Patents for F16J 9 - Piston-rings, seats therefor; Ring sealings of similar construction in general (4,592)
10/1984
10/02/1984US4474147 Combined fire ring and carbon scraping insert
10/02/1984US4474106 Fluidic self adjusting seal assembly
09/1984
09/25/1984US4473232 Oil scraper ring with controlled gap arrangement
09/19/1984EP0118772A1 Piston for reciprocating internal combustion engine
09/11/1984US4470388 Fully hydrodynamic piston ring and cylinder assembly
09/11/1984US4470375 Fully hydrodynamic piston ring and piston assembly with elastomerically conforming geometry and internal cooling
08/1984
08/28/1984US4468041 Backup ring for hydraulic apparatus seals
08/28/1984US4468040 Spacer-expander for pistons
08/21/1984US4466624 Sealing arrangement
08/16/1984WO1984003082A1 Piston and piston assemblies
08/14/1984US4465515 Piston ring for internal combustion engine
08/01/1984EP0114655A1 Piston ring for an internal-combustion engine
08/01/1984EP0114232A1 Flame spray powder for producing wear-resistant coatings
07/1984
07/31/1984US4462602 Piston ring with annular expander spring
07/31/1984US4462601 Piston-cylinder sealing device
07/24/1984US4461067 Apparatus for making locking sealing rings
07/04/1984EP0112787A1 Heat resistant and processable inserts for diesel engine pistons made of aluminium-silicium alloys
07/04/1984EP0112453A1 Spraying material, especially for the production of wear and temperature resistant coatings, especially for machine parts of combustion engines
06/1984
06/19/1984US4455028 Sealing device with radially slitted metal washers for hydraulic piston mechanisms
06/05/1984US4452464 Oil ring
05/1984
05/22/1984US4449721 Split piston ring having stepped ends
05/22/1984US4449718 Packing for hydraulic pistons or piston rods
03/1984
03/27/1984US4438937 Piston ring
02/1984
02/21/1984US4432925 Composite piston ring and process
02/21/1984US4432313 Aluminum base material with hard facing deposit
02/14/1984US4431200 Back-up ring with slitted, folded portion for packing of hydraulic apparatus
02/07/1984US4429885 Spacer and expander member for holding and biasing piston ring rails
01/1984
01/31/1984US4428276 O-Ring seal for piston of double-acting fluid pressure cylinder
01/04/1984EP0097215A1 Piston for an internal-combustion engine
12/1983
12/27/1983US4422649 Stirling engine piston ring
12/27/1983US4422533 Sealing means for hydraulic brake actuators
12/20/1983US4421328 Half-keystone compression ring
12/13/1983US4420543 With ferrochrome and self-fluxing alloy
12/07/1983EP0095604A2 Aluminum base material with hard facing deposit
11/1983
11/29/1983US4417503 Cylinder device
11/08/1983US4414284 From sintered metal alloy powder
10/1983
10/25/1983US4411436 Spring loaded piston seal assembly
10/18/1983US4409947 Exhaust gas recirculating type diesel engine
10/11/1983US4408770 Piston ring assembly with tangential expander
10/04/1983US4407515 Combined oil ring
09/1983
09/27/1983US4406463 Low-friction seal
09/14/1983EP0088160A2 Piston ring
08/1983
08/09/1983CA1151696A1 Piston seal
07/1983
07/19/1983US4393821 Cylinder or cylinder liner
06/1983
06/14/1983US4387627 Piston ring groove reinforcement
06/08/1983EP0080562A1 Piston with local inorganic fiber reinforcement
06/07/1983US4387140 Slide member
05/1983
05/31/1983CA1147368A1 Seal between three relatively movable bodies, in particular for rotary piston engines
05/26/1983WO1983001811A1 Hydraulic jack
05/24/1983US4384729 Interlocking dual plane gapped compression rings
05/24/1983US4384727 Circumferential ring seal assembly
05/24/1983US4384554 Piston ring with expander for internal combustion engine
05/17/1983US4383509 Piston for internal combustion engines
04/1983
04/26/1983CA1145203A1 High pressure piston and seal
04/05/1983US4379234 Electro optic controlled piston ring installing apparatus
03/1983
03/15/1983CA1142819A1 Piston ring for endothermic motors having an improved flame damper ring
03/01/1983CA1142196A1 Piston ring and method of making same
02/1983
02/15/1983CA1141406A1 Piston ring with tongue and groove joint
02/15/1983CA1141243A1 Method of cryogenically hardening an insert in an article, and article made thereby
02/01/1983US4371178 Sealing arrangement, particularly for sealing valve piston relative to valve housing
02/01/1983US4371174 Compression rings for pistons
02/01/1983CA1140410A1 Engine piston assembly with improved oil control
01/1983
01/12/1983EP0069175A1 Piston for an internal combustion engine
01/11/1983US4367702 Internal combustion engine with automatic compression release
12/1982
12/28/1982US4365399 Manufacture of light weight pistons
12/21/1982US4364159 Preheating aluminum alloy slug and ferrous ring before assembling
12/07/1982US4362136 Internal combustion engine piston
12/07/1982US4362135 Piston ring of internal combustion engine
12/07/1982CA1137134A1 Piston ring
11/1982
11/30/1982US4361337 Piston ring with tongue and groove joint
11/30/1982US4360956 Piston having at least one piston ring groove
11/16/1982US4359230 Piston ring with wear resistant coating
11/16/1982US4359229 Piston rings with control slits
11/09/1982US4358121 Ring gap seal
11/09/1982US4358120 Seals
11/02/1982CA1134875A1 Piston spring seal
11/02/1982CA1134871A1 Vehicle suspension strut with serviceable shock absorber
10/1982
10/28/1982WO1982003678A1 Split ring seal for cryogenic refrigerator
10/26/1982US4355815 Piston ring
10/26/1982US4355519 Split ring seal for cryogenic refrigerator
10/19/1982CA1133959A1 Piston ring
09/1982
09/21/1982US4350352 Piston ring and groove assemblies
09/21/1982US4350082 Pump piston having ring lubrication means
09/21/1982CA1132157A1 Piston ring of internal combustion engine
09/08/1982EP0059233A1 Piston with piston ring
08/1982
08/31/1982US4346685 Internal combustion engine with gas sealing device
08/24/1982US4345771 Sealing cup for hydraulic piston-cylinder device
08/24/1982CA1130336A1 Multiple seal stationary sealing ring
08/18/1982EP0058120A2 Structure: cylinder, piston and lightweight piston rings for engines and compressors
08/17/1982US4344634 Compression rings
08/03/1982USRE31005 Resilient plastic piston ring
07/1982
07/28/1982EP0056689A2 Rings for fluid drive assemblies
06/1982
06/22/1982US4336077 Method of cryogenically hardening an insert in an article
06/15/1982US4334927 A mixture of chromium carbide, chromium-nickel alloy, and molybdenum particles; wear resistance
06/15/1982US4334507 Piston for an internal combustion engine and method for producing same
06/08/1982US4333661 Expanding helical seal for pistons and the like
06/01/1982US4332392 Dual sealing ring seal with hydraulic expansion
05/1982
05/25/1982US4331065 Engine piston assembly with improved oil control
04/1982
04/27/1982US4326907 Method of identifying piston rings
04/27/1982US4326724 Piston and seal assembly
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