OSAKA BOUSUI CONSTRUCTION CO., LTD.
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Mar 15, 1994 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 45 Total Citation Count
- Mar 02, 1988 Earliest Filing
- 5 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
5160476 Method for producing a resin pipe for use as the inner lining of existing pipesSep 11, 91Nov 03, 92[B29C]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5147697 Polyvinyl chloride pipe for the inner lining of existing pipesExpiredMar 18, 91Sep 15, 92[F16L]
5101545 Method of reforming existing gas pipe by repairing joint portions thereofExpiredJan 08, 91Apr 07, 92[B23P]
4956041 Method of lining branch pipe portion of underground main pipe with rigid plastics tubeExpiredDec 23, 88Sep 11, 90[B29C]
4859119 Liquid chemical grouting apparatus and valve switching arrangement in conduit system for supplying liquid chemicals to the apparatusExpiredMar 02, 88Aug 22, 89[E02D]
Top Inventors for This Owner
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