Inventor

SMITH DAVID P

US56 patents

⚠️ This page may combine multiple inventors who share the name “SMITH DAVID P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SMITH DAVID P

CATERPILLAR INC

Hydraulic regeneration system

Electrohydraulic valve arrangement

Electro-hydraulic pump control system

Fluid system for two hydraulic circuits having a common source of pressurized fluid

Variable pump control for hydraulic fan drive

Control system for a hydrostatic transmission

Variable position detent mechanism for a control lever

Hydraulic regeneration system

Adaptive overspeed control for a hydrostatic transmission

Hydrostatic transmission control system

Blade control system for an earthmoving blade

Method of manufacturing a piston for an axial piston fluid translating device

Hydraulic system having in-sump energy recovery device

Fluid system having variable pressure relief

Variable pressure relief valve

Method and apparatus for managing fluid pressure using an accumulator

High force feel bumper with low final load

Poppet valve arrangements

High force variable position detent mechanism

System and method for starting an engine

Electro-hydraulic valve and system

Face seal with inner and outer seal retainer members

Self-energizing one piece seal

Operator controlled electrical output signal device

Overspeed control for a hydrostatic transmission

Quick drop valve

Active pitch control for a mobile machine

System for definable single lever control shift pattern joint

Hydraulic quick drop circuit

Braking apparatus and method for use with a moving vehicle

Hydro-mechanical combiner

Compact pump or motor with internal swash plate

MINNESOTA MINING & MFG

Belt for belt-driven recording tape pack

Ribbed-belt for belt-driven tape pack

Tape guide for a data cartridge

Method of making a belt for belt-driven recording tape pack

Drive belt corner guide roller with structured inner surface for a data cartridge

IMATION CORP

Belt-driven data cartridge with reduced tape pack deformation

Belt-driven data cartridge with pack belt

One piece capstan for a tape cartridge

GEN ELECTRIC

Conductively enclosed hybrid integrated circuit assembly using a silicon substrate

Method of electroding a poly(vinylidene fluoride) solid

WELLWORC INC

Real time flow analysis methods and continuous mass balance and wellbore pressure calculations from real-time density and flow measurements

Real time flow analysis methods and continuous mass balance and wellbore pressure calculations from real-time density and flow measurements

CATERPILLAR MITSUBISHI LTD

Metering valve with integral relief and makeup function

Electro-hydraulic metering valve with integral flow control

TRW INC

Countermeasure apparatus for deploying interceptor elements from a spin stabilized rocket

AFFYMETRIX INC

Techniques for synthesis integrity evaluation utilizing cycle fidelity probes

ANALOG DEVICES GLOBAL

Current sensor and a method of manufacturing a current sensor

SCHLUMBERGER TECHNOLOGY CORP

System and method for measuring an orientation of a downhole tool