Fel-Pro Incorporated

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS1535
 
  
 
F02F CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES 233
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 254
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124
 
  
 
F01M LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL-COMBUSTION ENGINES; CRANKCASE VENTILATING 132
 
  
 
F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 148
 
  
 
F16M FRAMES, CASINGS, OR BEDS, OF ENGINES OR OTHER MACHINES OR APPARATUS, NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS OR SUPPORTS134
 
  
 
F16T STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS, STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS17

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6113109 Expanded graphite gasket with beaded stress risersApr 20, 98Sep 05, 00[F16J]
6039323 Rubber molded gasket with compression limiterFeb 11, 98Mar 21, 00[F02F]
5970612 Method of making head gasket with improved armoringDec 11, 97Oct 26, 99[B23P]
5934682 Head gasket with preflattened wire rings and method of making and using sameMay 19, 97Aug 10, 99[F02F]
5806857 Gasket layer identifiersApr 24, 97Sep 15, 98[F16J]
5801303 Method and gauge for correctly reassembling a V-engineNov 15, 96Sep 01, 98[G01M, G01B]
5780746 Minimum thickness force sensor with temperature compensationAug 07, 96Jul 14, 98[G01L]
5771707 Unitary heat exchanger for the air-to-air transfer of water vapor and sensible heatJan 17, 97Jun 30, 98[F28D, F24F]
5772215 Head gasket with improved armoring and method of making sameDec 08, 95Jun 30, 98[F16J]
5722670 Sealing assembly and multi-layer gasket for resisting facing delamination and degradationSep 06, 96Mar 03, 98[F16J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5934681 Expandable gasket and method of making sameExpiredNov 08, 96Aug 10, 99[F16J]
5895057 Head gasket assembly for very closely adjacent cylinder bores with stabilized armoring and method of making sameExpiredMar 17, 97Apr 20, 99[F02F, F16J]
5687975 Sealing assembly employing oppositely directed wedges and complementary recessesExpiredAug 21, 96Nov 18, 97[F16J]
5673920 Gasket bolt hole with retaining beam and slotExpiredSep 16, 96Oct 07, 97[F16B, F16J]
5586769 Head gasket with pre-embedded metal shim and method of using sameExpiredMay 01, 95Dec 24, 96[F16J]
5551705 Double beaded spaghetti seal with stiffness increasing deformation behaviorExpiredJul 12, 95Sep 03, 96[F16J]
5536018 Flexible spaghetti gasket seal with stiffening memberExpiredNov 14, 94Jul 16, 96[F16J]
5454397 Reed valve assembly and gas compressor incorporating sameExpiredAug 08, 94Oct 03, 95[F16K]
D353926 Drawing transport cartExpiredJan 27, 93Dec 27, 94[]
5121932 Gasket assembly for oil pans and the likeExpiredNov 07, 90Jun 16, 92[B29C, F16J]
5122214 Method of making a rubber laminated gasketExpiredFeb 13, 90Jun 16, 92[B32B, F16J]
5119681 Test fixtureExpiredFeb 15, 90Jun 09, 92[G01M, G01N]
5106107 Head gasket having a staked fire rings and method of making sameExpiredJun 25, 90Apr 21, 92[F16J]
5076592 Head gasket with sealing rings having multi-stage compressibilityExpiredJul 17, 90Dec 31, 91[F16J]
4997193 Oil pan gasket and method of making sameExpiredMay 18, 90Mar 05, 91[F16K, B65D, F02F, F16J]
4852893 Elastomeric coated perforated metal core composite gasket and method of making sameExpiredDec 06, 88Aug 01, 89[F16J]
4834279 Gasketing material and method of making same by densifying adhesive bonded facing layers to a metallic coreExpiredAug 03, 87May 30, 89[B23B, B29C, F16J]
4830698 Method of forming a gasket with enhanced sealing characteristicsExpiredApr 20, 88May 16, 89[B32B]
4817969 Gasket and method of making sameExpiredNov 20, 87Apr 04, 89[F16J]
4813691 Unitized multi-layered gasket and method of making sameExpiredApr 21, 88Mar 21, 89[F16J]

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