US3898403A
(en )
1975-08-05
Pressure sensitive control apparatus with magnet actuated switch and valve
GB290926A
(enrdf_load_stackoverflow )
GB852101A
(en )
1960-10-26
Improvements in or relating to power gas generating cartridges for engine starters
US2442945A
(en )
1948-06-08
Spark plug
US1733334A
(en )
1929-10-29
Method and means of storage-battery electrolyte control
GB126766A
(en )
1919-05-16
Improvements in Electric Cells or Batteries.
GB191315064A
(en )
1914-06-30
Device for Detecting Combustible or Explosive Gases, especially Fire-damp.
GB190901755A
(en )
1910-01-20
Improvements in Devices for Igniting Explosive Charges in Internal Combustion Engines.
GB190123032A
(en )
1902-09-04
Improvements in or relating to Igniting Devices for Explosion Engines.
GB191503144A
(en )
1915-12-02
Improvements in or relating to Automatic Signalling Apparatus such as Gas Buoys and the like.
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.
GB190812908A
(en )
1908-07-02
An Improved Sparking-plug for Explosion 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.
GB190311894A
(en )
1904-03-31
Improvements in or connected with Means for Electrically Igniting Miners' Safety Lamps.
GB190723413A
(en )
1908-03-19
An Improved Thermally Operated Automatic Lubricator.
GB190510364A
(en )
1906-02-22
Improvements in and relating to Steam Boilers.
GB190913433A
(en )
1909-12-09
Improvements in and relating to Electric Fuses.
GB191315271A
(en )
1914-02-05
Improvements in and relating to Safety Devices for Automatically Cutting-off the Discharge of Gas from Gas-holders.
GB190404346A
(en )
1905-02-16
Improvements in or relating to Incandescent Lighting.
GB730225A
(en )
1955-05-18
A new or improved electric lighter
GB115084A
(en )
1918-04-25
Improvements in Switches for Miners' Electric Lamps.