U.S. Tsubaki, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16G BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR524
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 268
 
  
 
B21L MAKING CHAINS 16
 
  
 
B61B RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR 117
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 166

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9416848 Pin-roller chainSep 30, 15Aug 16, 16[F16C, F16G]
9151359 Pin-roller chainDec 10, 14Oct 06, 15[F16C, F16G]
8601783 Internal ring sealed chainApr 13, 10Dec 10, 13[B21L, F16G]
8356556 Universal dog chainJan 26, 10Jan 22, 13[B61B]
5943855 Lubricant retaining chainJun 10, 98Aug 31, 99[B21L, F16G]
5746304 Speed increasing and accumulating conveyor chainNov 20, 95May 05, 98[B65G]
5382199 Large bearing area roller chainFeb 03, 92Jan 17, 95[F16G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4880108 Tubular carrier pinExpiredMar 13, 89Nov 14, 89[B65G]
4615171 Bicycle chain lubricationExpiredNov 25, 85Oct 07, 86[F16G]
4571228 Bicycle chain structureExpiredJun 26, 85Feb 18, 86[F16G]
4571229 Large bearing area power transmission and material handling chainExpiredJun 03, 85Feb 18, 86[F16G]
4501351 Chain assembly with plug-in moduleExpiredJan 21, 82Feb 26, 85[B65G]
4235073 Chain breakerExpiredDec 04, 78Nov 25, 80[B21L]

Top Inventors for This Owner

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