| Patents for F04B 7 - Piston machines or pumps characterised by having positively-driven valving (2,226) |
|---|
| 11/02/1976 | US3989420 Concrete pumping apparatus |
| 10/05/1976 | US3983855 Fuel injection system |
| 09/28/1976 | US3982857 Support means for movable connector in concrete pump arrangement |
| 09/28/1976 | US3982663 Method and apparatus for metering thixotropic battery paste |
| 09/07/1976 | US3979027 Product pressurized compressed air dispenser having improved product control valve actuator |
| 08/31/1976 | US3977443 Method of and apparatus for controlling pumps in looms with jet weft insertion |
| 07/27/1976 | US3971494 Valve system for filling machines |
| 07/13/1976 | US3969046 Metering pump system |
| 07/06/1976 | US3967634 Flow ratio control system |
| 07/06/1976 | US3967612 Lubricating oil pump for use in an internal combustion engine |
| 06/15/1976 | US3963385 Valve assembly for concrete pumps |
| 06/15/1976 | US3963380 Micro pump powered by piezoelectric disk benders |
| 05/25/1976 | US3958903 Positive displacement device |
| 05/25/1976 | US3958902 Electromagnetic pump |
| 04/20/1976 | US3951574 Reciprocating plunger type pump with stroke adjustment means |
| 04/20/1976 | US3951167 Fluid handling assembly |
| 04/06/1976 | US3948607 Transfer system for use in analysis apparatus |
| 03/23/1976 | US3945770 High pressure pump |
| 03/23/1976 | US3945768 Fluid motor drives pump having an active inlet valve |
| 03/23/1976 | US3945766 Radial piston machine |
| 03/02/1976 | US3941518 Steam-spray iron |
| 02/17/1976 | US3938622 Chain saw oil pump with overload protection |
| 01/27/1976 | US3934813 Concrete pump valve |
| 01/27/1976 | US3934625 Food dispensing valve means and control system for automatic container filling machines |
| 01/13/1976 | US3932065 Pneumatically controlled liquid transfer system |
| 01/06/1976 | US3930762 Apparatus for use as a gas compressor or gas blower |