SPEARS MANUFACTURING, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL169

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6302446 Union fitting replacement nutJan 24, 00Oct 16, 01[F16L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6575431 Weir-type diaphragm valve with raised arcuate beadExpiredSep 14, 99Jun 10, 03[F16K]
6290267 Cam-lock fittingExpiredDec 20, 99Sep 18, 01[F16L]

Top Inventors for This Owner

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