LandOfFree - US Patents - Listing for Fluid handling

Fluid handling – Line condition change responsive valves – Direct response valves

Backflow valve mounting and sealing device

Fluid handling – Line condition change responsive valves – Direct response valves

Backflow-preventer

Fluid handling – Back flow prevention by vacuum breaking – Air vent in liquid flow line

Backflow-preventing valve

Fluid handling – Systems – Programmer or timer

Backflushing system

Fluid handling – With casing – support – protector or static constructional... – Static constructional installations

Backpressure relief valve

Fluid handling – Destructible or deformable element controlled – Heat destructible or fusible

Backseating and stop for valve operator

Fluid handling – Line condition change responsive valves – Direct response valves

Backward flow prevention device

Fluid handling – Line condition change responsive valves – Direct response valves

Backward flow prevention valve

Fluid handling – Systems – Multiple inlet with multiple outlet

Backwash valve

Fluid handling – Systems – System with plural openings – one a gas vent or access opening

Backwater escape valve

Fluid handling – Distribution systems involving geographic features

Backwater tank for a building connected to a vacuum drain facili

Fluid handling – Line condition change responsive valves – Direct response valves

Backwater valve

Fluid handling – Liquid level responsive or maintaining systems – By float controlled valve

Backwater valve

Fluid handling – With repair – tapping – assembly – or disassembly means – Assembling – disassembling – or removing cartridge type valve

Backwater valve

Fluid handling – Flow affected by fluid contact – energy field or coanda effect – Means to regulate or vary operation of device

Baffle assembly for use with a lateral duct of an air conditioni

Fluid handling – Processes – Cleaning – repairing – or assembling

Baffle for a sewage tank and method of installation

Fluid handling – Systems – Plural tanks or compartments connected for serial flow

Baffle for suppressing slosh in a tank and a tank for...

Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems

Baffle mechanism and insert unit for downspout

Fluid handling – Processes – Cleaning – repairing – or assembling

Baffled tank for a vehicle