ELECTRICITY ASSOCIATION SERVICES LIMITED patents filed

Company number: 02366837


Title Date Filed Status Publication number
Air conditioning system 1991-06-24 Terminated GB2245967
Hot loop water supply apparatus 1990-07-27 Terminated GB2246421
An ohmic heater 1990-04-10 Terminated GB2243064
A high voltage voltmeter 1990-01-11 Terminated GB2239955
Sensing device 1989-11-15 Terminated GB2238622
Printed circuit board arrangement. 1989-10-13 Terminated GB2237147
Branching electric connector 1989-09-27 Terminated GB2237455
Infra-red radiation source 1989-06-16 Terminated GB2233150
Electromagnetic valve 1988-05-10 Ceased GB2204517
Voltage-to-digital conversion 1986-12-03 Ceased GB2198300
Electrical circuit breaker monitoring apparatus 1986-11-10 Ceased GB2197491
Remote protection of three phase distribution transformers 1986-09-30 Ceased GB2232838
Remote protection of three phase distribution transformers 1986-09-30 Ceased GB2232839
Remote protection of three phase distribution transformers 1986-09-30 Ceased GB2232837
Remote protection of three phase distribution transformers 1986-09-30 Ceased GB2195845
Direction of lightning ground strikes 1985-05-16 Ceased GB2160735
Charge-load support for a glow discharge furnace 1984-08-29 Ceased GB2163897
Channel induction furnaces 1984-02-21 Ceased GB2154840
Temperature of elongate articles 1983-08-05 Ceased GB2124760
Dielectric fluids 1983-05-24 Ceased GB2124253
Plasma torch 1983-02-07 Ceased GB2135157
Phase sensitive detector and frequency component measuring apparatus 1982-07-22 Ceased GB2121191
Channel induction furnaces 1981-09-23 Ceased GB2084438
Channel induction furnaces 1981-09-23 Ceased GB2096439
An electrochemical cell 1981-05-07 Ceased GB2098238
Pulse sampled e l c b 1980-08-11 Ceased GB2081994
Method and apparatus for melting material 1980-07-23 Ceased GB2055029
Power supply systems 1980-07-14 Ceased GB2080640
Glow discharge electron gun 1979-05-14 Ceased GB2050044
Detecting tampering of kilowatt-hour meters 1979-01-11 Ceased GB2040477





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