane pump with improved porting |
| 03/19/1986 | EP0174734A2 Oil pumps |
| 03/12/1986 | EP0174076A1 Improvements in hydraulic motors and hydraulic pumps |
| 03/12/1986 | EP0173778A1 Improvements relating to pumps |
| 03/11/1986 | US4575324 Rotary fluid pump |
| 03/11/1986 | US4575318 Unloading of scroll compressors |
| 03/11/1986 | US4575314 Deflecting insert for a rotary vane pump |
| 03/11/1986 | CA1201622A1 Pumping system suitable for conveying a high consistency material |
| 03/05/1986 | EP0173049A2 Improved vane slots for a fluid power converter |
| 02/27/1986 | WO1986001262A1 Unloading of scroll compressors |
| 02/27/1986 | WO1986001261A1 Flow regulating device for a rotary piston pump |
| 02/18/1986 | US4570316 Method for manufacturing a rotor for a rotary fluid pump |
| 02/13/1986 | WO1986000954A1 Sectional screw downhole motor, method of its assembling and mounting device therefor |
| 02/12/1986 | EP0171183A1 Variable capacity roller- and vane-type pumps |
| 02/12/1986 | EP0171182A1 Variable capacity roller- and vane-type pumps |
| 02/11/1986 | US4569644 Low speed high torque motor with gear reduction |
| 02/04/1986 | US4568257 Rotary pump |
| 02/04/1986 | US4567953 Bottom-hole multistart screw motor |
| 01/29/1986 | EP0169795A2 Double-eccentric rotary apparatus with minimal chamber volume |
| 01/29/1986 | EP0169307A2 Hot melt adhesive pump with ported gears |
| 01/28/1986 | US4566870 Adjustable vane-type pump |
| 01/15/1986 | EP0168366A1 A device for pumping oil |
| 01/07/1986 | US4563137 Rotary hydraulic energy-conversion device with two dams engaging a rotatable ring |
| 01/07/1986 | US4563136 High torque low speed hydraulic motor with rotary valving |
| 12/31/1985 | US4561837 Method of producing a rotor for rotary slide-vane vacuum pumps, and a rotor produced by said method |
| 12/31/1985 | US4561834 Rotary vaned pumps with fixed length and shearing knife-edged vanes |
| 12/31/1985 | US4561833 Fluid pressure device |
| 12/27/1985 | EP0165884A1 Hydraulic high-pressure producer or receiver for the transmission of power |
| 12/24/1985 | US4560328 Rotary piston machine having a plurality of chambers containing reciprocating flap pistons |
| 12/20/1985 | CN85200887U Vane type pump |
| 12/17/1985 | US4558998 Variable capacity type vane pump with balancing groove in the cam ring |
| 12/17/1985 | US4558991 Wave pump assembly |
| 12/17/1985 | US4558954 Extruder screw and positive displacement wave pump assembly |
| 12/03/1985 | US4556372 Positive displacement machine having improved displacement curve |
| 12/03/1985 | CA1197425A1 Driveshaft arrangement for trochoidal rotary device |
| 11/26/1985 | US4555224 Oil feeding device for scroll fluid apparatus |
| 11/21/1985 | EP0161421A2 Internal rotor gear oil pump for internal-combustion engines of motor vehicles |