Patents
Patents for F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members (9,236)
11/1977
11/15/1977US4058709 Control computer for fuel injection system
10/1977
10/25/1977US4055069 Portable manually controlled hydraulic pipe bending apparatus
10/11/1977US4053902 Fluid pump for a writing device
10/11/1977US4053901 Fluid pump for a writing device having an air ejector feature
10/11/1977US4053089 Pump for dispensing liquids
10/11/1977US4053086 Pumps for hand-held dispensers
10/04/1977US4051983 Pump sprayer
10/04/1977US4051877 Gas compression apparatus
09/1977
09/27/1977US4050613 Manual actuated dispensing pump
09/13/1977US4047845 Cyclic pump
09/06/1977US4046288 Plural chamber dispenser
08/1977
08/23/1977US4043709 Adjustable stop assembly
08/23/1977US4043122 Fluid cam assembly
08/16/1977US4042311 Pump fluid motor carrying spool valve for distributor valve actuation
08/09/1977US4040772 Fluid energy system
08/02/1977US4038983 Fluid infusion pump
07/1977
07/26/1977US4038511 Method for electropneumatic conversion
07/26/1977US4037992 Slurry continuous pressure-feeding apparatus
07/19/1977US4036564 Concrete pumping apparatus
07/19/1977US4036563 Wave motor comprised of a submerged floating network of chambers formed by walls permitting variable geometry
07/19/1977US4036124 Sludge press
07/12/1977US4035109 Pump for fluent, and especially heavy and abrasive materials
07/05/1977US4033513 Electromagnetically operated valve
06/1977
06/28/1977US4032263 Pump with coaxial inlet and outlet valve arrangement
06/28/1977US4032040 Method and control system for batching plural substances and pump system
06/21/1977US4030857 Paint pump for airless spray guns
06/14/1977US4029442 High pressure piston pump and wiper, sealing, valving structure
06/14/1977US4029440 High pressure fluid intensifier and method
06/07/1977US4028018 Non-pulsing apparatus
06/07/1977US4028014 Reversing means for double-acting fluid pump
05/1977
05/31/1977US4026439 Precision fluid dispensing and mixing system
05/31/1977US4026196 Device for driving a pump piston
05/24/1977US4025046 Liquid atomisers
05/17/1977US4023515 Floating wave powered pump
05/03/1977US4021164 Pump having reciprocating pumping means
05/03/1977US4021156 High pressure hydraulic system
05/03/1977US4021149 Fluid driven reciprocating pump
05/03/1977US4021148 Hydraulic fluid devices
05/03/1977US4020760 Printing ink metering pump
04/1977
04/26/1977US4019838 Air pressure-actuated double-acting diaphragm pump with means to produce a selected start-up position
04/26/1977US4019395 Piston drive assembly
04/12/1977US4017214 Packing gland leak retriever device
04/12/1977US4017031 Miniature atomizer of manual type
04/05/1977US4015913 Diaphragm air pump
03/1977
03/22/1977US4013385 Deep well pump system
03/22/1977US4013382 Wave power apparatus supported and operated by floats in water
03/15/1977US4012178 Hydraulic pump with replaceable pumping member
03/15/1977US4012174 Fuel priming pump
03/15/1977US4012173 Variable stroke compressor
03/15/1977US4011723 Fluid power system
03/01/1977US4009971 Electric motor-driven, double-acting pump having pressure-responsive actuation
02/1977
02/22/1977US4008984 Pump apparatus
02/08/1977US4006797 Cam actuated lubrication pump
01/1977
01/25/1977US4004865 Pump with yieldable radial partitions and rotatable side plates
01/25/1977US4004863 Hydraulic pump with remote control equipment
01/25/1977US4004420 Hydropneumatic pumping arrangement
01/18/1977US4003679 High pressure pump with metering
01/11/1977US4002184 Water flow actuated air charging device
12/1976
12/28/1976US3999899 Diaphragm fluid pump
12/28/1976US3999896 Continuously operating piston pump
12/28/1976US3999895 Rotating barrel pump
12/21/1976US3998569 Apparatus for use as a gas compressor or gas blower
12/14/1976US3997081 Apparatus for controlling the operation of a package filling device
12/07/1976US3995779 Aerosol container
12/07/1976US3995774 Liquid dispenser having deformable diaphragm type pump
12/07/1976US3995734 Manure transfer apparatus
11/1976
11/30/1976US3994627 Pumping apparatus for wet concrete
11/30/1976US3994134 Apparatus for power generation in deep seawater
11/09/1976US3990816 Double acting piston pump for cryogenic medium
11/09/1976US3990815 Flow control device
11/09/1976US3990611 Plural metering dispensers with wall securing rack
10/1976
10/26/1976US3987938 Dispensing pump
10/19/1976US3986355 Well head gas counter balanced and operated actuator for oil well pumps
10/12/1976US3985470 Dual pressure hydraulic pump
10/05/1976US3984033 Electric gun for dispensing of comestibles
10/05/1976US3983855 Fuel injection system
09/1976
09/28/1976US3982669 Hot melt dispensing apparatus and method
09/28/1976US3982663 Method and apparatus for metering thixotropic battery paste
09/21/1976US3981636 Diaphragm vacuum pump
09/21/1976US3981635 Material handling system
09/21/1976US3981632 Metering pump
09/21/1976US3981622 Hydraulic intensifier control system
09/21/1976US3981414 Beverage dispensing system
09/14/1976US3980231 Proportioning sprayer device
09/14/1976US3980209 Bulk loading plastic compound dispensing device
09/07/1976US3979027 Product pressurized compressed air dispenser having improved product control valve actuator
09/07/1976US3979023 Dispenser for flowable material
08/1976
08/31/1976US3977443 Method of and apparatus for controlling pumps in looms with jet weft insertion
08/24/1976US3976401 Pump for abrasive slurries and the like
08/24/1976US3976229 Hot melt dispensing apparatus
08/03/1976US3972387 Lubrication system with quick-change supply reservoir
07/1976
07/27/1976US3971330 Propulsion pump for water borne vessels
07/27/1976US3971259 Fluid transducer
07/27/1976US3971213 Pneumatic beam pumping unit
07/20/1976US3970415 One way valve pressure pump turbine generator station
07/13/1976US3969046 Metering pump system
07/13/1976US3968735 Control device for a fluidic-control jack
07/06/1976US3967634 Flow ratio control system
07/06/1976US3967612 Lubricating oil pump for use in an internal combustion engine
07/06/1976US3967542 Hydraulic intensifier
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