Assignee
COUPLING SYST
9 granted patents·431 citations·filing 1976–1990
Top patents by PatentIndex Score
9 records- 0186US4119335APipe and tubing connectorsCOUPLING SYST·Filed 1977·Granted Oct 10, 1978·62 cites·12 claims
- 0284US4127141AMethod and apparatus for stopping fluid escape from pipe mainsCOUPLING SYST·Filed 1977·Granted Nov 28, 1978·74 cites·12 claims
- 0379US5069490APipe coupling with spring off-setCOUPLING SYST·Filed 1989·Granted Dec 3, 1991·56 cites·15 claims
- 0477US4316053APipe couplings and coupling gasketsCOUPLING SYST·Filed 1979·Granted Feb 16, 1982·43 cites·7 claims
- 0575US4538841AInsulated pipe couplingsCOUPLING SYST·Filed 1984·Granted Sep 3, 1985·44 cites·14 claims
- 0673US4070046APipe and tubing connecting sleeveCOUPLING SYST·Filed 1976·Granted Jan 24, 1978·34 cites·10 claims
- 0769US4610471AFlange adaptersCOUPLING SYST·Filed 1985·Granted Sep 9, 1986·44 cites·9 claims
- 0868US4606565APipe couplingsCOUPLING SYST·Filed 1985·Granted Aug 19, 1986·37 cites·4 claims
- 0967US5131688APipe insulator and method for making sameCOUPLING SYST·Filed 1990·Granted Jul 21, 1992·37 cites·21 claims
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