Patents for F16J 1 - Pistons; Trunk pistons; Plungers (5,199)
10/1981
10/13/1981US4294164 Piston for use in pneumatically operated piston-cylinder apparatus
10/13/1981US4294163 Non adjustable hydraulic cylinder
10/06/1981US4292936 Nickel, copper, iron, rings
09/1981
09/30/1981EP0036538A1 Piston
09/29/1981US4291614 Piston and process for its manufacture
09/17/1981WO1981002610A1 Devices for supplementing conventional liquid fuels in internal combustion engines with gaseous fuel supplements
09/16/1981EP0035628A2 Gudgeon pin
09/09/1981EP0035348A2 Sintered bodies of composite materials and their manufacture
09/09/1981EP0035290A1 Liquid-cooled piston for internal-combustion engines
08/1981
08/19/1981EP0033989A1 Light metal piston
08/05/1981EP0033251A2 Piston and piston rod assembly for sliding in a cylinder
08/04/1981US4281590 Piston construction for reciprocating pumps
07/1981
07/28/1981US4280455 Internal combustion engine
07/01/1981EP0031052A1 Cylinder sealing
06/1981
06/30/1981CA1104273A1 Seat cushion or bed cushion
06/23/1981US4274372 Lightweight piston for internal combustion engines
05/1981
05/26/1981US4269083 Connecting rod
05/19/1981CA1101249A1 Device for use in tightening nuts
04/1981
04/14/1981US4261251 Kelly head for hydraulic mast digger
03/1981
03/24/1981US4257315 Assembly with relatively displaceable members
03/24/1981US4257313 Power steering piston and cylinder combination with plastic wear surfaces
03/19/1981WO1981000740A1 Piston for internal combustion engine
03/17/1981US4256022 Piston for reciprocating internal combustion engines, typically diesel engines
03/03/1981US4253430 Insulated oil cooled piston assembly
02/1981
02/10/1981US4249718 Bolt tensioning device
02/10/1981CA1095473A1 Piston for aerosol container
02/03/1981CA1094996A1 Fluid dispensing piston
01/1981
01/27/1981US4246833 High pressure spherical piston
01/21/1981EP0022688A1 Piston and method of making it
01/13/1981US4244330 Engine cylinder liner having a mid stop
01/07/1981EP0020526A1 Low-friction piston
01/06/1981US4242948 Insulated composite piston
01/06/1981US4242945 Assembly with relatively displaceable members
12/1980
12/30/1980CA1092453A1 Piston for an internal combustion engine
11/1980
11/26/1980EP0019323A1 Piston for internal-combustion engines
11/18/1980US4234108 Piston for aerosol container
11/12/1980EP0018475A1 Piston and connecting rod unit
11/12/1980EP0018377A1 Composite materials
11/11/1980CA1089186A1 Method of making an article having cast-in-place bearing
10/1980
10/29/1980EP0018027A1 Piston with ring supporting sleeve
10/28/1980US4230027 Reciprocating piston
10/28/1980CA1088283A1 Piston with flared pin bore and method of making
10/21/1980US4228727 Pistons
10/21/1980US4228725 Rotary piston
09/1980
09/23/1980CA1086336A1 Cylinder assembly with split ring retainer
08/1980
08/21/1980WO1980001704A1 Pistons and cylinder liners
08/05/1980CA1083013A1 Accumulators
07/1980
07/29/1980US4214507 One-piece plastic piston
07/22/1980US4213438 Piston for internal combustion engines, especially diesel engines
07/08/1980US4211345 Apparatus for the feeding (metering) of liquid synthetic-resin components
07/01/1980CA1080628A1 Internal-combustion engine
06/1980
06/24/1980US4208953 Plunger for compressors
06/17/1980US4207808 Piston for reciprocating internal combustion engines, typically diesel engines
06/11/1980EP0011687A1 Coupling element between ceramic and metallic building components, and its use
06/03/1980US4205649 Light-metal piston
06/03/1980US4205595 Piston
06/03/1980CA1078676A1 Selective tin deposition onto aluminum piston skirt areas
05/1980
05/29/1980WO1980001036A1 Seat cushion or bed cushion
05/28/1980EP0011300A1 Piston for compressors or internal combustion engines
05/27/1980CA1078274A1 Insulated composite piston
05/20/1980US4203406 Expanding piston
05/20/1980CA1077731A1 Drive rod coupling for positive displacement pump
05/14/1980EP0010561A1 Water pistol
04/1980
04/22/1980CA1075983A1 Pistons for internal combustion engines
04/17/1980WO1980000738A1 Low-friction piston
04/15/1980US4197787 Pump piston with flexible member
04/08/1980US4196909 Piston and sealing head therefor
04/08/1980US4196655 Fluid motor
04/08/1980CA1075150A1 Oilwell swab cup
04/08/1980CA1075103A1 Piston with gudgeon pin and method of making same
04/03/1980WO1980000605A1 A fluid pressure actuated brake unit
04/02/1980EP0009269A1 Light-metal piston for internal combustion engines
04/01/1980US4195714 Piston and extensible cylinder therefor
03/1980
03/04/1980US4191095 Hollow piston for hydrostatic machines
02/1980
02/26/1980US4189984 Piston-cylinder arrangement for a compressor
02/06/1980EP0007659A1 Plunger for piston engines
01/1980
01/29/1980US4185544 Piston for combustion engines
01/22/1980US4184463 Internal-combustion engine
01/08/1980US4182012 Method of making a piston with a gudgeon pin
12/1979
12/25/1979US4180274 Cylinder assembly with split ring retainer
12/25/1979CA1068561A Cylinder constructions
12/18/1979US4179313 Method of making an article having a cast-in place bearing
12/18/1979US4179050 Fluid dispensing piston
12/18/1979US4178899 Low-friction piston
12/13/1979WO1979001103A1 Composite materials
12/11/1979US4178140 Compressor with reciprocating piston particularly for small refrigerators
12/11/1979US4178002 Separating piston for hydropneumatic one-tube vibration damper
12/11/1979US4177837 Accumulator
12/11/1979CA1067769A1 Light metal pistons
12/04/1979CA1067425A1 Piston and extensible cylinder therefor
11/1979
11/20/1979CA1066625A2 Variable compression ratio piston
11/13/1979CA1066204A1 Fluted core disc brake piston
10/1979
10/31/1979EP0005028A1 Bolt tensioning device
10/23/1979US4171665 Piston, especially for a pneumatic cylinder
10/16/1979CA1064433A1 Piston for metering devices and a method for producing it
10/09/1979CA1063893A1 Piston valve pocket relief
10/02/1979CA1063449A1 Variable compression ratio piston
09/1979
09/04/1979US4166776 Anodizing, coating with thin layer of anti-friction metal
08/1979
08/08/1979EP0003439A1 Internal combustion engine
08/08/1979EP0003309A1 Reciprocating-piston drive for combustion engines
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