LandOfFree - US Patents - Listing for Fluid handling

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

Check valve slantedly biased against pressure-imposing...

Fluid handling – With cleaner – lubrication added to fluid or liquid sealing... – Cleaning or steam sterilizing

Check valve structure

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

Check valve structure for use in drains

Fluid handling – Self-proportioning or correlating systems – Supply and exhaust type

Check valve structure for use in pump of hydraulic cylinder

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

Check valve with a low inertia moving part for low or high press

Fluid handling – Processes – Cleaning – repairing – or assembling

Check valve with an integral breakaway retainer

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

Check valve with damping device

Fluid handling – Convertible – Unit orientable in a single location between plural positions

Check valve with disc centering device

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

Check valve with dual locking mechanism

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

Check valve with ephemeral seal

Fluid handling – Convertible – Reversible check

Check valve with exchangeable valving elements

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

Check valve with hanger

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

Check valve with hydraulic damping system

Fluid handling – Systems – With flow control means for branched passages

Check valve with inspection means

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

Check valve with locked restraint mechanism

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

Check valve with locking key and pull cord

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

Check valve with multiple doors

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

Check valve with oversized bill

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

Check valve with poppet damping mechanism