| Patents for F04B 39 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups (22,436) |
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| 09/12/1978 | US4112701 Method and means for cooling the oil in a system including a compressor with oil supply, as well as such systems |
| 09/05/1978 | US4111612 Hermetic compressor lubrication system |
| 09/05/1978 | US4111609 Multistage gas compressor |
| 09/05/1978 | CA1037926A1 Valve plate having improved suction gas flow path |
| 09/05/1978 | CA1037869A1 Turbomachine seal |
| 09/05/1978 | CA1037801A1 Oil cooled piston |
| 08/29/1978 | US4109920 Heat exchanger for shaft seal cartridge |
| 08/29/1978 | US4109364 Method of making ball and socket joint |
| 08/22/1978 | US4108581 Suspension system for motor-compressor unit |
| 08/22/1978 | US4108577 Variable displacement compressor |
| 08/15/1978 | US4106881 Encapsulated motor compressor for refrigerators |
| 08/15/1978 | US4106392 Hand-operated pump |
| 08/15/1978 | CA1036603A1 Tetrahydro-1,3,5-triazine-2,6-diones, processes for their production and their use as herbicides |
| 08/08/1978 | US4105374 Integrated multi-unit refrigeration motor-compressor assembly |
| 07/25/1978 | US4102609 Valve control system for air powered vacuum pump |
| 07/25/1978 | US4102608 Reciprocatory piston and cylinder machines |
| 07/25/1978 | US4102149 Variable capacity multiple compressor refrigeration system |
| 07/18/1978 | US4100934 Reciprocating refrigerant compressor valve arrangement |
| 07/04/1978 | US4099154 Starting relay casing for motorcompressors |
| 06/27/1978 | US4097202 Auxiliary compressor assembly |
| 06/27/1978 | US4097185 Lubricating device |
| 06/20/1978 | US4095921 Multi-cylinder compressor having spaced arrays of cylinders |
| 06/13/1978 | US4094617 Automotive air conditioner compressor |
| 06/13/1978 | US4094165 Loss heat suppression apparatus and method for heat pump |
| 05/30/1978 | US4091638 Cooling system for hermetic compressor |
| 05/23/1978 | US4090430 Swash plate type compressor |
| 05/16/1978 | US4089663 Pulsation and noise suppressor assembly with air filter |
| 05/02/1978 | USRE29621 Variable capacity multiple compressor refrigeration system |
| 04/25/1978 | US4086040 Rotary compressor comprising improved rotor lubrication system |
| 04/25/1978 | US4086037 Diaphragm pump |
| 04/25/1978 | US4086033 Oil pump for motor compressor |
| 04/25/1978 | US4086032 Sealed type motor-compressor |
| 03/21/1978 | US4080103 Portable air compressor system for respirator |
| 02/14/1978 | US4073603 Variable displacement compressor |
| 02/07/1978 | US4072210 Compressor |
| 01/31/1978 | US4070856 Air flow control system and improved multiple position switching means for use therewith |
| 01/24/1978 | US4070133 Pump compressor unit for use with pumping draft beer |
| 01/24/1978 | US4070122 Ball and socket joint and method of making |
| 01/10/1978 | US4067667 Controlled stroke electrodynamic oscillating motor compressor |
| 01/03/1978 | US4066869 Compressor lubricating oil heater control |
| 12/27/1977 | US4065237 Valve apparatus for expansible chamber |
| 12/20/1977 | US4063853 Noise dampening means in refrigeration motor-compressor units and method |
| 12/06/1977 | US4061444 Compressor muffling arrangement |
| 11/29/1977 | US4060098 Valve plate construction |
| 11/22/1977 | US4059367 Gaseous fluid compressing apparatus |
| 11/15/1977 | US4058361 Refrigerant compressor having indirect outlet connection |
| 11/15/1977 | US4057979 Refrigerant compressor unit |
| 11/08/1977 | US4057382 Apparatus for air-pressure forming thermoplastic resin sheets |
| 11/08/1977 | US4057368 Base frame construction for a liquid ring compressor set |
| 11/08/1977 | US4057367 Combined rotary-reciprocating piston compressor |
| 11/01/1977 | US4056044 Oil cooled piston |
| 11/01/1977 | US4055950 Energy conversion system using windmill |
| 10/04/1977 | US4051877 Gas compression apparatus |
| 09/27/1977 | US4050360 Oil damped piston |
| 09/20/1977 | US4048975 Pistons |
| 09/13/1977 | US4047909 Valve system particularly for apparatus for producing dry compressed air |
| 08/30/1977 | US4044655 High pressure plunger and method of manufacture |
| 08/23/1977 | US4043710 Compressor unloader assembly |
| 08/02/1977 | US4039270 Fluid suction and discharge apparatus |
| 08/02/1977 | US4039002 Gas compressor valve |
| 07/19/1977 | US4036251 Fluid compressor valve |
| 07/12/1977 | US4035110 Air compressor cylinder head |
| 07/05/1977 | US4033707 Refrigeration compressor structures and their methods of construction |
| 06/28/1977 | US4032264 Closed-type electromagnetic compressor |
| 06/07/1977 | US4028015 Unloader for air compressor with wobble piston |
| 06/07/1977 | US4027853 Valve plate having improved suction gas flow path |
| 05/31/1977 | US4026122 Refrigeration system |
| 05/17/1977 | US4023467 Piston compressor for gaseous fluids |
| 05/10/1977 | US4022550 Enclosed compressor unit |
| 05/10/1977 | US4022549 Shoreline air compressors wherein swell water pumps the air |
| 05/03/1977 | US4021151 Unitary reciprocating motor and compressor with gas cushioning |
| 05/03/1977 | US4020645 Motor-compressor unit of the sealed type for refrigerating appliances |
| 04/26/1977 | US4019342 Compressor for a refrigerant gas |
| 04/05/1977 | US4015915 Oil free compressor |
| 03/22/1977 | US4013379 Wave-powered pneumatic system for power generation |
| 03/15/1977 | US4012173 Variable stroke compressor |
| 03/08/1977 | US4011029 Fluid suction and discharge apparatus |
| 02/08/1977 | US4006602 Refrigeration apparatus and method |
| 01/18/1977 | US4003680 Swash-plate compressor |
| 01/11/1977 | US4002184 Water flow actuated air charging device |
| 12/28/1976 | US3999898 Automatic pressure valve intended for compressors |
| 12/28/1976 | US3999897 Pump supported by a fluid-isolated, liquid-lubricated thrust bearing |
| 12/28/1976 | US3999894 Compressor assembly |
| 12/28/1976 | US3999893 Compressor for refrigerating machines |
| 12/21/1976 | US3998571 Valve retainer |
| 12/21/1976 | US3998570 Air conditioning compressor |
| 12/14/1976 | US3996761 Reciprocating compressor |
| 11/30/1976 | US3994319 Reed type valve formed of high modulus fiber reinforced composite material |
| 11/02/1976 | US3989490 Oil separator, especially for a cooling medium compressor |
| 10/19/1976 | US3986798 Piston compressor |
| 10/19/1976 | US3986437 Double-acting rotary hydraulic jack |
| 10/12/1976 | US3985475 Expansible chamber device |
| 09/21/1976 | US3981636 Diaphragm vacuum pump |
| 09/21/1976 | US3981631 Compressor head construction |
| 09/21/1976 | US3981629 Swash-plate type compressor for air conditioning of vehicles |
| 09/21/1976 | US3981625 Pump with gauge means |
| 09/07/1976 | US3978685 Means for trapping oil lost during startup of refrigerant compressors |
| 08/17/1976 | US3974745 Piston for compressor |
| 07/27/1976 | US3971407 Means for locating suction valve |
| 07/13/1976 | US3969045 Diaphragm vacuum pump for vehicles |