Inventor · disambiguated record
Robert Gayfer
Also filed as: GAYFER ROBERT · GAYFER ROBERT P
13 granted patents·157 citations·filing 1991–2010
92Inventor score
Files withNEW YORK AIR BRAKE CORP8KNORR BRAKE HOLDING CORP2GAYFER ROBERT1KNORR BRAKE HOLDING1NEW YORK AIR BRAKE1
Top patents by PatentIndex Score
13 records- 0183US6422521B1Hose support systemNEW YORK AIR BRAKE CORP·Filed 2000·Granted Jul 23, 2002·30 cites·29 claims
- 0274US5211450AEmpty/load valveKNORR BRAKE HOLDING CORP·Filed 1991·Granted May 18, 1993·21 cites·19 claims
- 0370US5429427AAir brake control valve with combined graduated and direct releaseNEW YORK AIR BRAKE·Filed 1994·Granted Jul 4, 1995·17 cites·35 claims
- 0469US6666528B1Empty load deviceNEW YORK AIR BRAKE CORP·Filed 2002·Granted Dec 23, 2003·11 cites·10 claims
- 0566US6709070B1Unidirectional stability choke for a brake control valveNEW YORK AIR BRAKE CORP·Filed 2003·Granted Mar 23, 2004·8 cites·14 claims
- 0664US5400874ASingle actuator truck mount brake systemKNORR BRAKE HOLDING CORP·Filed 1993·Granted Mar 28, 1995·24 cites·16 claims
- 0759US5387030APlural service rate sensitivity control valveKNORR BRAKE HOLDING·Filed 1993·Granted Feb 7, 1995·16 cites·20 claims
- 0855US6176354B1Truck mounted brake beam with removable brake headsNEW YORK AIR BRAKE CORP·Filed 1999·Granted Jan 23, 2001·17 cites·24 claims
- 0953US8522823B2One-way check valveGAYFER ROBERT·Filed 2010·Granted Sep 3, 2013·1 cites·16 claims
- 1043US5501513AEmergency vent valveNEW YORK AIR BRAKE CORP·Filed 1994·Granted Mar 26, 1996·6 cites·13 claims
- 1133US5478142ASingle sided control valve and pipe bracket arrangementNEW YORK AIR BRAKE CORP·Filed 1994·Granted Dec 26, 1995·4 cites·19 claims
- 1230USRE35969ESingle sided control valve and pipe bracket arrangementNEW YORK AIR BRAKE CORP·Filed 1996·Granted Nov 24, 1998·2 cites·21 claims
- 1325USD378229SCombined dirt collector and cut-out cockNEW YORK AIR BRAKE CORP·Filed 1994·Granted Feb 25, 1997·0 cites·1 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →