CH20261A
(en )
1900-12-31
Apparatus for the production of compressed gas
CH18917A
(en )
1900-04-30
Carburation apparatus for the production of air gas
CH18843A
(en )
1900-03-15
Apparatus for the manufacture of calcium carbide
CH19885A
(en )
1900-10-15
Apparatus for the manufacture of calcium carbide
CH18696A
(en )
1900-03-15
Apparatus for the production of consistent alcohol
CH16092A
(en )
1898-09-30
Apparatus for producing acetylene 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
GB189916619A
(en )
1899-11-18
Improved Process of and Apparatus for the Production of Illuminating Gas.
CH20353A
(en )
1901-01-31
Apparatus for the production of air-free acetylene
CH21865A
(en )
1901-10-15
Apparatus for preparing air gas
CH13964A
(en )
1897-09-15
Forming apparatus for the production of hollow glass bodies
CH15914A
(en )
1898-08-31
Apparatus for the production of acetylene
CH19896A
(en )
1900-10-15
Apparatus for the electrolysis of solutions
CH18279A
(en )
1899-11-30
Apparatus for the manufacture of alkalis by electrolysis
GB189916618A
(en )
1899-09-30
Process for and Apparatus for the Production of Compressed Gas.
CH18286A
(en )
1899-11-30
Apparatus for the manufacture of corrugated pipes
CA66755A
(en )
1900-03-26
Apparatus for the manufacture of gas
GB189925009A
(en )
1900-11-24
Improved Apparatus for the Production of Gas.
CH17345A
(en )
1899-05-31
Apparatus for the production of pure acetylene
CH18736A
(en )
1900-02-28
Device for the production of carbonic acid gas baths
CH16950A
(en )
1899-03-15
Apparatus for the production of air-free acetylene
CH14511A
(en )
1897-12-15
Apparatus for producing water gas
CH18585A
(en )
1900-01-31
Apparatus for the production of Portland cement
DK1958C
(en )
1899-01-02
Apparatus for the production of regular and increased respiration.