FREUDENBERG-NOK GENERAL PARTNERSHIP

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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; SEALINGS599
 
  
 
F02F CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES 1422
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 10144
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 9116
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 8108
 
  
 
F01L CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES 748
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 5120
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 586
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 498
 
  
 
F02N STARTING OF COMBUSTION ENGINES 429

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2013/0307,228 Low Load Seal With Outer Diameter FlapMay 18, 12Nov 21, 13[F16J]
2003/0221,311 Fuel cell assembly and sealingMar 20, 03Dec 04, 03[H01M]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9879785 PTFE flip seal for rotating shaftsDec 21, 16Jan 30, 18[F16J]
9759330 Energy saving seal with rocking dust lipFeb 04, 14Sep 12, 17[F16J]
9746081 Low load offset sealAug 24, 10Aug 29, 17[F16J]
9714710 Energy saving self-contact seal with pushing beadFeb 04, 14Jul 25, 17[F16J]
9695881 U-joint sealJun 28, 16Jul 04, 17[F16C, F16D, F16J]
9695937 Energy saving seal with vacuum induced counter-balance and rocking featureFeb 04, 14Jul 04, 17[F16J]
9500106 Two-piece valve stem sealMay 20, 09Nov 22, 16[F01L, F16J]
9496578 Gas diffusion layer with integrated seal for use in a fuel cellFeb 20, 07Nov 15, 16[H01M]
9484581 Integrally molded gasket for a fuel cell assemblyNov 05, 12Nov 01, 16[H01M]
9416690 Reduced inertia valve stem seal flangeJul 30, 09Aug 16, 16[F16K, F01L, F02F, F16J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0354,703 LIP SEAL WITH INVERSION PREVENTION FEATUREAbandonedAug 20, 15Dec 10, 15[F16J]
2014/0021,687 Lip Seal With Inversion Prevention FeatureAbandonedSep 20, 13Jan 23, 14[F16J]
2013/0175,763 Lubricated Shaft SealAbandonedJan 10, 12Jul 11, 13[F16J]
2012/0313,329 Vented Dual Lip Seal And Method Of MakingAbandonedJun 10, 11Dec 13, 12[B29C, F16J]
2012/0298,766 Fuel Injector Tip Seal And Method Of AssemblyAbandonedMay 24, 11Nov 29, 12[B05B, B21D]
2012/0187,638 Cast GasketAbandonedJan 20, 11Jul 26, 12[B29C, F16J]
2012/0083,544 REINFORCED MICROCELLULAR URETHANE PRODUCTSAbandonedOct 05, 10Apr 05, 12[C08J]
2011/0278,797 ULTRAVIOLET CURABLE SEALANT COMPOSITIONSAbandonedMay 12, 10Nov 17, 11[B29C, C08L, F16J]
8048550 Fluoroelastomer gasket compositionsExpiredFeb 11, 08Nov 01, 11[H01M]
2011/0204,583 Gasket Having Dual Bead Orientation On Rigid Carrier With Adjoining Gasket MaterialAbandonedFeb 24, 10Aug 25, 11[F16J]
2011/0163,507 Shaft Seal with Lubrication DeviceAbandonedMar 14, 11Jul 07, 11[F16J]
7963526 Prelubricated multi-lipped radial shaft seal with large radial offset accommodationExpiredMay 15, 07Jun 21, 11[F16J]
7964667 High temperature elastomers with low hydrocarbon vapor permeabilityExpiredMar 04, 08Jun 21, 11[C08L]
2011/0115,168 Seal With Snap-In Back-Up RingAbandonedFeb 17, 10May 19, 11[F16J]
7931125 Shaft seal with lubrication deviceExpiredNov 18, 05Apr 26, 11[F16J]
2011/0024,989 Dynamic SealAbandonedOct 12, 10Feb 03, 11[F16J]
7878145 Monitoring plasma ion implantation systems for fault detection and process controlExpiredJun 02, 04Feb 01, 11[C23C]
2010/0084,823 Hydraulically Balanced Radial SealAbandonedOct 08, 08Apr 08, 10[F16J]
7658386 Retrofittable severe duty seal for a shaftExpiredSep 19, 05Feb 09, 10[F16J]
2010/0025,938 Bearing SealAbandonedJun 07, 07Feb 04, 10[F16J]

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