MARKEL CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 6128
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 4121
 
  
 
B29L INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES 422
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL268
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1124
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 169

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9908087 Fluoropolymer hollow fiber membrane with fluoro-copolymer and fluoro-terpolymer bonded end portion(s)Aug 12, 13Mar 06, 18[B29C, B29L, B01D]
9908088 Fluoropolymer hollow fiber membrane with fluoro-copolymer and fluoro-terpolymer bonded end portion(s)Aug 12, 13Mar 06, 18[B29C, B29L, B01D]
9248411 Fluoropolymer hollow fiber membrane with fluoro-copolymer and fluoro-terpolymer bonded end portion(s)Aug 12, 13Feb 02, 16[B29C, B29L, B01D]
9248412 Fluoropolymer hollow fiber membrane with fluoro-copolymer and fluoro-terpolymer bonded end portion(s) and method to fabricateAug 12, 13Feb 02, 16[B29C, B29L, B01D]
9061251 Self sealing membrane contactor with PTFE tubular membranesSep 27, 11Jun 23, 15[B01D]
8540081 Fluoropolymer hollow fiber membrane with fluoro-copolymer and fluoro-terpolymer bonded end portion(s) and method to fabricateMar 16, 11Sep 24, 13[B01D]
6807879 Cable assemblies and methods of producing sameOct 01, 01Oct 26, 04[F16C]
6040384 Cable assembliesApr 17, 97Mar 21, 00[C08F]
5964251 Chemically bonded multi-wall conduitApr 02, 97Oct 12, 99[F16L]
5437311 Fuel system conduitOct 14, 93Aug 01, 95[F16L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0041,389 Fluoropolymer Hollow Fiber Membrane with Fluoro-copolymer and Fluoro -terpolymer bonded end portion(s)AbandonedAug 12, 13Feb 12, 15[B01D]
2009/0229,401 Motion Transmitting Cable Liner and Assemblies Containing SameAbandonedMar 18, 09Sep 17, 09[F16C]
2009/0193,926 Motion Transmitting Cable Liner and Assemblies Containing SameAbandonedJun 21, 06Aug 06, 09[F16C]
2006/0053,945 Cable assemblies with sound abatement layerAbandonedJul 13, 04Mar 16, 06[F16C]
6884481 Motion transmitting cable assemblies having abrasion resistant multi-wall linerExpiredApr 24, 98Apr 26, 05[F16C]
2005/0015,491 Systems, methods, and articles of manufacture for dynamically providing web servicesAbandonedMay 16, 03Jan 20, 05[G06F]
6617516 Lead wire for oxygen sensorExpiredAug 12, 02Sep 09, 03[H01B]
6448502 Lead wire for oxygen sensorExpiredFeb 28, 01Sep 10, 02[H01B]
6062271 Polymethylpentene cable linerExpiredMay 22, 98May 16, 00[F16L]
5653266 Chemically bonded multi-wall conduitExpiredOct 11, 94Aug 05, 97[F16L]
5573039 Kink-resistant fuel hose linerExpiredMar 02, 95Nov 12, 96[F16L]
5371934 Process for making reinforced, thin-walled tubingExpiredFeb 08, 93Dec 13, 94[B23P]
5341849 Fuel system conduitExpiredNov 05, 91Aug 30, 94[F16L]
5290421 Oxygen sensor lead wireExpiredSep 11, 91Mar 01, 94[G01N]
5243876 Cable assemblies and methods of producing sameExpiredMay 15, 92Sep 14, 93[F16C, H01B]
5045600 Abrasion-resistant fluorocarbon polymer compositesWithdrawnOct 27, 88Sep 03, 91[F16C, C08L]
4362069 High efficiency, abrasion resistant product and processExpiredJul 16, 80Dec 07, 82[F16L, F16C, B32B]

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