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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A01G HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS, OR SEAWEED; FORESTRY; WATERING 230
 
  
 
A46B BRUSHES 129
 
  
 
B60K ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS; AUXILIARY DRIVES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST, OR FUEL SUPPLY, OF PROPULSION UNITS, IN VEHICLES 192
 
  
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 122

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6178579 Electric toothbrushAug 25, 99Jan 30, 01[A46B]
5509497 Steerable wheel drive assemblyApr 07, 94Apr 23, 96[B60K]
5456045 Lawn edging stripNov 09, 93Oct 10, 95[A01G]
5201154 Landscape edging and methods of manufacturing and using sameAug 23, 91Apr 13, 93[A01G, E02D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6546585 Toothbrush with detachable/replaceable headExpiredJul 06, 99Apr 15, 03[A46B, B25G]
5620256 Tamper evident security bagExpiredAug 22, 95Apr 15, 97[B65D]
5369219 Multi-layer printed circuit board apparatus and method for making sameExpiredFeb 10, 93Nov 29, 94[H05K]
5211108 Truss assembly apparatus with vertically adjustable press rollerExpiredNov 02, 90May 18, 93[B30B]
5196087 Method for making multi-layer printed circuit boardExpiredJun 18, 91Mar 23, 93[C23F, B44C]
5111861 Apparatus for cambering wood trussesExpiredJun 22, 90May 12, 92[B27H]
4956740 Protection technique for superconducting magnetsExpiredAug 04, 87Sep 11, 90[H02H]
4945492 Apparatus and method for determining net section parameters of truss connector platesExpiredDec 30, 88Jul 31, 90[H04N]
D307825 Tote bagExpiredSep 15, 86May 15, 90[]
D307826 Tote bagExpiredNov 07, 86May 15, 90[]
4920725 Self-gripping hanger deviceExpiredFeb 14, 89May 01, 90[F16B]
4766727 Fluid control valveExpiredJun 01, 87Aug 30, 88[F16D]
4691369 Bag with handle and method of making the sameExpiredAug 14, 86Sep 01, 87[B65D]
4669243 Fire protective system and method for a support structureExpiredNov 06, 85Jun 02, 87[E04C]
4627564 Apparatus for forming a truss assemblyExpiredMar 02, 84Dec 09, 86[B27F]
4554991 Auxiliary hydraulic drive system for road graders and the likeExpiredFeb 23, 84Nov 26, 85[B60K, F16D]
4498284 Chain linkExpiredMay 25, 82Feb 12, 85[F16G]
4481668 Shopping bag handle and method of manufacture thereofExpiredMay 06, 83Nov 06, 84[B65D]
4420856 Apparatus for processing stuffed sausage casingExpiredJun 01, 83Dec 20, 83[A22C]
4391641 Sintered powder metal friction materialExpiredNov 06, 81Jul 05, 83[C08K]

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