Temporary elastomeric functional barrier membrane and method of manufacture

Stress reactive valve

Pressure relief device integrity sensor

Conduit protection system and method

Valve release mechanism

Flow control device and method for irrigation sprinklers

Method and apparatus for use with an inflow control device

Pressure control and relief system

Pressure control and relief system

Dual-acting multi-actuation mode gate valve

Device for pressure testing of pipes

Non-simmer relief valve

Reverse action flow activated shut-off valve

Channeled shaft check valve assemblies

System for Balancing Forces Acting on a Hermetically-Sealed Container Ship Which is Sinking in a Liquid

Overpressure valve for an aircraft

Pneumatic safety valve

Non-pyrotechnic isolation valve element

Wet barrel fire hydrant flow preventer

Check valve assembly for controlling the flow of pressurized fluids

Full opening and reclosable explosion vent apparatus

Module isolation devices

Wet barrel fire hydrant flow preventer

Rupture control system

Compressor

Liquid dispensing device and method

Check valve assembly for sprinkler head

Water line safety valve

Hydrant knock-off combination flow stop and backflow check valve

Shear mechanism for backpressure relief in a choke valve

Self-contained electronic pressure monitoring and shutdown device