| 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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| 04/22/1980 | US4199309 Circular cavity discharge valve |
| 04/22/1980 | US4199306 Method and apparatus for compressing gas |
| 04/15/1980 | CA1075621A1 Lubricating device for a motor compressor |
| 04/08/1980 | US4196746 Gas compressor valve |
| 04/03/1980 | WO1980000600A1 Compressor with a unique moving body operated by a unique rod |
| 03/25/1980 | US4194371 Refrigeration system with compressor mounted accumulator |
| 03/25/1980 | US4194370 Accumulator for refrigeration system |
| 03/18/1980 | US4193744 Compressor valve |
| 03/18/1980 | US4193424 Lamina valve for reciprocating compressors |
| 02/26/1980 | US4190402 Integrated high capacity compressor |
| 02/26/1980 | US4189984 Piston-cylinder arrangement for a compressor |
| 02/26/1980 | CA1072595A1 Heat exchanger |
| 02/26/1980 | CA1072510A1 Encapsulated motor compressor for refrigerators |
| 02/12/1980 | CA1071548A2 Lubrication system for reciprocating plunger compressors |
| 02/06/1980 | EP0007362A1 Piston compressor derived from an alternating thermal engine. |
| 02/05/1980 | US4187058 Portable air compressor |
| 02/05/1980 | US4186767 Bleed valve particularly for a multi-stage compressor |
| 01/23/1980 | EP0007295A2 Liquid-injected compressor device |
| 01/22/1980 | US4184818 Valve for piston compressors and pumps |
| 01/22/1980 | US4184810 Compressor unit, particularly for refrigerators |
| 01/22/1980 | US4184508 Plate valve |
| 01/22/1980 | CA1070278A1 Resilient pressure tube |
| 01/22/1980 | CA1070129A1 Variable capacity multiple compressor refrigeration system |
| 01/15/1980 | CA1069863A1 Encapsulated motor compressor for refrigerators |
| 01/01/1980 | US4181474 Vertical axis hermetic rotary helical screw compressor with improved rotary bearings and oil management |
| 01/01/1980 | CA1069020A Spring means and valve containing same |
| 01/01/1980 | CA1069019A Valve with replaceable guide members |
| 01/01/1980 | CA1068916A Refrigerator with a motor compressor resiliently held in a capsule |
| 12/27/1979 | WO1979001147A1 A microporous member with interconnected,oriented tapered voids |
| 12/25/1979 | US4180377 Valve element for an air pump |
| 12/18/1979 | US4179246 Crankcase vent apparatus and method |
| 12/12/1979 | EP0005910A1 Piston and cylinder assemblies |
| 12/11/1979 | US4178140 Compressor with reciprocating piston particularly for small refrigerators |
| 12/04/1979 | US4177023 Pneumatic system for smoothing discharge pressure from air |
| 12/04/1979 | CA1067468A1 Variable displacement compressor |
| 12/04/1979 | CA1067302A1 Encapsulated refrigerator |
| 11/20/1979 | US4174927 Refrigeration compressor lubrication |
| 11/13/1979 | US4174189 Refrigeration compressor suspension system |
| 11/13/1979 | US4173985 Straightway valve |
| 11/13/1979 | CA1066072A1 Encapsulated refrigerator |
| 11/06/1979 | US4173433 Two-stage gas compressor |
| 10/30/1979 | CA1065286A2 Integrated high capacity compressor |
| 10/16/1979 | CA1064444A1 Two speed compressor with vibration dampening means |
| 10/16/1979 | CA1064409A1 Lubrication system for reciprocating plunger compressors |
| 10/02/1979 | CA1063371A1 Oil stirrer for refrigeration compressor |
| 09/25/1979 | US4168722 Feather valve |
| 09/18/1979 | CA1062483A1 Cooling system for hermetic compressor |
| 09/04/1979 | CA1061755A2 Air compressor cylinder head |
| 08/14/1979 | US4164238 Closing plate for a ring valve |
| 07/17/1979 | CA1058598A1 Suspension system for motor-compressor unit |
| 07/10/1979 | US4160625 Encapsulated refrigerator |
| 07/10/1979 | US4160436 Rotary valves |
| 07/10/1979 | CA1058130A1 Valve closure parts |
| 07/03/1979 | CA1057716A1 Air compressor cylinder head |
| 06/28/1979 | WO1979000386A1 Improvements to cylinder heads of piston compressors,particularly for refrigerating fluids |
| 06/05/1979 | CA1055901A1 Closing plate for a ring valve |
| 05/29/1979 | US4156416 Engine driven vacuum pump |
| 05/29/1979 | CA1055452A1 Valve retainer |
| 05/15/1979 | CA1054586A1 Compressor with reciprocating piston, particularly for small refrigerators |
| 05/15/1979 | CA1054585A1 Integrated high capacity compressor |
| 05/08/1979 | US4153392 Refrigeration compressor lubrication |
| 05/08/1979 | US4152956 Compressor for air-conditioning devices for vehicles |
| 04/19/1979 | WO1979000199A1 Piston compressor derived from an alternating thermal engine |
| 04/17/1979 | US4149834 Delivery valve, especially for rotary piston compressors |
| 04/17/1979 | CA1052588A1 Method and means for cooling the oil in a system including a compressor with oil supply, as well as such systems |
| 04/10/1979 | CA1052428A1 Machine bearing construction and arrangement |
| 04/03/1979 | US4147479 Refrigeration system and method with compressor mounted accumulator |
| 03/06/1979 | US4142380 Encapsulated refrigerator |
| 03/06/1979 | CA1049881A1 Gas compressor valve |
| 02/27/1979 | US4141223 Encapsulated refrigerator |
| 02/20/1979 | US4140439 Reciprocating compressor having a cut-off device operable within predetermined angular range |
| 02/07/1979 | EP0000611A1 A piston air or gas compressor, preferably for filling divers' breathing air cylinders |
| 02/06/1979 | CA1047999A1 Air compressor |
| 01/30/1979 | US4137020 Diaphragm type air pump |
| 01/30/1979 | US4137019 Rotary piston machine |
| 01/30/1979 | US4137016 Valve mechanism for an air pump |
| 01/30/1979 | US4137015 Energy conversion system using windmill |
| 01/30/1979 | US4137014 Two speed compressor with rotor support structure |
| 01/30/1979 | CA1047466A1 Bilge pump |
| 01/23/1979 | US4135862 Swash plate type compressor |
| 01/23/1979 | CA1047012A1 Liquid-sealed type vacuum pump |
| 01/23/1979 | CA1047010A1 Compressor unloader assembly |
| 01/02/1979 | US4132510 Compressor |
| 12/26/1978 | US4131396 Hermetic compressor lubrication system with two-stage oil pump |
| 12/26/1978 | CA1045173A1 Non-friction pressure seal |
| 12/19/1978 | US4130131 Compressor valve |
| 12/05/1978 | US4127994 Oil stirrer for refrigeration compressor |
| 11/28/1978 | US4127369 Pressure valve for a rotary piston compressor |
| 11/07/1978 | CA1042048A1 Closed-type electromagnetic compressor |
| 10/31/1978 | CA1041312A1 Loss heat suppression apparatus and method for heat pump |
| 10/10/1978 | US4119244 Unitary mounted air-pressure pump and liquid outlet |
| 10/03/1978 | US4118153 Encapsulated motor compressor for refrigerators |
| 10/03/1978 | CA1039696A1 Pump with gauge means |
| 09/26/1978 | CA1039252A1 Enclosed compressor unit |
| 09/19/1978 | US4115044 Valve arrangement for compressor |
| 09/19/1978 | US4115043 Suction valve of the piston compressor |
| 09/19/1978 | US4115039 Resilient pressure tube |
| 09/19/1978 | US4115035 Motor compressor |
| 09/19/1978 | US4114971 Cluster assembly and block therefor |
| 09/12/1978 | US4113410 Liquid-sealed type vacuum pump |