Accumulator piston having multiple elastomeric seals

Actuating plunger of an electromagnetic pump

Actuator with axially movable O-rings between piston and housing

Adjustable expandable cryogenic piston and ring

Adjustable piston pump

Air bearing piston and cylinder assembly

Aluminum alloy for internal-combustion piston, and aluminum allo

Aluminum base alloy piston for internal combustion engines with

Aluminum piston with steel reinforced piston ring grooves

Aluminum plunger piston with thermal expansion regulating strip,

Annular preloaded seal for a sliding piston in cylindrical tank

Antiblow-by piston and seal construction for high temperature ap

Apparatus for measuring human respiration

Arrangement in a combustion engine with internal combustion

Articulated piston

Articulated piston

Articulated piston with a cooling recess having a preestablished

Assembled piston for engine

Assembled piston for engine

Asymmetric oval piston with higher convexity thrust face