KARL WEISS HOCH- TIEF - UND ROHRLEITUNGSBAU GMBH & CO.

Patent Owner

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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
6050300 Method and an apparatus for lining a pipe or ductSep 11, 98Apr 18, 00[F16L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6129119 Flexible tube for lining pipes and ducts as well as method and an apparatus for manufacturing thereofExpiredSep 11, 98Oct 10, 00[F16L]
6053211 Method for the coating of sewer pipes including apparatus for carrying out the methodExpiredSep 11, 98Apr 25, 00[F16L]
6032698 Method and an apparatus for lining a pipe or ductExpiredSep 11, 98Mar 07, 00[F16L, B29C]

Top Inventors for This Owner

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