Device for Transferring Heat from a Gaseous Working Medium

Mechanical refrigeration system

DEVICE AND METHOD FOR COMPRESSING A LOW-PRESSURE GAS

PLUNGER LIST ASSEMBLY WITH AN IMPROVED FREE PISTON ASSEMBLY

Suction pumps

Plunger lift assembly with an improved free piston assembly

Split-chamber rotary engine improvements

Durable dart plunger

Plunger lift assembly with an improved free piston assembly

Free piston device

Free piston linear motor compressor and associated systems of operation

Ultrahigh-pressure homogenizing integrated device and cell disruptor

Homogenized and integrated device with coaxial line and double-high pressure cylinder

Durable dart plunger

Cylinder

Thermal-operated pump

Plunger lift assembly with an improved free piston assembly

Free piston linear motor compressor and associated systems of operation

Multipurpose gravity air compressor

Double acting refrigeration compressor

Combined piston-expander compressor

Dynamic system for refrigeration equipment

Hydraulic piston engine

Simplified piston slidable in a cylinder

Method and apparatus for compressing a gas to a high pressure

Singlestage and multistage electromagnetic revolutionary piston pump

Device for circulating sealing gas for mechanical dry seals of a centrifugal compressor at times when the machine is stationary and pressurized

Gas propulsion thrust device