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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B60P VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS 137
 
  
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 158

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6014855 Light hydrocarbon fuel cooling system for gas turbineApr 30, 97Jan 18, 00[F02C]
5149246 Wheelchair lift apparatus for commercial vehiclesJun 18, 91Sep 22, 92[B60P]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0127,437 System and method for laser machining of extended length workpiecesAbandonedJan 06, 03Jul 10, 03[B23K]
2003/0070,841 Shallow depth, coiled tubing horizontal drilling systemAbandonedNov 19, 02Apr 17, 03[E21B]
2003/0020,456 Hardened process controllerAbandonedJul 08, 02Jan 30, 03[G01R]
2001/0052,158 Single core broom systemAbandonedApr 19, 01Dec 20, 01[E01H]
2001/0049,859 Caster wheel assemblyAbandonedApr 19, 01Dec 13, 01[B60B]
5841357 Battery electrolyte monitorExpiredJul 30, 96Nov 24, 98[G08B]
5674043 Retractable wheelchair lift mechanism for storage compartment of a commercial vehicleExpiredNov 17, 95Oct 07, 97[B60P]
5613825 Wheelchair lift apparatusExpiredNov 07, 94Mar 25, 97[A61G]
5499694 Self propelled passenger lift vehicleExpiredAug 15, 94Mar 19, 96[B66B]
5322410 Tube bundle extractorExpiredJan 22, 92Jun 21, 94[B66F]
5083423 Apparatus and method for optimizing the air inlet temperature of gas turbinesExpiredApr 26, 90Jan 28, 92[F02C]
5026244 Wheelchair lift apparatus for commercial vehiclesExpiredMay 17, 90Jun 25, 91[B60P]
4955195 Fluid control circuit and method of operating pressure responsive equipmentExpiredDec 20, 88Sep 11, 90[F16D]
4878556 Vehicle steering systemsExpiredSep 11, 87Nov 07, 89[B62D]
4864914 Blowout preventer booster and methodExpiredJun 01, 88Sep 12, 89[F15B]
4799714 Sleeve type casing head adapterExpiredSep 28, 87Jan 24, 89[F16L]
4376443 Jet water cleaning apparatusExpiredAug 24, 81Mar 15, 83[B08B]
4254752 Method of and apparatus for improving operation of a diesel engine at light loadsExpiredSep 17, 79Mar 10, 81[F23L, F02D]

Top Inventors for This Owner

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