| Patents for F04C 13 - Adaptations of machines or pumps for special use, e.g. for extremely high pressures (1,349) |
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| 11/02/1982 | CA1134674A1 Gear pump with means for dispersing gas into liquid |
| 10/06/1982 | EP0061630A1 Flushable gear pump |
| 08/10/1982 | US4343602 Gear wheel pump with reduced power requirement |
| 06/22/1982 | US4336213 Including a gear pump |
| 04/20/1982 | US4325682 Apparatus for discharging material |
| 01/20/1982 | EP0043947A1 Power steering pump |
| 10/07/1981 | EP0037294A2 Single screw pump installation for the transport of pasty products possessing a high viscosity |
| 10/06/1981 | US4293290 Positive displacement rotary pump with bearings in countersunk portions of the rotors |
| 09/22/1981 | US4290736 Oil pump having a suction and pressure pipe arrangement |
| 04/28/1981 | US4264214 Gear motor/mixer |
| 03/10/1981 | US4255093 Combined lift and metering pump |
| 02/10/1981 | US4249838 Sealed flight screw injector |
| 12/23/1980 | US4240567 Pump |
| 12/16/1980 | US4239470 Thick stock pump having flexible blades |
| 06/24/1980 | CA1080035A1 Vessel pump |
| 03/18/1980 | US4193745 Gear pump with means for dispersing gas into liquid |
| 03/18/1980 | US4193743 Oscillatory pump for the transport of viscous materials |
| 01/08/1980 | US4182499 Macerator pump |
| 12/25/1979 | CA1068543A Meat pump with rotary actuator |
| 12/04/1979 | US4177022 Vessel pump |
| 11/27/1979 | CA1066950A1 Power steering pump |
| 10/30/1979 | CA1065188A1 Piston pump for conveying semi-fluid materials |
| 10/23/1979 | CA1064695A1 Apparatus for melting and dispensing thermoplastic material |
| 09/04/1979 | CA1061643A1 Pump, especially for conveying construction materials |
| 08/21/1979 | CA1060856A1 Plastic material pumping and dispensing |
| 05/08/1979 | US4153400 Rotary pumps circulating pumped fluid to seal |
| 01/30/1979 | US4137023 Low energy recovery compounding and fabricating apparatus for plastic materials |
| 10/31/1978 | US4123205 Rotary vane pump with sealing means |
| 08/08/1978 | US4105377 Hydraulic roller motor |
| 07/04/1978 | US4098359 Hydraulically operated downhole motor |
| 02/28/1978 | US4076466 Fluid pump for use in explosive bore holes |
| 02/14/1978 | US4073605 Rotary pump construction with cleaning feature |
| 02/14/1978 | US4073409 Hot melt dispenser with removeable pump in follower |
| 11/29/1977 | US4060349 Continuous flow, oscillating piston meat pump |
| 06/28/1977 | US4032391 Low energy recovery compounding and fabricating systems for plastic materials |
| 06/28/1977 | US4032049 Food product stuffing pump with vacuum line |
| 06/07/1977 | US4028027 Screw housing for a screw machine |
| 05/24/1977 | US4025056 Mixing apparatus |
| 04/12/1977 | US4017222 Pump for use in a paint application apparatus |
| 04/05/1977 | US4015828 Injection of additives into liquid streams |
| 03/15/1977 | US4011917 Process and universal downhole motor for driving a tool |
| 03/01/1977 | US4009974 Method and apparatus for pumping viscous material |
| 11/02/1976 | US3989418 Fluid pump for use in explosive bore holes |
| 09/21/1976 | US3981416 Apparatus for melting and dispensing thermoplastic material |
| 08/24/1976 | US3976405 Pump |
| 06/22/1976 | US3964645 Apparatus for melting and dispensing thermoplastic material |
| 02/03/1976 | US3936246 Mixing pump and method of mixing using same |
| 01/13/1976 | US3932302 Foam generator |
| 01/06/1976 | US3930763 Rotary cell pump for the conveying of sausage stuffing and the like |