LandOfFree - US Patents - Listing for Expansible chamber devices

Expansible chamber devices – With toothed gear – spline or thread rigid with working member

Membrane actuator

Expansible chamber devices – Collapsible chamber wall portion – Wall portion formed of flexible material

Membrane arrangement for a pressure switch or for a pressure-res

Expansible chamber devices – With force exerting means to move fluid from non-working...

Membrane pump

Expansible chamber devices – Piston – Welded – brazed or soldered

Metal matrix composite piston head and method of fabrication

Expansible chamber devices – Piston – With separable means for pivotally mounting connecting rod...

Metal piston and ceramic piston pin assembly

Expansible chamber devices – Piston – Nonmetallic portion

Metallic cap for molded plastic disc brake pistons

Expansible chamber devices – Collapsible chamber wall portion – Wall portion formed of flexible material

Metering pump with a protected pump chamber

Expansible chamber devices – Cylinder detail – Cylinder or liner retained in casing by casing closure or...

Method an apparatus for producing high pressure compressor...

Expansible chamber devices – With assembly or disassembly facilitating means

Method and apparatus for attaching a piston to a connecting rod

Expansible chamber devices – Displacement control of plural cylinders arranged in... – Parallel cylinders

Method and apparatus for controlled axial pump

Expansible chamber devices – Displacement control of plural cylinders arranged in... – Parallel cylinders

Method and apparatus for controlling axial device

Expansible chamber devices – Displacement control of plural cylinders arranged in... – Parallel cylinders

Method and apparatus for controlling axial pump

Expansible chamber devices – Displacement control of plural cylinders arranged in... – Flexible wall-type working member

Method and apparatus for diaphragm pumping with adjustable flow

Expansible chamber devices – Piston – With ported chamber in piston part for circulating heat...

Method and apparatus for making a two piece unitary piston

Expansible chamber devices – Piston – With ported chamber in piston part for circulating heat...

Method and apparatus for making a two piece unitary piston

Expansible chamber devices – Piston – With ported chamber in piston part for circulating heat...

Method and apparatus for making a two piece unitary piston

Expansible chamber devices – With guide or seal on cylinder end portion for piston or... – Non-metallic seal means between piston or member and end...

Method and apparatus for pressurizing vaporous fluids

Expansible chamber devices – With removal conduit for liquid seepage from expansible chamber

Method and apparatus for protecting a cylinder of an hydraulic e

Expansible chamber devices – With removal conduit for liquid seepage from expansible chamber

Method and apparatus for returning the drain oil of a...