| Patents for F04B 45 - Pumps or pumping installations having flexible working members and specially adapted for elastic fluids (2,191) |
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| 05/19/1987 | US4666378 Diaphragm type pump device having a cushion member |
| 03/18/1987 | EP0214394A2 Diaphragm pump |
| 03/10/1987 | US4648807 Compact piezoelectric fluidic air supply pump |
| 01/07/1987 | EP0207617A1 A dual bellows pump |
| 01/06/1987 | US4634350 Double acting diaphragm pump and reversing mechanism therefor |
| 12/30/1986 | EP0195758A3 A fluid pump |
| 11/26/1986 | EP0202836A1 Air supply pump |
| 10/22/1986 | CN85204754U Membrance-type air-blower |
| 09/24/1986 | EP0195758A2 A fluid pump |
| 08/26/1986 | US4608000 Air pump |
| 07/08/1986 | CA1207296A1 Miniature solid-state gas compressor |
| 05/13/1986 | CA1204291A1 Isothermal positive displacement machinery |
| 04/29/1986 | US4585397 Dual bellows pump with drive circuit through bellows |
| 03/05/1986 | EP0173601A1 Perfectly dry and closed vacuum pump with rectilinear movement for alternating compression |
| 12/24/1985 | US4560326 Diaphragm type pump device |
| 11/05/1985 | US4550624 Reversing mechanism module for a double acting reciprocating pump and method for repairing the pump |
| 08/21/1985 | EP0152401A2 Valve arrangement for the inflation and deflation of an air cushion |
| 08/20/1985 | US4536136 Film-made pump driven by the filling effect of a fluid on filling into a chamber made of film |
| 05/07/1985 | US4515534 Miniature solid-state gas compressor |
| 04/16/1985 | CA1185481A1 Self contained pump and reversing mechanism therefor |
| 02/19/1985 | US4499737 Method and dilution refrigerator for cooling at temperatures below 1° K. |
| 11/06/1984 | US4480969 Fluid operated double acting diaphragm pump housing and method |
| 10/31/1984 | EP0122993A2 Miniature solid-state gas compressor |
| 09/11/1984 | CA1174112A1 Electromagnetic fluid pump |
| 06/05/1984 | US4452572 Dry vacuum diaphragm pump |
| 03/13/1984 | US4436493 Self contained pump and reversing mechanism therefor |
| 02/28/1984 | CA1162701A1 Pump and actuator mechanism |
| 02/14/1984 | US4431952 Electric powered apparatus |
| 10/25/1983 | CA1155711A1 Reciprocating pump and reversing mechanism therefor |
| 09/28/1983 | EP0089391A1 Method and dilution refrigerator for cooling at temperatures below 1K |
| 09/27/1983 | US4406591 Electromagnetic fluid pump |
| 08/09/1983 | US4397420 Spraying of plants, and apparatus therefor |
| 05/24/1983 | US4384829 Pump and actuator mechanism |
| 02/16/1983 | EP0072275A1 Diaphragm pump for a vacuum free of oil |
| 02/15/1983 | US4373867 Pressure charged airlift pump |
| 12/28/1982 | US4365728 Liquid discharge apparatus |
| 09/14/1982 | CA1131596A1 Spraying of plants, and apparatus therefor |
| 09/07/1982 | US4347778 Reversible fluid unit |
| 08/18/1982 | EP0057735A1 Diaphragm compressor and method for its assembly |
| 08/03/1982 | CA1128971A1 Self pumping seal for a reciprocating member |
| 07/28/1982 | EP0056462A1 Electromagnetic fluid pump |
| 06/15/1982 | US4334837 Diaphragm air pump assembly |
| 06/09/1982 | EP0053437A1 Pump and actuator mechanism |
| 05/25/1982 | US4331883 Portable power supply unit |
| 05/11/1982 | US4329123 Diaphragm air pump assembly |
| 05/11/1982 | CA1123401A1 Electric vacuum pump |
| 03/16/1982 | US4319570 Tracheal suction pump designed primarily for aspiration purposes |
| 10/27/1981 | US4296875 Foam dispensing apparatus for marking on a ground surface the working pattern of a surface working vehicle |
| 09/01/1981 | US4286932 Diaphragm pump |
| 07/07/1981 | US4276745 Exhaust gas control apparatus |
| 05/06/1981 | EP0028206A1 Portable power supply unit |
| 05/06/1981 | EP0028173A1 Apparatus for the application of a liquid or pasty product |
| 04/30/1981 | WO1981001182A1 Self pumping seal for a reciprocating member |
| 02/10/1981 | CA1095357A1 Engine driven vacuum pump |
| 01/21/1981 | EP0022499A1 Twin membrane compressor, particularly for aeration and such of aquaria |
| 07/15/1980 | US4212598 Traffic-operated air-powered generating system |
| 03/11/1980 | CA1073416A1 Vacuum bottle with pump dispenser |
| 01/15/1980 | CA1069761A1 Tracheal suction pump designed primarily for life-saving purposes |
| 12/25/1979 | US4180377 Valve element for an air pump |
| 12/18/1979 | US4179244 Rotary low pressure air displacement pump |
| 11/20/1979 | CA1066626A1 Air-pump system for reciprocating engines |
| 10/09/1979 | US4170439 Twin air pump |
| 08/14/1979 | US4164383 Water wave energy conversion device using flexible membranes |
| 07/31/1979 | US4162876 Electromagnetically driven diaphragm pump |
| 05/29/1979 | US4156416 Engine driven vacuum pump |
| 05/15/1979 | US4154559 Electromagnetic reciprocating pump |
| 01/30/1979 | US4137020 Diaphragm type air pump |
| 01/30/1979 | US4137016 Valve mechanism for an air pump |
| 12/20/1978 | EP0000093A1 A pump dispenser for a vacuum bottle |
| 10/10/1978 | CA1040165A1 Fluid compressing apparatus |
| 09/12/1978 | US4113147 Vacuum bottle with air pump to pressurized bottle to effect dispensing |
| 06/27/1978 | US4096692 Air-pump system for reciprocating engines |
| 04/25/1978 | US4086037 Diaphragm pump |
| 04/25/1978 | US4085586 Secondary air supply system for internal combustion engines |
| 04/18/1978 | US4084373 Secondary air supply system for internal combustion engines |
| 03/28/1978 | US4081224 Apparatus for compressing gas in response to vehicular traffic |
| 01/24/1978 | US4070133 Pump compressor unit for use with pumping draft beer |
| 09/20/1977 | US4049366 Diaphragm pump |
| 09/06/1977 | US4046137 Solenoid operated blood pump drive system |
| 07/05/1977 | US4033091 Pressurizing closure apparatus |
| 05/03/1977 | US4021164 Pump having reciprocating pumping means |
| 04/05/1977 | US4015913 Diaphragm air pump |
| 09/21/1976 | US3981636 Diaphragm vacuum pump |
| 09/21/1976 | US3981319 Cycling air volume control |
| 07/13/1976 | US3969045 Diaphragm vacuum pump for vehicles |
| 05/04/1976 | US3954352 Diaphragm vacuum pump |
| 04/20/1976 | US3951046 Push rod and tappet assembly |
| 04/20/1976 | US3950946 Vacuum producing system |
| 03/30/1976 | US3947156 Diaphragm pump, particularly for the generation of vacuum |
| 02/03/1976 | US3936245 Fluid compressing apparatus |
| 02/03/1976 | US3936237 Membrane-air pump adapted to function as a tachometer |