US3898403A
(en )
1975-08-05
Pressure sensitive control apparatus with magnet actuated switch and valve
GB290926A
(OSRAM )
GB1495889A
(en )
1977-12-21
Pressure differential electric switch
FR2448107A1
(fr )
1980-08-29
Dispositif electronique de securite pour un bruleur a combustible fluide, notamment gazeux
GB191315064A
(en )
1914-06-30
Device for Detecting Combustible or Explosive Gases, especially Fire-damp.
GB1396391A
(en )
1975-06-04
Automatic cutout and alarm signalling switch for motor vehicles
GB190123032A
(en )
1902-09-04
Improvements in or relating to Igniting Devices for Explosion Engines.
SU1571452A1
(ru )
1990-06-15
Сигнализатор давлени
GB191503144A
(en )
1915-12-02
Improvements in or relating to Automatic Signalling Apparatus such as Gas Buoys and the like.
GB462317A
(OSRAM )
GB191418773A
(en )
1915-04-29
Improvements in Carburettors for Internal Combustion Engines.
GB190504571A
(en )
1905-08-17
Improvements in Microphones.
GB191213910A
(en )
1913-05-29
Improvements in and relating to Signalling Apparatus.
GB121747A
(en )
1919-01-09
Improvements relating to Carburettors for Internal Combustion Engines.
GB190710958A
(en )
1908-03-26
An Improved Tap or Cock for Gas and the like.
GB433411A
(en )
1935-08-14
Improvements relating to cocks for gas burners
GB190304618A
(en )
1903-12-31
Improvements in Apparatus for Electrically Igniting Miners' Safety Lamps.
GB191503869A
(en )
1916-05-18
An Automatic Water Level Signal or Cut-out (or Interrupter) for Water-cooled Internal-combustion Engines.
GB190510364A
(en )
1906-02-22
Improvements in and relating to Steam Boilers.
GB190913433A
(en )
1909-12-09
Improvements in and relating to Electric Fuses.
GB190817540A
(en )
1909-06-10
Method of & Apparatus for Automatically Igniting & Extinguishing Electric & other Lamps by the Action of the Sun's Rays.
GB190404346A
(en )
1905-02-16
Improvements in or relating to Incandescent Lighting.
GB730225A
(en )
1955-05-18
A new or improved electric lighter
GB191016656A
(en )
1911-07-12
Improvements in Apparatus for Igniting and Extinguishing the Pilot Jets of Gas Burners.
GB115084A
(en )
1918-04-25
Improvements in Switches for Miners' Electric Lamps.