Inventor
CARROLL JOHN B
US20 patents
⚠️ This page may combine multiple inventors who share the name “CARROLL JOHN B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WESTINGHOUSE AIR BRAKE CO
12 patentsUS6009902AJan 4, 2000
Dual valve fitting for enabling quick measurement of pressure
WESTINGHOUSE AIR BRAKE CO89 citations97
US6000433ADec 14, 1999
Precision filtered choke
WESTINGHOUSE AIR BRAKE CO21 citations92
US5072913ADec 17, 1991
Spring loaded locking handle for angle cock or the like
WESTINGHOUSE AIR BRAKE CO25 citations86
US6276492B1Aug 21, 2001
Push rod activated grease nozzle
WESTINGHOUSE AIR BRAKE CO16 citations84
US5333941AAug 2, 1994
High pressure valve for railway car brake control valve device
WESTINGHOUSE AIR BRAKE CO8 citations74
US6142442ANov 7, 2000
Low wattage, high flow electrical control valve
WESTINGHOUSE AIR BRAKE CO14 citations73
US6089268AJul 18, 2000
Dual valve fitting for enabling quick measurement of pressure
WESTINGHOUSE AIR BRAKE CO6 citations73
US6070854AJun 6, 2000
Dual valve fitting for enabling quick measurement of pressure
WESTINGHOUSE AIR BRAKE CO7 citations73
US5544854AAug 13, 1996
Remote control of cut-out cock
WESTINGHOUSE AIR BRAKE CO9 citations73
US5538332AJul 23, 1996
Vibration insulating members for piston valve assembly
WESTINGHOUSE AIR BRAKE CO13 citations73
US5350222ASep 27, 1994
Auxiliary stabilizer valve for VX vent valve
WESTINGHOUSE AIR BRAKE CO12 citations73
US6029700AFeb 29, 2000
Dual valve fitting for enabling quick measurement of pressure
WESTINGHOUSE AIR BRAKE CO2 citations62
WESTINGHOUSE AIR BRAKE TECH CORP
5 patentsUS6375277B1Apr 23, 2002
Manual release valve apparatus for ECP brake equipment
WESTINGHOUSE AIR BRAKE TECH CORP26 citations92
US6763768B2Jul 20, 2004
Ramp latching mechanism
WESTINGHOUSE AIR BRAKE TECH CORP13 citations84
US6628019B2Sep 30, 2003
High efficiency pneumatically driven electric power generator
WESTINGHOUSE AIR BRAKE TECH CORP13 citations84
US6682294B2Jan 27, 2004
Loading ramp deck
WESTINGHOUSE AIR BRAKE TECH CORP11 citations73
US6698849B1Mar 2, 2004
Pneumatic pressure control device for an empty/load changeover valve on a railway car
WESTINGHOUSE AIR BRAKE TECH CORP1 citations52