LandOfFree - US Patents - Listing for Spring devices

Spring devices – Resilient shock or vibration absorber – Tool movement dampening

Drill string shock absorber

Spring devices – Fluid – Expansible-contractible chamber device

Drill string shock absorber with improved pin type torque transm

Spring devices – Fluid – Expansible-contractible chamber device

Drill string shock absorber with pressurized lubricant system

Spring devices – Fluid – Expansible-contractible chamber device

Drill string shock absorbing apparatus

Spring devices – Spring panel – Spring means spacing loading surface vertically from plane...

Drop-in seat spring unit assembly

Spring devices – Spring panel – Spring means spacing loading surface vertically from plane...

Drop-in unit, grid insert therefor and method of making same

Spring devices – Vehicle – Compound

Dry viscous spring damper

Spring devices – Vehicle – Compound

Dry viscous spring strut

Spring devices – Vehicle – Comprising compressible fluid

Dual acting hydraulic actuator for active suspension system

Spring devices – Vehicle – Comprising compressible fluid

Dual airbag airspring

Spring devices – Vehicle – Comprising compressible fluid

Dual chamber air spring

Spring devices – Vehicle – Comprising compressible fluid

Dual chamber shock absorbers for aircrafts and the like

Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature

Dual chambered, active vibration damper with reactive force prod

Spring devices – Coil – Plural – one within another

Dual concentric canted-coil spring apparatus

Spring devices – Bendable along flat surface – Flexural support

Dual disc spring

Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature

Dual elastomeric/fluid engine mount

Spring devices – Vehicle – Comprising compressible fluid

Dual height airspring having adjusted spring rate

Spring devices – Resilient shock or vibration absorber – Nonmetallic – resilient element

Dual hemisphere elastomer mount

Spring devices – Vehicle – Comprising compressible fluid

Dual in-line height control valve assembly