1
Henry J F Stroud, Kenneth R Tart: Production of substitute natural gas. British Gas Corporation, Watson Cole Grindle & Watson, January 9, 1979: US04133825 (235 worldwide citation)

Synthesis gases containing carbon monoxide, eg above 40% volume, and hydrogen are methanated to produce substitute natural gas, after CO.sub.2 removal, wherein the synthesis gas is simultaneously saturated with water, further heated and divided into first and second feed gas streams. The first feed ...


2
Henry P McNair, Christos P Bakopoulos: Control system. British Gas, Oblon Spivak McClelland Maier & Neustadt P C, January 21, 1997: US05595342 (176 worldwide citation)

A boiler control system includes a room temperature sensor 10 which utilises radio transmission to send temperature information via antenna 11 to receiver 15 via antenna 16. The receiver will provide an output to a control unit 18 to cause actuation of the boiler 19 for example if the room temperatu ...


3
Haydn S Davies, James H Garstang, Cyril Timmins: Vaporization and gasification of hydrocarbon feedstocks. British Gas Corporation, Larson and Taylor, August 23, 1983: US04400182 (113 worldwide citation)

Heavy hydrocarbon feedstocks, e.g. gas oils, are vaporized and subsequently gasified at high temperatures without pyrolytic degradation by first admixing the hydrocarbon with a hot gaseous reactant, e.g. product gas or steam, to bring the temperature of the mixture above that of the dew point of the ...


4
Malcolm Wayman, Geoffrey I Mood: Replacing mains. British Gas Corporation, Larson and Taylor, June 23, 1987: US04674914 (74 worldwide citation)

The invention relates to a self-propelled apparatus 1 for replacing main such as a gas main 2, comprising a single double acting hydraulic piston and cylinder combination 3 connected with slidable devices 4, 6 operable by the device for step-by-step movement of the apparatus through the main on alte ...


5
Dickinson Alan John, Ward Peter: Device for controlling the position of a self-propelled drilling tool.. British Gas, March 7, 1990: EP0357314-A2 (69 worldwide citation)

A percussive-action mole 10 is energised by compressed air supplied through hollow rods 36 in a string 12 connected to the mole. A hydraulic motor 18 rotates the string and mole. The mole head 30 has a slant face 32 and a transverse permanent magnet 34. After each new rod is added to the string, the ...


6
Andrew Smart: Pipeline vehicle. British Gas, Oblon Spivak McClelland Maier & Neustadt P C, March 9, 1999: US05878783 (68 worldwide citation)

An in-pipe vehicle for carrying out at least one operation in a pipeline. The vehicle comprises a train of modules 11-16 interlinked by suspension units 17 to allow serpentine movement through pipe bends. The vehicle train has its own internal power supply and drive mechanism in respective modules. ...


7
Alan J Dickinson, Peter Ward: Moling system. British Gas, Larson and Taylor, March 26, 1991: US05002137 (60 worldwide citation)

A percussive-action mole 10 is energized by compressed air supplied through hollow rods 36 in a string 12 connected to the mole. A hydraulic motor 18 rotates the string and mole. The mole head 30 has a slant face 32 and a transverse permanent magnet 34. After each new rod is added to the string, the ...


8
Andrew Smart: Pipeline vehicle with linked modules and carriages. British Gas, Oblon Spivak McClelland Maier & Neustadt P C, August 22, 2000: US06107795 (59 worldwide citation)

An in-pipe vehicle for carrying out at least one operation in a pipeline. The vehicle comprises a train of modules 11-16 interlinked by suspension units 17 to allow serpentine movement through pipe bends. The vehicle train has its own internal power supply and drive mechanism in respective modules. ...


9
Roy Streatfield, Francis D Wilson, Roger England: Method of replacing mains. British Gas Corporation, Larson and Taylor, April 19, 1988: US04738565 (54 worldwide citation)

A method for replacing an existing buried pipe of a crackable, fracturable material. By the application of a local intense pressure, the pipe is cracked and fractured into irregular fragments which are spread outwardly to provide space for a new replacement tubular assembly which is moved into the s ...


10
Reginald George Sinclair Banks, David James Paterson, Alan Williams: Catalytic steam reforming and catalysts therefor. British Gas Corporation, Larson Taylor and Hinds, August 1, 1978: US04104201 (54 worldwide citation)

A catalyst suitable for steam reforming, especially at low temperatures and high pressures, which is resistant to polymer deactivation, comprises nickel, alumina and ruthenium, optionally together with an oxide, hydroxide or carbonate of an alkali metal or alkaline earth-metal wherein the amount of ...