JA

John Allen

Rolls-Royce Plc: 5 patents #316 of 2,886Top 15%
AM Amazon: 3 patents #5,147 of 19,158Top 30%
AB Abex: 1 patents #25 of 69Top 40%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #356,849 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6494032 Ducted fan gas turbine engine with frangible connection Kenneth F. Udall, Stephen Hilary Watson 2002-12-17
6431756 Bearing damper Alan R Maquire 2002-08-13
6109022 Turbofan with frangible rotor support Kenneth F. Udall 2000-08-29
6098399 Ducted fan gas turbine engine Martyn Richards, Kenneth F. Udall, David M Beaven 2000-08-08
6009701 Ducted fan gas turbine engine having a frangible connection Christopher Freeman, Peter G. G. Farrar, Martyn Richards, Kenneth F. Udall, David M Beaven 2000-01-04
5667443 Bolt including a cleaning thread point tip 1997-09-16
5499895 Bolt including a cleaning thread point tip 1996-03-19
5374146 Bolt including a cleaning thread point tip 1994-12-20
5128451 Protein V:AIgG binding factor 1992-07-07
4978824 Electrical switches 1990-12-18
4754832 Ski and mount for four wheel vehicle Douglas D. Banghart 1988-07-05
D272987 Rail support fitting for a double post, rail fence unit or the like 1984-03-13
4241797 Impact tool for dislodging stuck drill bits 1980-12-30
4193349 Tie down chain link universal connector fitting 1980-03-18