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