LandOfFree - US Patents - Listing for Pipe joints or couplings

Pipe joints or couplings – Essential catch – Leaf spring

Rapid-action coupling device for providing a sealed connection b

Pipe joints or couplings – Essential catch

Rapid-action coupling for hoses or rigid lines in motor...

Pipe joints or couplings – Essential catch

Rapidly assembled and disassembled connecting device

Pipe joints or couplings – With assembly means or feature – Guide and support

Rapidly connectable and disconnectable pipe union

Pipe joints or couplings – Frangible element

Ratchet type closet flange

Pipe joints or couplings – With assembly means or feature – Guide and support

Ratcheted coupling

Pipe joints or couplings – With assembly means or feature

Ratcheting and threaded well connector

Pipe joints or couplings – Nonmetal to metal – Internal member

Re-usable coupling for sanitary hoses

Pipe joints or couplings – Nonmetal to metal – Internal member

Re-usable fitting for flexible hoses

Pipe joints or couplings – Clamp

Reactor water isolation devices

Pipe joints or couplings – Repair

Reamer guide for primary sewer line taps

Pipe joints or couplings – Repair – Removable wear element

Rebuildable slurry conduit elbow

Pipe joints or couplings – Essential catch – Leaf spring

Receiving part of a fluid plug-in coupling

Pipe joints or couplings – Essential catch – With manipulator

Receptacle with rotating release lock

Pipe joints or couplings – With assembly means or feature – Guide and support

Receptor for a separation module

Pipe joints or couplings – With indicator – alarm or inspection means

Recessed pop-top insertion indicator

Pipe joints or couplings – Pipe to discreet nipple or sleeve to plate – Nipple sealed to plate

Recockable well hanger

Pipe joints or couplings – With casing – lining or protector – Insulated

Reconfigurable loop of tubular elements

Pipe joints or couplings – Packed – Frictional retention upon insertion

Recreation vehicle waste pipe sealing unit