Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method of and apparatus for repairing and sealing junctions between mains and branch pipes

Method of and apparatus for repairing and sealing junctions between mains and branch pipes

US Patent 5609439 · Granted Mar 11, 1997

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process and device for rehabilitating pipes2001
Pipe rehabilitation system and method for introducing a lining hose from a sewer2001
Invertible liner for internal surfaces of fluid conveying pipes and the like1995
Method of softlining sewer rehabilitation1994
Method for lining a pipe laid in the ground1991
Method of salvaging a pipe conduit buried under ground1988
Method of salvaging a pipe conduit buried under ground1987
Worktable, especially office table1985
Free standing supply column, especially for offices1984