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2018
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Invention
|
Independently hydraulically clamped and sealed fitting. A pipe fitting comprising three annular c... |
|
|
Invention
|
Modular split sleeve. A fitting for encasing an extended length of pipe comprising a plurality of... |
|
2011
|
Invention
|
Split fitting for pipe. A pipe repair fitting comprising a mating pair of generally semi-circular... |
|
1995
|
Invention
|
Hot-tapping sleeve. A hot-tapping sleeve is provided for tapping a main pipe and attaching a bran... |
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1989
|
Invention
|
High-pressure hydraulic gun. A hydraulic gun for injecting sealant including an elongated barrel ... |
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1987
|
Invention
|
Collet grip riser fitting. A coupling assembly for mechanically coupling the plain end of a pipe,... |
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1986
|
Invention
|
Coupling. A pipe coupling assembly for plain end pipe of the type in which a packing ring is comp... |
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1983
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Invention
|
Fitting installation device. A method and apparatus for installing a split fitting on an intermed... |
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1981
|
Invention
|
Pipeline plug and bypass. Apparatus adapted to be retrofitted on an existing live pipeline to plu... |
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|
Invention
|
Method and apparatus for prenotching a pipeline. The wall of a pipe is prepared for a subsequent ... |
|
1980
|
P/S
|
Pipeline Equipment-Namely, Fittings Providing Commercial and Industrial Pipeline Construction, Ma... |
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1977
|
Invention
|
Pipe plugging device. Apparatus for altering flow in an existing pipeline, including a shear and ... |
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1975
|
Invention
|
Safety cock. A safety cock for positively maintaining a coupled connection between a fluid delive... |
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1974
|
Invention
|
Pipe fitting with self-testing seals and method. A split coupling for repairing, hot tapping, or ... |
|
1965
|
P/S
|
COUPLINGS FOR PIPE LINES, ORIGINAL INSTALLATIONS AND REPAIRS |
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|
P/S
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PIPE LINE EQUIPMENT, INCLUDING FITTINGS AND COUPLINGS |
