Inventor

ENGEL WILLIAM K

US17 patents

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

ENGEL WILLIAM K

CATERPILLAR INC

Apparatus and method for a piston assembly

Balanced free-planet drive mechanism

Piston assembly for a fluid translating device

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

Digital electro-hydraulic valve arrangement

Retaining device for axial piston machines

Axial piston pump with off-center pivot

Method of producing a piston assembly

Axial piston fluid translating unit with sealed barrel plate

Seal ring with attached biasing means

CATERPILLAR TRACTOR CO

Mechanical multiplier for the purpose of speed and steering control for hydrostatic system

Displacement control valving for a radial piston device

Combination shuttle and high-pressure relief valve

Radial piston pump or motor with unrestricted inlet means

Radial piston fluid translating device with power conserving scavenging means

Centrifugal replenishing pump for a hydrostatic pump motor system

Self-filling fluid device