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US3633928A
|
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Pipe joint coupling with gasket seal
|
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GB1055454A
|
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Improved gasket for pipe couplings
|
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US3240501A
|
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Gastight gasket joint
|
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US3099060A
|
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Coupling for flanged pipe elements
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GB833869A
|
|
Improvements in couplings for pipes and like members, including bottle closures
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GB805676A
|
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Improvements in couplings for pipes and like members, including bottle closures
|
|
US2773709A
|
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Bimetallic coupling for flanged pipe elements
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|
GB781676A
|
|
Improvements in couplings for pipe and like members, including bottle closures
|
|
US2773710A
|
|
Bimetallic coupling for flanged pipe fittings
|
|
US679837A
|
|
Coin-delivery apparatus.
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