CH23734A
(en )
1902-09-15
Apparatus for producing gas and coke
CH23464A
(en )
1902-07-31
Apparatus for generating gas and recovering by-products
CH21204A
(en )
1901-06-15
Apparatus for generating air gas
CH20538A
(en )
1901-03-15
Apparatus for generating acetylene gas
CH24100A
(en )
1902-11-15
Apparatus for generating gas
CH15738A
(en )
1898-07-31
Apparatus for generating acetylene gas
CH16016A
(en )
1898-09-15
Apparatus for generating acetylene gas
CH26380A
(en )
1903-08-31
Apparatus for generating acetylene gas
CH21865A
(en )
1901-10-15
Apparatus for preparing air gas
CH30878A
(en )
1905-02-15
Apparatus for generating air gas
GB190019578A
(en )
1901-08-17
Improved Method of and Apparatus for Illuminating Water-gauges
CH29342A
(en )
1904-08-15
Apparatus for generating air gas
CH17621A
(en )
1899-07-15
Apparatus for cooling parts of the body
CH19770A
(en )
1900-09-15
Apparatus for the production and storage of acetylene
CH18919A
(en )
1900-03-31
Apparatus for producing acetylene
CH23029A
(en )
1902-05-31
Apparatus for heating high-tension gases with electricity
CH17253A
(en )
1899-05-31
Apparatus for the generation, storage and purification of acetylene gas
CH15222A
(en )
1898-06-30
Apparatus for generating and accumulating acetylene gas
CH24636A
(en )
1903-01-31
Apparatus for the high degree of humidification and simultaneous heating of compressed gases
CH16092A
(en )
1898-09-30
Apparatus for producing acetylene gas
CH20261A
(en )
1900-12-31
Apparatus for the production of compressed gas
CH15220A
(en )
1898-04-30
Apparatus for generating acetylene gas
CH15135A
(en )
1898-04-15
Apparatus for generating acetylene gas
CH15137A
(en )
1898-04-15
Apparatus for generating acetylene gas
CH14801A
(en )
1898-02-28
Apparatus for generating acetylene gas