Inventor

HACKETT DAVID E

US29 patents

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

HACKETT DAVID E

CATERPILLAR INC

Exhaust pulse boosted engine compression braking method

Method of controlling electronically controlled valves to prevent interference between the valves and a piston

Valve cover assembly having an integrated heat exchanger for cooling exhaust gases

Pressure compensating exhaust gas recirculation valve

Hydraulically-driven valve and hydraulic system using same

Valving for dual compression/expansion engine and method of assembling the same

Apparatus for interconnecting an actuator and an exhaust valve opening member

Method of mounting a ceramic valve guide assembly

Valve actuation device

Fluid conditioning module

Apparatus and method for testing internal combustion engine valves

Transfer valve assembly providing variable valve lash

Method of mounting a ceramic valve guide assembly

Modified cylinder head

Engine system having hydraulically actuated gas injector

Recirculating pump inlet

Automatic lash adjuster

Fuel system flush circuitry and method for operating the same

Fluid injector supply system and method for operating same

CATERPILLAR TRACTOR CO

Distributor fuel injection pump having a nutator pump subassembly

Lubrication means for a torque proportioning differential

Slant axis rotary mechanism

Improved lubrication pump for a torque proportioning differential

Rotor constructions for slant axis rotary mechanisms

Accumulator type injection valve including a dump valve for fast response

TOYOTA MOTOR CO LTD

Body for utility vehicle

Pickup truck body

PICKELL MICHAEL E

Shaft arrangement for an axial piston pump assembly

HACKETT DAVID E

Mini truck