ES10272A1
(en )
1890-02-01
A concentrating washing machine for gold sands, alluvium and other minerals.
CH10127A
(en )
1895-10-31
Machine for jumbling materials
CH10129A
(en )
1895-10-15
Machine for jumbling materials
CH10128A
(en )
1895-10-15
Machine for jumbling materials
FR319489A
(en )
1902-11-13
Sand and stone separator for beet washing machines
CH47A
(en )
1888-12-31
Sifting machine
DK547C
(en )
1896-06-08
Sifting and washing machine for Sand, Gravel, Coal, Ore and the like.
USRE11012E
(en )
1889-07-16
Magnetic separator
FR334974A
(en )
1904-01-07
Hydraulic ore grading machine
FR429025A
(en )
1911-09-13
Machine for sorting coins and putting them in bags or rolls
CH1994A
(en )
1890-07-15
Machine for hollowing out precious stones (Machine à creuser les pierres dures)
FR357771A
(en )
1906-01-13
Apparatus for crushing or crushing, washing and sorting ores
CH823A
(en )
1889-06-22
Improvements in refrigeration machines
CH11958A
(en )
1896-09-15
Gravel and sand washing machine
DK341C
(en )
1896-01-06
Net binding machine.
CH9588A
(en )
1895-06-30
Machine for washing sand and gravel and other granular materials
GB189513725A
(en )
1896-05-02
Sifting and Washing Machine for Sand, Gravel, Coal, Ores, and other Material.
CH27850A
(en )
1904-06-30
Gravel and sand sorting machine
CH50035A
(en )
1911-04-17
Machine for mixing sand and stone chips
CH10774A
(en )
1896-02-15
Sieve and washing machine for sand, gravel, coal, ores and other materials
CH16968A
(en )
1899-03-15
Washing and sorting machine for gravel, ores, coal and other materials
FR331325A
(en )
1903-09-04
Improvements in disintegrating machines
FR375374A
(en )
1907-07-08
Machine for cleaning, separating and sorting granular materials
CH12672A
(en )
1897-02-15
Innovation in machines for separating lighter from heavier materials
CH9596A
(en )
1895-06-30
Sorting and washing machine for granular materials