LandOfFree - US Patents - Listing for Fluid handling

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

Pilot-operated relief valve

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

Pilot-operated safety relief valve assembly

Pilot-operated servo-valve

Fluid handling – Systems – Supply and exhaust

Pilot-operated solenoid valve apparatus

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

Pilot-operated spill valve assembly

Pilot-operated valve

Fluid handling – With means for separating solid material from the fluid – Hollow strainer – fluid inlet and outlet perpendicular to...

Pilot-operated valve with integral filter

Pilot-operated valve with load pressure feedback

Pilot-type change-over valve

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

Pilot-type channel valves providing counter-flow prevention

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

Pilot-type two-port vacuum valve

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

Pilot-type two-port vacuum valve

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

Piloted wellhead flow control valve

Fluid handling – Removable valve head and seat unit – Pump type

Pin insert

Fluid handling – Systems – Supply and exhaust

Pin-within-a-sleeve three-way solenoid valve with side load redu

Fluid handling – Processes – Cleaning – repairing – or assembling

Pinch element plastic valve

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

Pinch tube proportioning valve and control cam cartridge therefo

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

Pinch tube tank level control valve with snap-action shutoff

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

Pinch tube tank level control valve with snap-action shutoff