DURAMAX MARINE, LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 1060
 
  
 
B63H MARINE PROPULSION OR STEERING 733
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM4153
 
  
 
F28D HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT 441
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS347
 
  
 
B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES241
 
  
 
B63B SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 236
 
  
 
B63J AUXILIARIES ON VESSELS29
 
  
 
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 250
 
  
 
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

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8376029 Keel cooler with fluid flow diverterJan 23, 09Feb 19, 13[B60H, F28F]
7490992 Integral bearing unit made from a slippery/polymer alloyNov 02, 07Feb 17, 09[F16C]
7481262 Keel cooler with fluid flow diverterApr 09, 07Jan 27, 09[B63H, F28D]
7328740 Heat exchanger with beveled headerMay 15, 06Feb 12, 08[B63H]
7290932 Stave bearing assembly and stave for a bearing assemblyApr 29, 05Nov 06, 07[F16C]
7201213 Keel cooler with fluid flow diverterMay 23, 05Apr 10, 07[B63H]
7044194 Heat exchanger with beveled headerApr 09, 02May 16, 06[B60H]
6896037 Keel cooler with fluid flow diverterOct 29, 02May 24, 05[B63H, F28D]
6866271 Marine shaft seal with lip seal, bearing and gasketFeb 05, 03Mar 15, 05[F16J]
6682804 Fender protective structureApr 30, 01Jan 27, 04[B63B, B32B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6921206 Stave bearing assembly and stave for a bearing assemblyExpiredMay 13, 03Jul 26, 05[F16C]
5095840 Fender protective structuresExpiredSep 04, 90Mar 17, 92[B63B]
4679517 Fender protective structuresExpiredMar 27, 86Jul 14, 87[B63C]
4677721 Method for fabricating an elastomeric bearing assemblyExpiredDec 26, 85Jul 07, 87[B65H, B21D, B31C, B32B]
4601694 Thin wall reclosable bag material and method of making sameExpiredApr 16, 82Jul 22, 86[B31B, B65D, B32B]
4585359 Bearing assemblyExpiredOct 02, 85Apr 29, 86[F16C]

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