Patents for F04B 53 - Component parts, details or accessories not provided for in, or of interest apart from, groups or (19,443) |
---|
06/29/1976 | US3965736 Clamp-on transducer for well unit |
06/08/1976 | US3961562 Multiple pump assembly |
05/25/1976 | US3958903 Positive displacement device |
05/25/1976 | US3958902 Electromagnetic pump |
05/25/1976 | US3958901 Axial piston pump |
05/25/1976 | US3958898 Pump control systems |
05/25/1976 | US3958589 Siphon |
05/25/1976 | US3958346 Multiple pumping chamber dredging apparatus |
05/18/1976 | US3958049 Method of inspecting and treating sucker rod |
05/18/1976 | US3957401 Fluid pump assembly |
05/11/1976 | US3955822 Rod pump stuffing box control system |
05/04/1976 | US3954354 Sliding piston pump, especially for vapourizers |
05/04/1976 | US3954048 High pressure actuator |
04/27/1976 | US3953155 Pump plunger |
04/27/1976 | US3953037 Polished rod protector and receiver |
04/27/1976 | US3952772 Intake piece adapted for emptying containers with liquid |
04/20/1976 | US3951574 Reciprocating plunger type pump with stroke adjustment means |
04/20/1976 | US3951568 Pump check valve control apparatus |
04/20/1976 | US3951167 Fluid handling assembly |
04/13/1976 | US3949567 Centrifugal pump assembly |
04/06/1976 | US3948589 Primer valve |
04/06/1976 | US3948149 Piston machine construction |
03/30/1976 | US3947158 Oil well pump with resilient plunger cup means |
03/30/1976 | US3947157 Single cylinder pump |
03/30/1976 | US3946694 Automatic emergency bilge water pumpout system |
03/23/1976 | US3945795 Means for preventing damage to jacketed flexible pumping strand |
03/23/1976 | US3945774 Anchorable pack-off assembly |
03/23/1976 | US3945772 Pumps for transferring small quantities of dosed liquids |
03/23/1976 | US3945770 High pressure pump |
03/23/1976 | US3945768 Fluid motor drives pump having an active inlet valve |
03/23/1976 | US3945767 Damper apparatus |
03/16/1976 | US3943828 Rotary machines |
03/09/1976 | US3942916 Dosing device particularly for small quantities of liquid |
03/02/1976 | US3941519 Pump |
03/02/1976 | US3941518 Steam-spray iron |
03/02/1976 | US3941516 Waterwell pump assembly |
02/24/1976 | US3939910 Stuffing box and blow out preventing device for polish rods of oil well pumping units |
02/17/1976 | US3938912 Horizontal type hydrohoist |
02/17/1976 | US3938711 Self priming mechanism for dispenser |
02/17/1976 | US3938425 Pump stroke adjustment device |
02/10/1976 | US3937130 Low friction seal assembly |
01/13/1976 | US3931755 Pump |
01/06/1976 | US3930875 Sintered mixture of rare earth oxide, metal silicate, aluminum oxide and nitride |