LandOfFree - US Patents - Listing for Pipe joints or couplings,With fluid pressure seal

Pipe joints or couplings – With fluid pressure seal – With separate – encased pipe-gripping means

Coupling assembly for joining plastic and metal pipes

Pipe joints or couplings – With fluid pressure seal – With separate – encased pipe-gripping means

Coupling device

Pipe joints or couplings – With fluid pressure seal – With separate – encased pipe-gripping means

Coupling device and method for fabricating a grip ring to be...

Pipe joints or couplings – With fluid pressure seal – With separate – encased pipe-gripping means

Coupling device and method for fabricating a grip ring to be...

Pipe joints or couplings – With fluid pressure seal – With separate – encased pipe-gripping means

Coupling device for pipelines

Pipe joints or couplings – With fluid pressure seal – With external pressure supply

Coupling for conduits

Pipe joints or couplings – With fluid pressure seal – Flexible lip

Coupling for conduits

Pipe joints or couplings – With fluid pressure seal – Flexible lip

Coupling for plastic pipe

Pipe joints or couplings – With fluid pressure seal – Flexible lip

Coupling for releasably securing one end of a rod-like member

Pipe joints or couplings – With fluid pressure seal – Flexible lip

Coupling for rigidly connecting pipe sections

Pipe joints or couplings – With fluid pressure seal – With separate – encased pipe-gripping means

Coupling for seating a tube end in a fitting

Pipe joints or couplings – With fluid pressure seal – Flexible lip

Coupling member with a torque resistive-stop

Pipe joints or couplings – With fluid pressure seal – Swivel with flange in socket

Coupling or jointing unit

Pipe joints or couplings – With fluid pressure seal – Flexible lip

Coupling system

Pipe joints or couplings – With fluid pressure seal – Coacting opposing duplicate

Coupling with improved elastomeric face seal

Pipe joints or couplings – With fluid pressure seal – Flexible lip

Couplings for non-ferrous pipe

Pipe joints or couplings – With fluid pressure seal – Expansible internal sleeve-type gasket

Cuff for sealing joints of pipes

Pipe joints or couplings – With fluid pressure seal – Independent supply passage

Device and method for connection with relative and...

Pipe joints or couplings – With fluid pressure seal – With separate – encased pipe-gripping means

Device for fixing an element passing through a wall