Matingly engaged flexible entry boot

Means for tensioning tubing in a wellhead assembly

Metal to ceramic sealed joint

Metal to metal sealed joint for tubing string

Metal-to-metal backseat lockdown screw

Method and apparatus for attaching the exhaust manifold

Method and apparatus for fastening a tube to a wall

Method of manufacture of manifolds and manifold provided by such

Modular cellular conduit assembly

Movable connection for line sections

Multi passage flexible connector

Multi-cell conduit connection joint

Multi-passage rotor coupling

Multi-passage swivel joint combining flexible and sliding means

Multi-plane swivel connector

Multi-way connector for hydraulic conduits

Multiline swivel

Multiple duct conduit and couplings

Multiple passage conduit assembly

Multiple-duct conduit system with expansion chamber coupling