HEWITT MACHINE & MFG., INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS 79
 
  
 
B63B SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 137
 
  
 
E21B EARTH OR ROCK DRILLING 195

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8430045 On board lift leg construction for pontoon boats with onboard engineSep 13, 10Apr 30, 13[B63C, B63B]
7318385 Boat liftJun 21, 07Jan 15, 08[B63C]
7267066 Boat liftDec 21, 05Sep 11, 07[B63C]
7156030 Boat liftApr 04, 06Jan 02, 07[B63C]
7051665 Boat liftAug 31, 05May 30, 06[B63C]
6983707 Boat liftMay 16, 05Jan 10, 06[B63C]
6907835 Boat liftMar 04, 04Jun 21, 05[B63C]
6907935 Latch profile installation in existing casingNov 10, 03Jun 21, 05[E21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0232,559 Boat Lift Attachment With Side Mount ActuatorsAbandonedMar 25, 11Sep 29, 11[B63B]
2009/0235,857 Onboard Boat Lift Structure And MethodAbandonedMar 19, 09Sep 24, 09[B63B]

Top Inventors for This Owner

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