AT87326B
(en )
1922-02-25
Distillation kettle, especially for the distillation of heavy hydrocarbons in the petroleum, lignite tar and coal tar industries and the like.
DK22235C
(en )
1917-07-09
Incinerators for Petroleum, Oil and the like.
CA153130A
(en )
1914-01-20
Conveyer for coal, etc.
ES63825A1
(en )
1917-03-01
A procedure for the distillation of coal.
DK23213C
(en )
1918-07-01
Evaporator, especially for Petroleum and the like.
ES55793A1
(en )
1913-08-01
A perfected procedure for the refining of petroleum and other hydrocarbons.
DK18898C
(en )
1914-06-08
Close containers with pressurized liquids.
ES47061A1
(en )
1910-03-01
Insurance for firearms.
ES55599A1
(en )
1913-07-01
Improvements in the coking of coal.
ES64593A1
(en )
1917-06-16
A hydrocarbon lighter.
ES61813A1
(en )
1916-04-01
A procedure with the corresponding press to make briquettes.
ES62820A3
(en )
1916-09-16
Elastic closures for cases.
ES44706A1
(en )
1909-03-01
A procedure with its corresponding apparatus to purify the oil.
ES62246A1
(en )
1916-06-01
A procedure, with its corresponding apparatus, to separate metalliferous particles, by oil flotation.
ES46791A1
(en )
1910-02-01
Improvements in the procedure for obtaining new petroleum products.
CH49163A
(en )
1911-01-16
Containers for matches or the like.
AT53092B
(en )
1912-04-10
Sea mine.
CH60941A
(en )
1913-08-16
Container for potatoes, apples etc.
DK16006C
(en )
1912-05-28
Peat press.
ES46188A1
(en )
1909-11-01
Metal seal for jugs.
CH72534A
(en )
1916-06-02
Dehydrator for fruit etc.
DK26317C
(en )
1920-07-19
Briquette press.
DK16122C
(en )
1912-07-01
Box for oil presses.
CH78114A
(en )
1918-06-17
Folder for documents etc.
ES43801A1
(en )
1908-09-16
An incandescent lighter for the essence of petroleum.