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US3277683A
|
|
Punch for pipe tapping t fitting
|
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US3287997A
|
|
Slug retaining pipe tap
|
|
US3175851A
|
|
Bell joint pipe clamp with rockable drawbolts
|
|
GB958531A
|
|
Improvements relating to fittings for perforating steel walled members
|
|
FR80028E
|
|
Method and device for drilling steel-walled elements
|
|
GB910397A
|
|
Improvements relating to fittings for tapping steel walled members
|
|
US2990731A
|
|
Fitting for perforating steel walled members
|
|
US2950637A
|
|
Fitting for tapping steel walled members
|
|
US2983477A
|
|
Plug valve saddle
|
|
US2895498A
|
|
Valved t-fitting
|
|
US2685809A
|
|
Gripping device having relatively rotatable handgrips
|
|
US2923561A
|
|
Sectional anchor ring for bell joint clamp
|
|
US2842383A
|
|
Sectional gasket ring for bell joint clamp
|
|
US2762388A
|
|
Wall service fitting
|
|
US2697274A
|
|
Method of making pressed metal clamps
|
|
US2427994A
|
|
Pipe fitting
|
|
US2286751A
|
|
Pipe leak sealing sleeve
|
|
US2344163A
|
|
Service connector
|
|
US2351141A
|
|
Saddle coupling
|
|
US2325417A
|
|
Means for sealing pipe leaks
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