| Patents for F04B 23 - Pumping installations or systems (4,078) |
|---|
| 03/17/1981 | US4256439 Power control system for multiple pumps |
| 02/24/1981 | US4252508 Pump unit |
| 02/10/1981 | CA1095510A1 Batching pump for lime concrete |
| 01/14/1981 | EP0022179A1 Metering device |
| 12/30/1980 | US4242052 Diffusion pump |
| 12/02/1980 | US4236877 Highly accurate low volume metering pump |
| 11/04/1980 | US4231719 Procedure and apparatus for degassing fuel supply pump |
| 11/04/1980 | US4231714 Hydraulic pump system |
| 09/16/1980 | US4222712 Multiple displacement pump system with bypass controlled by inlet pressure |
| 07/22/1980 | CA1082112A1 Lubrication pump |
| 07/01/1980 | US4210534 Multiple stage jet nozzle and aeration system |
| 06/03/1980 | US4205947 Method and apparatus for the ventilation of a fuel supply pump |
| 05/13/1980 | US4202656 Downhole hydraulically actuated pump with jet boost |
| 04/08/1980 | US4196758 Apparatus for testing the automatically operating control of a pump |
| 04/01/1980 | CA1074665A1 Centrifugal replenishing pump for a hydrostatic pump-motor system |
| 03/11/1980 | US4192361 Apparatus for filling capsules and the like |
| 01/15/1980 | US4183723 Rotary vane pump having multi-independent outputs due to stator surfaces of different contour |
| 12/11/1979 | US4177937 Constant pressure spraying apparatus |
| 12/04/1979 | US4177016 Self cleaning manifold connection for slurry pump |
| 11/20/1979 | US4174788 Batching plant for lime concrete |
| 08/21/1979 | CA1060856A1 Plastic material pumping and dispensing |
| 08/07/1979 | US4163368 Centrifugal replenishing pump for a hydrostatic pump motor system |
| 03/13/1979 | US4143995 Single drive motor device particularly to supply fluid conveyance tandem line systems |
| 03/06/1979 | CA1050074A1 Hydraulic conduit having pivoting and telescoping capability |
| 01/02/1979 | CA1045511A1 Charge pump augmenting device |
| 12/12/1978 | CA1044026A1 Fuel supply with an ejector boost pump |
| 11/28/1978 | CA1043165A1 Interconnected pump control means of a plurality of pumps |
| 10/31/1978 | US4122861 Pump support and fluid deflector assembly for parts washing machines |
| 09/19/1978 | US4114782 Pump coupling system for attachment to drum |
| 09/05/1978 | US4110983 Air operated hydraulic pump apparatus |
| 08/08/1978 | US4105369 Two-stage pump |
| 07/25/1978 | US4102606 Multiple displacement pump system having control sequence for unloading valve |
| 07/18/1978 | US4101251 Hydraulic conduit having pivoting and telescoping capability |
| 07/11/1978 | US4099597 Lubrication pump |
| 06/27/1978 | US4097199 Double acting rack and gear-driven piston pump |
| 05/16/1978 | US4089621 Selectively pressurized tank for hydraulic fluid |
| 05/02/1978 | US4087210 Hydraulic pumping device with pneumatic actuation |
| 03/21/1978 | US4080104 Wet-dry vacuum apparatus with pump means for discharging liquid therefrom |
| 03/14/1978 | US4078583 Automatic filling machine-valve assembly |
| 03/07/1978 | US4077428 Transportable water injection plant |
| 02/14/1978 | US4073409 Hot melt dispenser with removeable pump in follower |
| 12/06/1977 | US4061271 Control system for high pressure hydraulic system |
| 11/08/1977 | US4057174 Measuring liquid dispenser with flat top |
| 10/11/1977 | US4053901 Fluid pump for a writing device having an air ejector feature |
| 09/27/1977 | US4050858 Well pumping apparatus |
| 09/13/1977 | US4047845 Cyclic pump |
| 08/23/1977 | US4043122 Fluid cam assembly |
| 07/12/1977 | US4035115 Vane pump |
| 07/05/1977 | US4033706 Fluid delivery system with a jet pump booster and means to maintain a constant rate of flow through the jet nozzle |
| 06/28/1977 | US4032049 Food product stuffing pump with vacuum line |
| 06/07/1977 | US4028018 Non-pulsing apparatus |
| 05/24/1977 | US4025238 Apparatus for eliminating the effects of cavitation in a main pump |
| 05/17/1977 | US4023592 Pump and metering device |
| 03/29/1977 | US4014628 Supercharged three-section pump |
| 03/01/1977 | US4009971 Electric motor-driven, double-acting pump having pressure-responsive actuation |
| 02/15/1977 | US4008003 Valveless positive displacement pump |
| 01/18/1977 | US4003679 High pressure pump with metering |
| 01/18/1977 | US4003504 Pump frame |
| 12/28/1976 | US3999892 Interconnected pump control means of a plurality of pumps |
| 11/16/1976 | US3992133 Pressure fluid pump |
| 11/16/1976 | US3992131 Low speed pump |
| 10/26/1976 | US3987707 Multiple-unit pump |
| 10/26/1976 | US3987628 Charge pump augmenting device |
| 10/19/1976 | US3986435 Gas compressors and motors |
| 09/28/1976 | US3982856 Base and power unit for injection molding machine |
| 09/28/1976 | US3982669 Hot melt dispensing apparatus and method |
| 09/21/1976 | US3981703 Multistage vane type rotary compressor |
| 08/24/1976 | US3976124 Cooling-controlled tank for hydraulic fluid |
| 08/03/1976 | US3972387 Lubrication system with quick-change supply reservoir |
| 06/08/1976 | US3961562 Multiple pump assembly |
| 05/25/1976 | US3958902 Electromagnetic pump |
| 05/18/1976 | US3957006 Water transportable pump station |
| 04/27/1976 | US3953153 Multiple displacement pump system and method |
| 04/13/1976 | US3949644 Pneumatic-hydraulic pumping device |
| 03/30/1976 | US3946551 Pumping and metering system |
| 03/02/1976 | US3941505 Method and apparatus for pumping fuel |
| 02/10/1976 | US3937243 Pressure control valve |
| 01/06/1976 | US3930756 Metering pulse pump |