CH14252A
(en )
1897-11-30
Lime and coal shaped piece
CH15817A
(en )
1898-08-15
Coal crusher
CH13710A
(en )
1897-08-15
Plant for the production of peat coal
FR341333A
(en )
1904-08-05
Artificial coal mining
CH42850A
(en )
1909-03-01
Coal mixture
CH13921A
(en )
1897-09-15
Vaporiferous gasifier
AU406305B
(en )
1906-01-23
Improvements relating to petroleum and like lamps
FR389900A
(en )
1908-09-21
Improvements to waste incinerators
FR347823A
(en )
1905-03-24
Improvements to non-refillable bottles
FR344729A
(en )
1904-11-11
Improvements to non-refillable bottles
GB190401186A
(en )
1904-11-17
Improvements relating to AcetyleneLamps
GB190429170A
(en )
1905-04-20
Improvements in Gas Producers
CH14016A
(en )
1897-09-30
Automatic lump
FR395098A
(en )
1909-02-09
Improvements in the distillation of bituminous coal or similar carbonaceous substances
FR387657A
(en )
1908-07-20
Improvements to furnaces for coal distillation
GB190402861A
(en )
1904-12-08
Improvements relating to the Hydraulic Mains of Coal or other Gas Retorts and the like
AU2004B
(en )
1905-01-24
Improvements in gas producers
CH15317A
(en )
1898-05-15
Smoke-absorbing furnace
CH264E
(en )
1899-05-15
Smoke-absorbing furnace
CH44064A
(en )
1909-07-01
Ash bin for sifting furnace ash
AU344005B
(en )
1905-10-24
Improvements inthe manufacture of briquette fuel from coal mine waste or dust coal
GB189600765A
(en )
1896-11-28
Improvements relating to Coal Tipplers and like Machinery.
CH14590A
(en )
1897-12-31
Furnace grate
CH25878A
(en )
1903-07-15
Installation for the processing of scrubbing liquid used to purify coal gas
FR347601A
(en )
1905-03-17
Improvements to mechanical closures