CH7811A
(en )
1894-06-30
Device to facilitate the lighting of enclosed gas flames
CH7006A
(en )
1893-12-30
Device to facilitate mountaineering
CH5053A
(en )
1892-10-15
Device for increasing the luminosity of flames
CH26121A
(en )
1903-07-31
Device for the production of luminous and heating gas
CH9140A
(en )
1895-03-31
Incandescent body for lighting by means of gas
CH9037A
(en )
1895-02-28
Device for turning off arched crown surfaces of transmission organs
CH40930A
(en )
1908-09-01
Device to prevent the whistling of burning gas incandescent lamps
CH7004A
(en )
1893-12-15
Alarm clock with lamp and device for lighting the same by means of the chime
ES14374A1
(en )
1893-05-01
Improvements in the manufacture or production of gas for lighting.
CH29357A
(en )
1904-08-15
Device to prevent the flame from spreading through incandescent gas burners
CH7074A
(en )
1894-01-31
Apparatus for the production of combustible gases, cyanides and ammonia
FR2884E
(en )
1904-07-12
Acetylene gas production apparatus
CH9971A
(en )
1895-09-30
Device for the production of double flanges on pipes
CH30647A
(en )
1905-01-15
Gas incandescent regulator
CH31974A
(en )
1905-05-31
Gas incandescent burner
CH6885A
(en )
1893-11-30
Gas incandescent burner
CH31441A
(en )
1905-04-15
Device for producing a gas-air mixture
CH6789A
(en )
1893-10-31
Gas cooker
CH43705A
(en )
1909-06-01
Device for fastening the protective cage of the incandescent body for invert lamps
CH188E
(en )
1895-08-31
Device for lighting ovens
CH8294A
(en )
1894-09-30
Device for lighting ovens
CH12038A
(en )
1896-09-30
Device for increasing the luminosity of incandescent mantles
FR357054A
(en )
1905-12-16
Improvements made to globes or lanterns of down-lighting lamps
CH30432A
(en )
1904-12-15
Device for the production of insulating tubes
CH28005A
(en )
1904-03-15
Device for magnetically influencing the arc of arc lamps