Inventor
HILLIARD GEOFFREY W
US8 patents
⚠️ This page may combine multiple inventors who share the name “HILLIARD GEOFFREY W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INDUCTIVE SIGNATURE TECH INC
7 patentsUS6342845B1Jan 29, 2002
Automotive vehicle classification and identification by inductive signature
INDUCTIVE SIGNATURE TECH INC80 citations96
US6838886B2Jan 4, 2005
Method and apparatus for measuring inductance
INDUCTIVE SIGNATURE TECH INC29 citations91
US6611210B2Aug 26, 2003
Automotive vehicle classification and identification by inductive signature
INDUCTIVE SIGNATURE TECH INC19 citations91
US6380868B1Apr 30, 2002
Permeability-modulated carrier referencing
INDUCTIVE SIGNATURE TECH INC22 citations91
US6337602B2Jan 8, 2002
Method and apparatus for active isolation in inductive loop detectors
INDUCTIVE SIGNATURE TECH INC18 citations91
US6803859B2Oct 12, 2004
Method and apparatus for active isolation in inductive loop detectors
INDUCTIVE SIGNATURE TECH INC7 citations65
US6639521B2Oct 28, 2003
Inductive sensor and method of use
INDUCTIVE SIGNATURE TECH INC3 citations61