RAMSEY WINCH COMPANY

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B66D CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS 516
 
  
 
F16H GEARING397
 
  
 
B66C CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES 229
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 169
 
  
 
H04Q SELECTING 1109

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0130,121 SELF-ENGAGING CLUTCHNov 04, 15May 12, 16[B66D, F16H]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9868619 Self-engaging clutchNov 04, 15Jan 16, 18[B66D, F16H, B66C]
9802797 System and method for thermal protection of an electric winchAug 13, 15Oct 31, 17[B66D]
9790063 Electronically controlled clutch for a winchJan 15, 14Oct 17, 17[B66D]
8968140 Electronically actuated clutch for a planetary winchMar 07, 14Mar 03, 15[F16H]
8272521 Crane moment load and load delivery system control and methodOct 05, 09Sep 25, 12[B66C]
7891641 Manual disengaging and self-engaging clutchOct 03, 06Feb 22, 11[B66D]
6994223 Diagnostic readout for operation of a craneOct 29, 02Feb 07, 06[B66C]
6995682 Wireless remote control for a winchOct 30, 01Feb 07, 06[H04Q]
6941654 Vehicle service bodySep 04, 03Sep 13, 05[B21D]
6464613 Power-shiftable compound planetary transmissionMay 30, 01Oct 15, 02[F16H]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6631886 Winch housing with integral fairleadExpiredJul 11, 01Oct 14, 03[B66D]
5072962 Front/rear mounted portable load-bearing winchExpiredFeb 12, 90Dec 17, 91[B60D, B60P]
4720975 Control valveExpiredMay 15, 86Jan 26, 88[F15B]
4396102 Locking clutch assembly in a winchExpiredSep 15, 80Aug 02, 83[F16D, G05G]
4379502 Winch clutchExpiredDec 22, 80Apr 12, 83[F16D, B66D]

Top Inventors for This Owner

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