| Patents for F04B 13 - Pumps specially modified to deliver fixed or variable measured quantities (2,234) |
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| 04/12/1988 | US4737079 Variable capacity wobble plate compressor |
| 03/23/1988 | EP0260760A2 Liquid chromatograph |
| 03/23/1988 | EP0260464A1 Dosing pump |
| 03/23/1988 | EP0260463A1 Dosing pump |
| 03/17/1988 | DE3630992A1 Apparatus for metering and mixing materials |
| 03/15/1988 | US4730992 Continuously operable hydraulic device |
| 03/15/1988 | US4730986 Variable displacement wobble plate type compressor with wobble angle control valve |
| 03/09/1988 | EP0258688A2 Metering device for feeding liquids to a mixing head |
| 02/24/1988 | EP0256624A2 Variable capacity vane compressor |
| 02/10/1988 | EP0255791A1 Device for injecting an additional product into a principal fluid |
| 02/10/1988 | CN87105287A Inprovement to devices for the injection of additive product metered into main fluid |
| 02/04/1988 | DE3624976A1 Device for metering and transporting liquid and pasty media |
| 01/12/1988 | USRE32577 Fluid pumping device for use with a fluid pump |
| 12/29/1987 | US4715795 Metering pump |
| 12/29/1987 | US4715791 Metering pump |
| 12/22/1987 | US4714545 Fluid proportioning pump system |
| 12/09/1987 | EP0248514A1 System and method for dispensing metered quantities of a fluid |
| 12/09/1987 | EP0248110A2 Valveless positive displacement metering pump |
| 12/08/1987 | CA1230008A1 Fluid driven pump with one-way valve in fluid inlet |
| 11/25/1987 | CN87102904A 负压计量泵 Negative pressure metering pump |
| 10/27/1987 | US4702674 Method of accurately setting the flow rate of a variable-flow metering pump, and a metering pump employing the method |
| 10/15/1987 | DE3709554A1 Verfahren und vorrichtung zum dosieren und mischen von fluessigfarbstoffen Method and device for dosing and mixing of fluessigfarbstoffen |
| 10/14/1987 | EP0240658A1 Fluid proportioning pump system |
| 09/17/1987 | DE3607115A1 Pneumatic pump control for at least one feed pump |
| 08/13/1987 | WO1987004586A1 Device for injecting a fluid into a network |
| 08/12/1987 | EP0231648A1 Variable capacity vane compressor |
| 08/04/1987 | US4684332 Ratio pump and method |
| 07/29/1987 | EP0230312A2 Method and device for proportioning and mixing multicomponent plastics, especially polyurethane |
| 07/21/1987 | US4681242 Solvent pump |
| 07/15/1987 | EP0228628A2 Precision dosing pump for liquids, especially for use in HPLC technology |
| 07/09/1987 | DE3600343A1 Fine-dosing pump for liquids, in particular for use in HPLC technology |
| 07/09/1987 | DE3600342A1 Fine-dosing pump for liquids, in particular for use in HPLC technology |
| 07/09/1987 | DE3600341A1 Fine-dosing pump for liquids, in particular for use in HPLC technology |
| 06/24/1987 | EP0226070A2 Pump arrangement for delivering measured quantities of at least two components |
| 06/23/1987 | US4674659 Universal sequential dispensing pump system |
| 06/16/1987 | US4673296 Mixing pump for transport and effective mixing (homogenization) of two or more liquids (gases) with a constant, but adjustable, ratio of the liquids |
| 06/10/1987 | EP0225126A1 Variable capacity vane compressor |
| 05/27/1987 | EP0223643A1 Process to define exactly the flow rate of a dosing pump, and such a pump |
| 05/27/1987 | EP0223568A2 Ratio pump |
| 05/26/1987 | US4667709 Arrangement for dosingly filling of fluent filling material into containers |
| 04/08/1987 | EP0217699A1 Motor device of the piston liquid meter type, especially for a dosing pump |
| 04/07/1987 | US4655690 Bellows pump having adjustable stop cam for varying the stroke |
| 03/18/1987 | CN86105995A Driving device of metering pump specially for piston flowmeter |
| 01/21/1987 | CN85105455A Mixing pump used for delivering and effective mixing (homogenizing) of two or more liquids (gases) with constant (but adjustable) proportion of liquids |
| 01/08/1987 | DE3523484A1 High-pressure press for injecting liquid plastics in the construction field |
| 11/25/1986 | US4624625 High pressure metering pump |
| 11/12/1986 | EP0200722A1 Metering device |
| 11/11/1986 | US4621567 Beam pump |
| 10/15/1986 | EP0104215B1 Dosing pump |
| 09/16/1986 | US4611982 Injection-molding system for the processing of casting resin |
| 09/10/1986 | EP0193752A1 Dosing pump |
| 09/02/1986 | US4609128 Volumetric measuring-dosing device for fluids |
| 07/29/1986 | CA1208508A1 Fluid pressure actuated motor with pneumatically- coupled pistons |
| 07/08/1986 | US4599049 High pressure meter pump |
| 04/23/1986 | EP0178750A2 Method of operating a positive displacement pump |
| 02/19/1986 | EP0172076A1 Metering-dosing device for fluids |
| 02/12/1986 | EP0170687A1 Apparatus for use in the injection or application of a filling, binding or coating composition consisting of two components |
| 01/21/1986 | US4565504 Pneumatic metering pump apparatus |
| 12/17/1985 | US4558715 Apparatus for injecting measured quantities of liquid into a fluid stream |
| 11/26/1985 | US4555221 Fluid pumping device for use with a fluid pump |
| 11/26/1985 | CA1197220A1 Actuator for a dosing pump, especially for a paint dosing machine |
| 11/12/1985 | US4552101 Fluid pressure actuated motor with pneumatically-coupled pistons |
| 11/05/1985 | US4551076 Fluid driven pump with one-way valve in fluid inlet |
| 09/17/1985 | US4541365 Method and apparatus for supplying feedwater to a forced flow boiler |
| 08/15/1985 | WO1985003555A1 Apparatus for use in the injection or application of a filling, binding or coating composition consisting of two components |
| 07/09/1985 | CA1190091A1 Synchronized mixing pump |
| 06/18/1985 | US4523903 Dosing pump |
| 06/05/1985 | EP0143521A2 Pump having piston and cylinder rotatable respectively about spaced axes transverse to the reciprocating axis |
| 06/04/1985 | CA1188271A1 Valve actuator for a dosing pump for a paint toning machine |
| 05/15/1985 | EP0141068A2 Dosing pump having a plunger |
| 05/09/1985 | WO1985001993A1 Metering device |
| 05/07/1985 | US4515537 Dosing pump |
| 03/27/1985 | EP0135010A1 Bellows pump |
| 03/19/1985 | US4505405 Proportional pumping system |
| 03/12/1985 | US4503721 Valve actuator for a dosing pump for a paint toning machine |
| 02/26/1985 | CA1182998A1 Liquid dispensing apparatus |
| 01/29/1985 | US4496292 Electromagnetic fuel delivery and metering pump |
| 01/22/1985 | US4494676 Multi-component delivery apparatus |
| 01/22/1985 | CA1181509A1 Pulsation-free volumetric pump |
| 12/11/1984 | US4487603 Implantable microinfusion pump system |
| 10/30/1984 | US4479758 Piston filler |
| 10/02/1984 | CA1175317A1 Power assisted check valve |
| 09/12/1984 | EP0117969A2 Dosing piston pump with diaphragm |
| 07/03/1984 | US4457340 Power-assisted valve, particularly for systems handling viscous materials |
| 06/13/1984 | EP0110117A2 Implantable microinfusion pump system |
| 06/05/1984 | US4452573 Variable pilot chemical pump |
| 05/22/1984 | US4449650 Metering pump especially for volatile materials |
| 05/08/1984 | CA1166895A1 Pump |
| 04/24/1984 | CA1166073A1 Two-component metering pump |
| 04/10/1984 | US4441862 Synchronized mixing pump |
| 04/04/1984 | EP0104215A1 Dosing pump. |
| 02/14/1984 | CA1162104A1 Device for pumping free-flowing media |
| 02/07/1984 | CA1161644A1 Liquid injecting method and apparatus |
| 01/18/1984 | EP0098419A1 Equipment for the addition of a disinfectant to water |
| 01/10/1984 | CA1160101A1 Pump |
| 01/10/1984 | CA1160100A1 Proportional pumping system |
| 10/25/1983 | US4411601 Pump for metering two distinct fluids |
| 10/13/1983 | WO1983003447A1 Dosing pump |
| 10/12/1983 | EP0090919A1 Dispensing pump for liquids |
| 09/27/1983 | US4406158 Apparatus and method for temperature correction of liquid chromatography |