Patents
Patents for F04B 53 - Component parts, details or accessories not provided for in, or of interest apart from, groups or (19,443)
11/1981
11/04/1981EP0038906A1 Ring-shaped plate valve
11/03/1981US4298315 Positive displacement pump systems
10/1981
10/27/1981US4296678 Polish rod jack system
10/27/1981CA1111310A1 Adjustable suck-back device for sanitary pumps
10/07/1981EP0036945A2 Device for delivering fluid materials
10/06/1981US4293286 Double action pump
10/06/1981CA1110137A1 Intravenous liquid pumping system and method
09/1981
09/29/1981CA1109900A1 Packing assembly
09/29/1981CA1109838A2 Manually operative atomizer
09/16/1981EP0035570A1 Reciprocating pump
09/16/1981EP0035569A1 Reciprocating pump
09/08/1981US4288326 Rotary shaft driven reverse osmosis method and apparatus
09/08/1981CA1108358A1 Dispenser device
09/01/1981US4286636 Dip tube and valve with quick-disconnect coupling for a collapsible container
09/01/1981CA1108012A1 Oilroom
08/1981
08/25/1981US4285642 Pump piston cylinder assembly with exterior ring seals
08/25/1981US4285641 Hydraulic pump and valve
08/18/1981US4284391 Crashworthy fuel pump improvement
08/18/1981CA1107318A1 Pipe joint and method of assembly
08/18/1981CA1107254A2 Manually operative atomizer
08/18/1981CA1107144A1 Traveling oil pump valve
08/11/1981CA1106694A1 Dual piston pump with pressure seal lubrication feature
08/11/1981CA1106693A1 Concrete pumping apparatus
08/04/1981US4281590 Piston construction for reciprocating pumps
07/1981
07/28/1981US4280709 Piston rubber
07/28/1981CA1105802A1 Check valve assembly
07/28/1981CA1105773A1 Combination autoclave pump and nozzle
07/15/1981EP0032086A2 Water pumping installation with a regulable floating water intake
07/14/1981US4278365 Control system for controlling a plant including a mobile suction device for sucking suspendible material
07/07/1981US4277229 High pressure fluid delivery system
07/07/1981US4277228 Radial piston pump
06/1981
06/30/1981US4276003 Reciprocating piston pump system with screw drive
06/16/1981CA1103219A1 Pressurized fluid flow generator
06/09/1981CA1102760A1 Filling machine to handle liquid products
06/09/1981CA1102621A1 Pivotable pipe slide for use in a two cylinder concrete pump
06/03/1981EP0029634A1 Fluid dispensing piston pump
06/02/1981US4270440 High pressure piston and seal
05/1981
05/26/1981US4269572 Electromagnetic plunger pump
05/26/1981US4269567 Mud degasser pump
05/20/1981EP0028808A2 Feeding and dosing device for abrasive materials
04/1981
04/30/1981WO1981001176A1 Single acting piston pump
04/29/1981EP0027717A1 Single acting piston pump
04/28/1981US4264452 Pump seal flush
04/28/1981US4264286 Multiple fluid pump
04/28/1981US4264038 Manually operative atomizer
04/28/1981US4264037 Manually operative atomizer
04/21/1981US4262742 Downhole seal for low profile oil well pumping installations
04/14/1981US4261250 Slide shoe arrangement, particularly for axial and radial piston machines
04/14/1981CA1099181A1 Control valve for use with variable displacement piston pump of the type including hydrostatic thrust bearing means
04/07/1981US4260342 Dual-piston reciprocating pump assembly
04/07/1981US4260341 Hand pump
04/07/1981CA1098765A1 Dual-piston reciprocating pump assembly
04/02/1981WO1981000890A1 Reciprocating pump
04/02/1981WO1981000889A1 Reciprocating pump
03/1981
03/31/1981US4259042 Confectionary pumps
03/31/1981US4258612 Piston pump for conveying concrete mixes
03/24/1981US4257440 Injection pump for sprinkler systems
03/18/1981EP0025033A1 Hydraulic noise attenuator.
03/17/1981US4256139 Valve assembly for high-pressure piston pump
02/1981
02/24/1981US4252510 Diaphragm pump
02/10/1981US4249868 Pump for high viscosity lubricants with improved priming feature
02/10/1981CA1095510A1 Batching pump for lime concrete
01/1981
01/27/1981US4247266 Fluid pump drive system
01/07/1981EP0021315A1 Piston machine, particularly piston pump
01/06/1981US4243361 Standing valve assembly for an oil well pump
12/1980
12/30/1980US4242062 Dual piston pump with pressure seal lubrication feature
12/30/1980US4242058 Dosage pump
12/30/1980US4242057 Tandem long stroke reciprocating mud pump assembly
12/30/1980CA1092686A1 Method and control system for controlling a suspended implement on variations of the position of the implement in relation to a suspension point
12/23/1980US4240326 Hydraulic vibration exciter and method of cooling thereof
12/16/1980US4239463 Reciprocating plunger pump with improved liquid end valve assembly
12/09/1980CA1091198A1 Manualy operative atomizer
12/02/1980US4236651 Dispenser device with valve piston pump
11/1980
11/18/1980US4233886 Sealing device for hydraulic piston mechanism
11/12/1980EP0018855A1 Variable pressure and displacement reciprocating pump
11/11/1980CA1089322A1 Sewage pump assembly
11/04/1980US4231724 Adjustable metering pump
11/04/1980US4231722 Magnetic reciprocating pump for pumping fluids
11/04/1980US4231719 Procedure and apparatus for degassing fuel supply pump
11/04/1980US4231715 Clinically usable pump apparatus for a dilatation device
10/1980
10/29/1980EP0018128A1 Reverse osmosis method and apparatus
10/29/1980EP0017788A1 Sealing for a piston-cylinder arrangement
10/29/1980EP0017787A1 Sealing for a piston-cylinder arrangement
10/28/1980US4230160 Adjustable suck-back device for sanitary pumps
10/21/1980US4229149 Oil well pump
10/21/1980CA1088186A1 Start-up control for fuel injection system
10/15/1980EP0017100A2 Method and device for supplying lubricant to a piston and cylinder arrangement
10/01/1980EP0016584A1 Lubrication and cooling system for a high speed ultracentrifuge drive assembly
10/01/1980EP0016289A1 Positive displacement pump systems
10/01/1980EP0016288A1 Positive displacement pump systems
09/1980
09/23/1980US4224363 Motor jacking apparatus
09/23/1980CA1086134A1 Subsurface pumping installation for handling viscous or sand-laden fluids
09/18/1980WO1980001933A1 Fluidborne noise attenuator
09/16/1980US4222714 Radial piston pump
09/16/1980CA1085793A1 Universal, sequential pump dispensing system
09/09/1980US4221549 Inertia bar for sucker rods
09/09/1980CA1085267A1 Dual pump flow combining system
09/03/1980EP0015144A1 Piston and seal in a mud pump or the like
08/1980
08/26/1980US4219311 Pump assembly
08/26/1980US4218961 Lubricating system for high-pressure pump