AJ

Allan T. Johns

ND National Research Development: 4 patents #45 of 1,071Top 5%
GL Gec Alsthom Limited: 2 patents #4 of 35Top 15%
UB University Of Bath: 1 patents #21 of 90Top 25%
GE: 1 patents #19,878 of 36,430Top 55%
📍 Corsham, GB: #5 of 20 inventorsTop 25%
Overall (All Time): #667,953 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5825189 Method of locating the position of a fault on a power transmission 1998-10-20
5796257 Detecting faults in power lines 1998-08-18
5072403 Equipment for and methods of locating the position of a fault on a power transmission line 1991-12-10
4922368 Method and apparatus for detecting and discriminating faults in transmission circuits 1990-05-01
4782421 Electrical supply line protection apparatus Raj K. Aggarwal 1988-11-01
4617636 Protection of electrical power supply systems Michael A. Martin 1986-10-14
4352137 Methods and apparatus for fault detection 1982-09-28
4261038 Protection of electrical power supply systems Michael A. Martin 1981-04-07