Halliburton Company

Richard C Farris

William S Butler

A piston and cylinder motion dampening device having a spiral groove metering, an orificed two-way pressure relief valve or a screw-on spring or an over-extension limiting seal retainer. A push-together method of assembling a piston and cylinder motion dampening device. A motion dampening device with a baffle chamber.

Method of assembling a shock absorber employing a coil spring

A piston and cylinder motion dampening device having spiral groove metering, an orificed two-way pressure relief valve or a screw-on spring or an over-extension limiting seal retainer. A push-together method of assembling a piston and cylinder motion dampening device. A motion dampening device with a baffle chamber. A method of dampening the motion between two members utilizing a piston and cylinder motion dampening device having spiral groove means, a fixed orifice means and a two-way valve means to meter the fluid contained in the motion dampening device.

Truck damping

A piston and cylinder motion dampening device having spiral groove metering, an orificed two-way pressure relief valve, a screw-on spring and an over-extension seal retainer.

Fluid truck snubber

A piston and cylinder motion dampening device having spiral groove metering, an orificed two-way pressure relief valve or a screw-on spring or an over-extension limiting seal retainer. A push-together method of assembling a piston and cylinder motion dampening device. A motion dampening device with a baffle chamber.

Growing community of inventors

Joshua, TX, United States of America

Richard C Farris