| Patents for F04B 27 - Multi-cylinder pumpsspecially adapted for elastic fluids and characterised by number or arrangement of cylinders (7,781) |
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| 12/02/1980 | US4236875 Pressure operated hydraulic control valve |
| 11/04/1980 | US4231713 Compressor modulation delay valve for variable capacity compressor |
| 10/28/1980 | US4230026 Reciprocating piston device |
| 10/21/1980 | US4229145 Swash plate compressor |
| 10/07/1980 | US4226572 Valve assembly for a multi-cylinder swash plate type compressor |
| 09/09/1980 | US4221545 Support mechanism of a wobble plate in a compressor unit |
| 09/09/1980 | US4221544 Refrigerant compressor |
| 09/03/1980 | EP0014723A1 Compressor with piston and cylinder piston, both performing orbital movements |
| 09/02/1980 | CA1084882A1 Variable displacement compressor |
| 08/19/1980 | CA1084018A1 Compressor with versatile service line connection options and method of manufacture |
| 08/12/1980 | US4216782 Device for the extraction of blood |
| 07/08/1980 | US4211092 Space heating installation |
| 07/08/1980 | CA1081189A1 Breathing gas pump apparatus for divers |
| 04/03/1980 | WO1980000600A1 Compressor with a unique moving body operated by a unique rod |
| 12/11/1979 | US4178136 Guide shoe members for wobble plate compressor |
| 12/11/1979 | US4178135 Variable capacity compressor |
| 12/04/1979 | CA1067468A1 Variable displacement compressor |
| 11/27/1979 | US4175915 Drive shaft lug for variable displacement compressor |
| 11/13/1979 | US4174191 Variable capacity compressor |
| 11/06/1979 | US4173431 Road vehicle-actuated air compressor and system therefor |
| 10/30/1979 | CA1065286A2 Integrated high capacity compressor |
| 07/24/1979 | US4162030 Disposable package dispenser having a pressure release channel |
| 07/10/1979 | US4160624 Water vehicle-actuated air compressor and system therefor |
| 05/08/1979 | US4152956 Compressor for air-conditioning devices for vehicles |
| 03/20/1979 | US4145163 Variable capacity wobble plate compressor |
| 02/13/1979 | US4138775 Method for manufacturing a shoe for a swash-plate type compressor |
| 02/13/1979 | CA1048463A1 Compressor for a refrigerant gas |
| 02/06/1979 | US4138203 Swash plate compressor |
| 02/06/1979 | CA1047999A1 Air compressor |
| 01/30/1979 | US4137019 Rotary piston machine |
| 01/30/1979 | US4137013 Variable displacement piston pump |
| 01/23/1979 | US4135862 Swash plate type compressor |
| 01/02/1979 | US4132510 Compressor |
| 11/28/1978 | US4127363 Swash-plate type compressor |
| 10/03/1978 | US4117768 Hydraulic rotary devices |
| 09/19/1978 | US4115037 Opposed piston internal combustion engine-driven pump |
| 09/19/1978 | US4115034 Vehicle-actuated air compressor and system therefor |
| 08/22/1978 | US4108577 Variable displacement compressor |
| 08/08/1978 | US4105371 Cam driven compressor |
| 08/08/1978 | US4105370 Variable displacement compressor with three-piece housing |
| 07/25/1978 | US4102608 Reciprocatory piston and cylinder machines |
| 07/18/1978 | US4101250 Swash plate type compressor |
| 07/18/1978 | US4101249 Swash plate type compressor |
| 06/20/1978 | US4095921 Multi-cylinder compressor having spaced arrays of cylinders |
| 05/23/1978 | US4090430 Swash plate type compressor |
| 03/14/1978 | US4078439 Alternative reciprocating compressor |
| 02/14/1978 | US4073603 Variable displacement compressor |
| 01/24/1978 | US4070136 Apparatus for lubricating a swash plate compressor |
| 12/27/1977 | USRE29503 Apparatus for use as a gas compressor or blower |
| 12/27/1977 | US4065229 Variable capacity radial-4 compressor |
| 12/06/1977 | US4061443 Variable stroke compressor |
| 11/22/1977 | US4059367 Gaseous fluid compressing apparatus |
| 11/08/1977 | US4057367 Combined rotary-reciprocating piston compressor |
| 09/27/1977 | US4050852 Variable displacement radial piston compressor |
| 08/16/1977 | US4042309 Refrigerant compressor |
| 07/26/1977 | US4037993 Control system for variable displacement compressor |
| 07/26/1977 | US4037522 Copper-tin-lead alloy |
| 04/26/1977 | US4019342 Compressor for a refrigerant gas |
| 04/05/1977 | US4015915 Oil free compressor |
| 03/08/1977 | US4011029 Fluid suction and discharge apparatus |
| 02/15/1977 | US4008011 Piston compressor |
| 02/15/1977 | US4008006 Wind powered fluid compressor |
| 02/15/1977 | US4008005 Refrigerant compressor |
| 02/01/1977 | US4005948 Lubrication system for compressor unit |
| 01/18/1977 | US4003680 Swash-plate compressor |
| 12/28/1976 | US3999894 Compressor assembly |
| 12/28/1976 | US3999893 Compressor for refrigerating machines |
| 12/21/1976 | US3998570 Air conditioning compressor |
| 12/21/1976 | US3998569 Apparatus for use as a gas compressor or gas blower |
| 12/07/1976 | US3995779 Aerosol container |
| 09/21/1976 | US3981703 Multistage vane type rotary compressor |
| 09/21/1976 | US3981629 Swash-plate type compressor for air conditioning of vehicles |
| 06/08/1976 | US3961869 Air compressor |
| 06/01/1976 | US3959983 Variable capacity wobble plate compressor |
| 05/11/1976 | US3955899 Apparatus for lubricating a swash plate compressor |
| 03/23/1976 | US3945765 Refrigerant compressor |
| 02/24/1976 | US3939717 Power transmitting mechanism for reciprocating engines or pumps |
| 02/17/1976 | US3938397 Power transmitting mechanism |
| 01/27/1976 | US3934967 Refrigeration compressor and system |
| 01/06/1976 | US3930762 Apparatus for use as a gas compressor or gas blower |
| 01/06/1976 | US3930758 Means for lubricating swash plate air conditioning compressor |