Roberts Tool International (USA), Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B25B TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING341
 
  
 
B25G HANDLES FOR HAND IMPLEMENTS 113
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 169

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D397597 Socket wrenchJan 10, 95Sep 01, 98[0805]
5644958 Quick release mechanism for tools such as socket wrenchesAug 02, 94Jul 08, 97[B25B]
5501125 Quick release mechanism for tools such as socket wrenchesAug 02, 94Mar 26, 96[B25B]
5433548 Universal joint for torque transmitting toolsSep 22, 93Jul 18, 95[F16C]
5233892 Quick release mechanism for tools such as socket wrenchesOct 09, 92Aug 10, 93[B25G]
5214986 Quick release mechanism for tools such as socket wrenchesSep 27, 91Jun 01, 93[B25B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D359668 Quick release mechanism actuator for tools such as socket wrenchesExpiredApr 20, 93Jun 27, 95[]
D355342 Tool handleExpiredSep 09, 93Feb 14, 95[]
4848196 Quick release and automatic positive locking mechanism for socket wrenches and extension bars for socket wrenchesExpiredJul 17, 86Jul 18, 89[B25G]
4420995 Quick-release and positive locking mechanism for use on socket wrenches and on power and impact toolsExpiredJun 05, 81Dec 20, 83[B25B]

Top Inventors for This Owner

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