Radial seal hydraulic coupler

Rainwater collection and distribution apparatus and method

Rainwater recovery system

Rapid hot water apparatus and method

Rapid installation mobile water modifying system and related...

Rapidly opening electromagnetic valve

Ratio mixing valve and method for controlling dither in same

Reactants addition and concentration control system

Reciprocating feed system for fluids

Recovery system for spray painting installation with automatic c

Reduced-length sleeve valve

Reducing the necessary pressure drop through slide valves

Reduction of diffusional defocusing in hydrodynamically focused

Reduction of heat transfer between a body and its environment

Reduction of heat transfer between a body and its environment

Redundant array control system for water rides

Redundant valve system

Reel spool and stand assembly for coiled tubing injector system

Reels and carriers therefor

Refiner control method and system