LandOfFree - US Patents - Listing for Pipe joints or couplings

Pipe joints or couplings – Nonmetal to metal – Internal member

Duct connector

Pipe joints or couplings – Packed – Flanged pipe

Duct connector

Pipe joints or couplings – Packed – Flanged pipe

Duct connector for a circular duct

Pipe joints or couplings – End to side or plate – Saddle-type clamp

Duct connector for leakfree attachment to the curved sidewall of

Pipe joints or couplings – Elbow – Sheet metal

Duct corner accessory with pivoting flaps

Pipe joints or couplings – Packed – Screw thimble

Duct coupler apparatus

Pipe joints or couplings – Essential catch – With manipulator

Duct coupler apparatus

Pipe joints or couplings – Flexible joint – rigid members – Concrete – clay – or masonry pipe

Duct coupler apparatus for use with precast concrete...

Pipe joints or couplings – Packed – Screw thimble

Duct coupler apparatus with compressible seals

Pipe joints or couplings – Movable jaw

Duct coupler with hinge interconnected locking rings

Pipe joints or couplings – For plural component line – Metal and elastomeric layers

Duct coupling pad for joining flexible ducts

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

Duct detector housing

Pipe joints or couplings – Convertible

Duct fitting

Pipe joints or couplings – Nonmetal to metal – Internal member

Duct for feeding a fluid at high pressure

Pipe joints or couplings – Packed – Sleeve

Duct joiner and method of manufacture

Pipe joints or couplings – Packed – Wedge

Duct joiner and retaining clip therefor

Pipe joints or couplings – Packed – Wedge

Duct joining system

Pipe joints or couplings – With assembly means or feature – Particular tool-engaging means or with tool

Duct joining system

Pipe joints or couplings – With assembly means or feature – Particular tool-engaging means or with tool

Duct joining system