| Patents for F04B 15 - Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts (3,388) |
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| 09/18/1984 | US4472118 Multi-way valves for pumps for conveying heavy flowable materials |
| 09/11/1984 | US4470771 Quadraplex fluid pump |
| 08/21/1984 | US4466782 Valve unit for use in concrete pumps |
| 08/14/1984 | US4465441 Two-cylinder pump for heavy flowable materials, such as concrete |
| 07/04/1984 | EP0112404A1 Two cylinder viscous liquid pump, especially a concrete pump |
| 07/03/1984 | US4457670 Methods and apparatus for pumping compressible dynamoelectric machine lubricant material |
| 06/26/1984 | US4455921 Piston-type concrete pump |
| 06/12/1984 | US4453454 Mud pump liner and piston cleaner |
| 05/22/1984 | US4449897 Single-acting piston pump having two heads |
| 05/08/1984 | US4447195 High pressure helium pump for liquid or supercritical gas |
| 05/08/1984 | CA1166895A1 Pump |
| 04/24/1984 | CA1166204A1 Apparatus for pumping a powdery or granular material |
| 04/04/1984 | EP0104215A1 Dosing pump. |
| 03/28/1984 | EP0103906A1 Positive displacement member of a piston pump |
| 03/20/1984 | US4437817 Two cylinder viscous material pump |
| 02/14/1984 | US4431386 Concrete-pump assembly |
| 02/14/1984 | CA1162104A1 Device for pumping free-flowing media |
| 01/31/1984 | CA1161303A1 High pressure pumping apparatus for semi-fluid material |
| 12/20/1983 | US4421464 Liquid helium pump |
| 12/20/1983 | CA1158920A1 Two cylinder viscous material pump |
| 12/06/1983 | US4418544 Pump for very cold liquids |
| 11/01/1983 | CA1156090A1 Control valve for viscous material pumps |
| 11/01/1983 | CA1156089A1 Viscous material pump, in particular for the conveyance of concrete |
| 10/25/1983 | US4411601 Pump for metering two distinct fluids |
| 10/13/1983 | WO1983003447A1 Dosing pump |
| 09/21/1983 | EP0088952A1 Positive displacement member of a piston pump |
| 09/20/1983 | US4405289 Apparatus for pumping a powdery or granular material |
| 08/31/1983 | EP0087131A1 High pressure helium pump for liquid or supercritical gas |
| 08/10/1983 | EP0085521A1 Slurry pump |
| 08/02/1983 | US4396363 Small reciprocating pump |
| 08/02/1983 | US4396362 Cryogenic reciprocating pump |
| 08/02/1983 | US4396354 Cryogenic pump and method for pumping cryogenic liquids |
| 07/12/1983 | US4392510 Control valve for viscous material pumps |
| 07/05/1983 | US4391571 Pumping apparatus for pumping liquids such as slurrys |
| 06/14/1983 | US4388051 Piston pump with intake valve |
| 06/09/1983 | WO1983001983A1 Pump systems |
| 06/07/1983 | US4386889 Radial wave pump |
| 06/01/1983 | EP0080385A1 Pump systems |
| 05/11/1983 | EP0078384A1 Pump of displacement type |
| 05/10/1983 | US4382752 Twin-cylinder pump, in particular for pumping thick liquids |
| 05/04/1983 | EP0077842A1 Pumping device |
| 04/26/1983 | CA1145203A1 High pressure piston and seal |
| 03/30/1983 | EP0075020A1 Squeeze pump |
| 03/29/1983 | US4378183 Apparatus and method for pumping hot, erosive slurry of coal solids in coal derived, water immiscible liquid |
| 03/16/1983 | EP0073940A2 Proportioning pump |
| 03/15/1983 | CA1142793A1 Manure transfer pump |
| 02/15/1983 | US4373875 Viscous material pump, in particular for the conveyance of concrete |
| 02/09/1983 | EP0022851B1 Twin-cylinder pump, in particular for pumping thick liquids |
| 01/25/1983 | US4369898 Filling machine |
| 01/12/1983 | EP0069324A2 Pump apparatus for very cold liquids |
| 12/28/1982 | US4365942 Liquid helium pump |
| 12/21/1982 | CA1137814A1 Pump |
| 11/09/1982 | US4358257 Piston pump installation and method of operating the same |
| 10/20/1982 | EP0062766A1 Multiple-way valve for slurry pumps |
| 09/22/1982 | EP0060391A2 Fluid-pumping method within an absorption heat pump for carrying out the method |
| 09/21/1982 | US4350266 Pumping system for unstable fluids |
| 09/21/1982 | CA1132029A1 Apparatus for continuous slurry displacement transfer |
| 08/31/1982 | CA1130646A1 Ram type pump |
| 08/24/1982 | US4345883 High pressure pumping apparatus for semi-fluid material |
| 08/24/1982 | CA1130150A1 Pumping system for unstable fluids |
| 08/11/1982 | EP0057288A1 Two cylinder pump for viscous materials, particularly a concrete pump with a connecting element pivoting in front of a two orifice plate beside the cylinders |
| 08/10/1982 | US4343598 Viscous material pump, particularly for concrete |
| 06/29/1982 | US4337017 Hydraulic sleeve valve and seal arrangement for piston pump |
| 06/24/1982 | WO1982002075A1 Squeeze pump |
| 06/23/1982 | EP0054198A1 Pump |
| 06/16/1982 | EP0053920A1 Pumping of liquids |
| 06/08/1982 | US4333977 Wear-resistant article |
| 04/15/1982 | WO1982001223A1 Device for feeding viscous liquids |
| 04/01/1982 | WO1982001040A1 Apparatus and method for pumping hot,erosive slurry of coal solids in coal derived,water immiscible liquid |
| 03/31/1982 | EP0048535A1 Apparatus and method for pumping hot, erosive slurry of coal solids in coal derived, water immiscible liquid |
| 03/30/1982 | US4322023 Material moving apparatus |
| 03/23/1982 | US4321016 Apparatus for continuous slurry displacement transfer |
| 03/10/1982 | EP0046902A2 Concrete pumping device |
| 03/09/1982 | CA1119462A1 High pressure fatigue and wear resistant cylinder assembly |
| 02/09/1982 | US4314797 Metering piston pump |
| 01/13/1982 | EP0043412A1 Single-acting piston pump for liquid helium |
| 01/06/1982 | EP0043011A1 Two-cylinder concrete pump |
| 01/05/1982 | US4309153 Electromagnetic fuel delivery and metering pump |
| 12/01/1981 | US4303378 Concrete pump |
| 10/07/1981 | EP0036945A2 Device for delivering fluid materials |
| 09/22/1981 | US4290737 Ram type pump |
| 09/02/1981 | EP0034745A1 Control slide valve for viscous matter pumps |
| 09/01/1981 | CA1108008A1 Pump |
| 08/11/1981 | CA1106693A1 Concrete pumping apparatus |
| 07/28/1981 | CA1105773A1 Combination autoclave pump and nozzle |
| 07/23/1981 | WO1981002043A1 High pressure pumping apparatus for semi-fluid material |
| 07/14/1981 | US4278408 Manure transfer pump |
| 06/23/1981 | US4274559 Pump for pumping viscous mixtures |
| 06/16/1981 | CA1103093A1 Pump for conveying cement |
| 06/16/1981 | CA1103092A1 Cement pump |
| 06/09/1981 | CA1102760A1 Filling machine to handle liquid products |
| 06/09/1981 | CA1102621A1 Pivotable pipe slide for use in a two cylinder concrete pump |
| 06/03/1981 | EP0029634A1 Fluid dispensing piston pump |
| 06/02/1981 | US4270440 High pressure piston and seal |
| 05/05/1981 | US4265375 Safety dispensing apparatus for flammable liquids |
| 04/28/1981 | CA1100015A1 Self cleaning manifold connection for slurry pump |
| 03/31/1981 | US4259042 Confectionary pumps |
| 03/31/1981 | US4258612 Piston pump for conveying concrete mixes |
| 03/18/1981 | EP0025361A1 A manure transfer pump |
| 03/04/1981 | EP0024343A1 Pump for the delivery of viscous substances, in particular for concrete |