LandOfFree - US Patents - Listing for Fluid handling

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

One-way valve with flapper for vacuum bag

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

One-way valve with poppet member

Fluid handling – Line condition change responsive valves – Pilot or servo controlled

Online partial stroke testing system using a modified 2004...

Fluid handling – With indicator – register – recorder – alarm or inspection means – Position or extent of motion indicator

Online valve diagnostic monitoring system having diagnostic coup

Fluid handling – With indicator – register – recorder – alarm or inspection means – Liquid level responsive indicator – recorder or alarm

Opaque container fluid indicator

Fluid handling – Systems – Supply and exhaust

Open center unloading valve

Fluid handling – With casing – support – protector or static constructional... – Guards and shields

Open shroud trickle valve

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

Open state maintainable valve device for an inflatable article

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

Open-closed center hydraulic valve assembly

Fluid handling – Systems – Multiple inlet with multiple outlet

Opening and closing valve

Fluid handling – With heating or cooling of the system – With electric heating element

Opening/closing valve

Fluid handling – With indicator – register – recorder – alarm or inspection means – Position or extent of motion indicator

Operating arms forming part of line valves

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

Operating device

Fluid handling – Systems – Sequentially closing and opening alternately seating flow...

Operating equipment for gate valves (passage valves)

Fluid handling – Systems – Multi-way valve unit

Operating equipment for gate valves (passage valves)

Fluid handling – With lock or seal – Locks against rotary motion

Operating member locking device

Fluid handling – Hydrant type – With casing

Operating nut for fire hydrant

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

Operating station for a duct system through which a plug body is

Fluid handling – Systems – Valves with separate – correlated – actuators

Operating structure for a brake valve construction