CH16950A
(en )
1899-03-15
Apparatus for the production of air-free acetylene
CH20353A
(en )
1901-01-31
Apparatus for the production of air-free acetylene
CH15914A
(en )
1898-08-31
Apparatus for the production of acetylene
CH17345A
(en )
1899-05-31
Apparatus for the production of pure acetylene
CH16092A
(en )
1898-09-30
Apparatus for producing acetylene gas
CH18919A
(en )
1900-03-31
Apparatus for producing acetylene
CH11544A
(en )
1896-10-15
Apparatus for the production of acetylene from calcium carbide
DK1936C
(en )
1898-12-05
Apparatus for the production of acetylene.
CH18529A
(en )
1900-01-31
Device for the preparation of acetylene
CH19770A
(en )
1900-09-15
Apparatus for the production and storage of acetylene
CH18843A
(en )
1900-03-15
Apparatus for the manufacture of calcium carbide
CH19885A
(en )
1900-10-15
Apparatus for the manufacture of calcium carbide
CH15136A
(en )
1898-04-15
Improved Apparatus for Making Carbides
CH14511A
(en )
1897-12-15
Apparatus for producing water gas
CH16286A
(en )
1898-10-31
Equipment for the production of acetylene gas
DK2271C
(en )
1899-06-05
Apparatus for the production of acetylene.
CH20261A
(en )
1900-12-31
Apparatus for the production of compressed gas
DK3445C
(en )
1900-10-15
Apparatus for the production of acetylene.
CH18286A
(en )
1899-11-30
Apparatus for the manufacture of corrugated pipes
CH15664A
(en )
1898-07-15
Apparatus for making wallpaper with raised patterns
CH18993A
(en )
1900-04-15
Apparatus for the production of inorganic dyes by means of electrolysis
CH18696A
(en )
1900-03-15
Apparatus for the production of consistent alcohol
CH13964A
(en )
1897-09-15
Forming apparatus for the production of hollow glass bodies
CH16561A
(en )
1898-12-15
Apparatus for making roofing felt
CH19896A
(en )
1900-10-15
Apparatus for the electrolysis of solutions