| 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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| 05/19/1987 | CA1221874A1 Piston with composite retention valve |
| 05/12/1987 | US4664606 Reciprocating pump for fluids, specifically such contaminated by solids |
| 04/29/1987 | CN85201488U Radially adjustable piston assembly of slurry pump |
| 04/21/1987 | US4659293 Pumping system with air conveyance and method |
| 04/09/1987 | WO1987002117A1 Device for supplying a pump with a diphase fluid and plant for producing hydrocarbons comprising such a device |
| 03/31/1987 | US4653990 Positive double-piston displacement pump conveying pasteous material |
| 03/18/1987 | EP0214394A2 Diaphragm pump |
| 03/12/1987 | DE3530662A1 Apparatus for lining tunnel tubes or galleries with pumped or air-placed concrete |
| 03/12/1987 | DE3530550A1 Appliance for admixing a liquefacient to viscous construction materials |
| 03/11/1987 | EP0213419A1 Control valve for high density liquid pumps |
| 03/11/1987 | CN86203297U Combined slurry pump |
| 03/11/1987 | CN86203218U Diaphragm pot for slurry pump |
| 03/11/1987 | CN86105968A Control valve for viscous material pump |
| 02/10/1987 | US4641679 Feed device for a two-phase fluid pump and a hydrocarbon producing installation with such feed device |
| 01/27/1987 | US4639197 Pump for cryogenic fluids |
| 01/24/1987 | CN85101479A Sealing device for a concrete pump |
| 01/20/1987 | US4637295 Pump seal with curved backup plate |
| 01/06/1987 | US4634352 Cement pump with valve manifold control |
| 12/30/1986 | US4632646 Squeeze pump |
| 12/30/1986 | EP0205569A1 Mud pump. |
| 12/23/1986 | CA1215578A1 Twin cylinder pumps, more specially for concrete |
| 12/09/1986 | US4627328 Hydraulic actuator-control arrangement for concrete pump |
| 12/02/1986 | US4625572 Cylinder pump |
| 11/26/1986 | EP0202714A1 A pump with an electronically controllable stroke volume |
| 11/12/1986 | EP0201389A1 Linear peristaltic pump for transferring concrete or other material |
| 11/05/1986 | EP0200026A2 Pump |
| 11/04/1986 | US4621017 Silicon carbide layer, impregnated with aluminum phosphate |
| 10/21/1986 | US4618425 Pump for pumping corrosive fluids |
| 10/15/1986 | EP0197632A2 Actuator for a reciprocating slurry pump |
| 10/15/1986 | EP0197402A2 Device for transporting thick matter suspensions and method for its operation |
| 10/15/1986 | EP0104215B1 Dosing pump |
| 10/14/1986 | US4617232 Corrosion and wear resistant graphite material |
| 09/30/1986 | US4614483 Device for sealing a concrete pump |
| 09/23/1986 | US4613290 For viscous flowables |
| 09/23/1986 | CA1211661A1 Production of corrosion and erosion resistant solid carbon articles |
| 09/16/1986 | US4611973 Pumping system and method of operating the same |
| 08/05/1986 | US4604037 Slurry pumping apparatus for solid-liquid separation |
| 07/30/1986 | EP0188611A1 Duplex plunger pump |
| 07/23/1986 | EP0187735A1 Displacement pump. |
| 07/22/1986 | CA1208076A1 Pump |
| 07/08/1986 | US4599053 Displacement pump for abrasive and difficult to pump fluids |
| 07/08/1986 | US4598630 Double acting self-flushing pump |
| 07/02/1986 | EP0185943A2 Pump unit for cryogenic fluids |
| 06/25/1986 | CN85200362U Biconical piston and installation tool |
| 06/19/1986 | WO1986003560A1 Mud pump |
| 06/11/1986 | EP0183729A1 Liquid metal pump with isolator assembly |
| 06/11/1986 | CN85201587U Low frequency, big amplitude, automatic, reciprocating, hydraulic pressure mortar pump |
| 05/27/1986 | US4591315 Piston with composite retention valve |
| 05/27/1986 | CA1204963A1 Pump of displacement type |
| 05/20/1986 | CA1204629A1 Method and apparatus for pumping heavy viscous materials |
| 05/14/1986 | CN85201334U Unchanging up stroke infinitely adjustable slush pump |
| 04/08/1986 | US4580954 Oscillating-deflector pump |
| 04/02/1986 | EP0175929A2 Twin cylinder slurry pump with a pipe switch |
| 03/26/1986 | EP0175391A2 Slurry pumping apparatus for solid-liquid separation |
| 03/19/1986 | EP0174309A1 A pump for pumping corrosive fluids. |
| 03/18/1986 | US4576557 Cryogenic liquid pump |
| 03/12/1986 | EP0174269A2 Pump for cryogenic fluids |
| 03/11/1986 | US4574591 Clearance seals and piston for cryogenic refrigerator compressors |
| 02/27/1986 | WO1986001260A1 Duplex plunger pump |
| 02/12/1986 | CN85201391U Built-up crankshaft of drilling slurry pump |
| 02/11/1986 | US4569642 Slurry pump |
| 02/11/1986 | CA1200479A1 High pressure helium pump for liquid or supercritical gas |
| 01/28/1986 | US4566485 Free-floating neutrally-buoyant reciprocating pump valve for abrasive fluids |
| 01/15/1986 | EP0167635A1 Hydraulic circuit for the control of reciprocating pistons pump |
| 01/07/1986 | US4563135 Pump for concrete or the like |
| 12/24/1985 | US4559786 High pressure helium pump for liquid or supercritical gas |
| 12/10/1985 | US4557669 Pumping apparatus |
| 12/05/1985 | WO1985005411A1 Liquid metal pump with isolator assembly |
| 12/03/1985 | US4556370 Twin cylinder pumps, more specially for concrete |
| 11/26/1985 | US4554791 Apparatus for conveying liquids |
| 10/30/1985 | EP0159657A1 Cylinder pump |
| 09/24/1985 | US4543044 Constant-flow-rate dual-unit pump |
| 09/17/1985 | US4541779 Mud pump |
| 08/20/1985 | US4536140 Pump apparatus and system for containing and metering uniform pulses of a small amount of a hazardous liquid |
| 08/13/1985 | US4535326 Liner deterioration warning for fluid movers |
| 08/07/1985 | EP0150819A2 Device and method for wet cleaning of coking furnaces |
| 08/07/1985 | EP0150575A2 Pump and system employing said pump |
| 08/06/1985 | US4533300 High pressure pumping apparatus for semi-fluid material |
| 07/09/1985 | US4527957 Piston pump |
| 07/02/1985 | US4526514 Apparatus for pumping a viscous mass |
| 06/18/1985 | US4523903 Dosing pump |
| 06/04/1985 | US4521163 Oscillating displacement pump |
| 05/28/1985 | US4519753 Displacement pump suitable for pumping suspensions |
| 05/14/1985 | US4516479 In a reciprocating piston pump for pumping fluids |
| 05/07/1985 | US4515537 Dosing pump |
| 05/02/1985 | EP0138927A1 Piston pump for liquid media contaminated by solid materials. |
| 03/19/1985 | CA1184072A1 Hydraulic sleeve valve and seal arrangement for piston pump |
| 03/14/1985 | WO1985001085A1 Displacement pump |
| 02/19/1985 | US4500267 Mud pump |
| 02/19/1985 | US4500261 Pump means for pumping a mixture of coarse-grained material and fluid |
| 01/29/1985 | US4496292 Electromagnetic fuel delivery and metering pump |
| 01/22/1985 | US4494415 Liquid nitrogen pump |
| 01/15/1985 | CA1180946A1 Two-cylinder pump for heavy flowable materials, such as concrete |
| 01/08/1985 | US4492538 Squeeze pump |
| 12/25/1984 | US4490096 Pump system for liquid/solid materials with balanced output |
| 12/04/1984 | US4486156 Concrete pump with buttressed distribution pipe |
| 11/08/1984 | WO1984004363A1 A pump for pumping corrosive fluids and a method of circulating corrosive fluids using such a pump |
| 10/17/1984 | EP0122185A1 Process and apparatus for pumping a thick viscous mass |
| 10/11/1984 | WO1984003913A1 Piston pump for liquid media, particularly for media contaminated by solid materials |
| 09/19/1984 | EP0118749A1 Pump, particularly for concrete |