LandOfFree - US Patents - Listing for Pipe joints or couplings

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

Vapor recovery apparatus with swiveled nozzle

Pipe joints or couplings – Particular interface – Tapered

Vari-stage coupling device

Pipe joints or couplings – Variable length – Telescopic with relative motion

Variable length pipe connector and method of manufacture and use

Pipe joints or couplings – Packed – Flanged pipe

Variable radial orientation pipe connector

Pipe joints or couplings – With assembly means or feature

Variable size coupling

Pipe joints or couplings – Convertible

Variable size fitting

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

Variable size pipe connector

Pipe joints or couplings – Repair

Vehicle exhaust repair device

Pipe joints or couplings – Safety release

Vehicle exhaust stack joint yieldable in all directions

Pipe joints or couplings – Flexible joint – rigid members – Bellows

Vehicle exhaust system with improved pipe end configurations

Pipe joints or couplings – Connector for conduit housing electromagnetic line: – Having box and connector

Vehicle pipe-container coupling assembly

Pipe joints or couplings – With leakage or drip disposal – Weep holes

Vent collar for plastic lined pipe

Pipe joints or couplings – Flexible joint – rigid members – Bellows

Vent pipe coupling

Pipe joints or couplings – With casing – lining or protector

Vented gas riser apparatus

Pipe joints or couplings – With casing – lining or protector

Vented gas riser apparatus

Pipe joints or couplings – Pipe to discreet nipple or sleeve to plate – Expandable detent engages plate to hold nipple

Ventilating system connector assembly and method of use

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

Ventilation apparatus and methods of making and using same

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

Ventilation duct construction and method

Pipe joints or couplings – Essential catch – Leaf spring

Ventilator having an oscillatory inspiratory phase and method