Inventor

KELLER RICHARD

US7 patents

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

HAGENBUCH ROY GEORGE LE

1 patent

US5249843AOct 5, 1993

No-bounce tailgate assembly

HAGENBUCH ROY GEORGE LE27 citations89

PHILIPPI HAGENBUCH INC

1 patent

US5174632ADec 29, 1992

No-bounce tailgate assembly

PHILIPPI HAGENBUCH INC39 citations89

MICROLAB FXR

1 patent

US3944928AMar 16, 1976

Harmonic communication system

MICROLAB FXR66 citations88

TRIPATH TECHNOLOGY INC

1 patent

US6169681B1Jan 2, 2001

Power supply topology to reduce the effects of supply pumping

TRIPATH TECHNOLOGY INC21 citations85

UNIV CALIFORNIA

1 patent

US5799682ASep 1, 1998

Reduction of diffusional defocusing in hydrodynamically focused flows

UNIV CALIFORNIA13 citations72

FED MOGUL IGNITION LLC

1 patent

US11489316B2Nov 1, 2022

Spark plug shell and method of manufacture

FED MOGUL IGNITION LLC0 citations61

ROLLS ROYCE NAM TECH INC

1 patent

US12421892B2Sep 23, 2025

Hybrid turbine engine with selective electrical module engagement

ROLLS ROYCE NAM TECH INC0 citations47