Inventor
GREER DAVID A
US8 patents
⚠️ This page may combine multiple inventors who share the name “GREER DAVID A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WESTINGHOUSE AIR BRAKE CO
7 patentsUS5790427AAug 4, 1998
Event history data acquisition
WESTINGHOUSE AIR BRAKE CO78 citations94
US5752212AMay 12, 1998
Proportional polarity shift wheel slide protection
WESTINGHOUSE AIR BRAKE CO11 citations73
US5740043AApr 14, 1998
Relative spin speed traction control
WESTINGHOUSE AIR BRAKE CO8 citations73
US5654889AAug 5, 1997
Simplified pattern recognition wheel slide protection
WESTINGHOUSE AIR BRAKE CO11 citations73
US5535122AJul 9, 1996
Method of and an apparatus for providing a safety check of the brake retardation capability of a brake system on a vehicle
WESTINGHOUSE AIR BRAKE CO11 citations73
US5471387ANov 28, 1995
Method of and apparatus for the combined detection of speed varying energy level wheel slip detection and determination of wheel slip intensity of a railway vehicle brake system
WESTINGHOUSE AIR BRAKE CO17 citations73
US5677608AOct 14, 1997
Embedded duplex local control panel
WESTINGHOUSE AIR BRAKE CO1 citations50