CH24583A
(en )
1903-01-31
Installation for the purification of oils and fats in general
FR518593A
(en )
1921-05-27
Grease and oil purification process
FR328403A
(en )
1903-07-10
Oil and grease separator
FR472776A
(en )
1914-12-17
Process for improving the quality of mineral oils and other liquid mixtures of hydrocarbons of similar composition
FR348880A
(en )
1905-05-01
Apparatus for the purification of thick oils and greases or lubricants for machines
FR340683A
(en )
1904-07-13
Apparatus for the removal and separation of dust and other solid bodies of whatever nature and origin.
FR361409A
(en )
1906-06-22
Lamp for the combustion of oils or essences
FR337453A
(en )
1904-04-11
oil and water purifier
FR361395A
(en )
1906-06-22
Process for the preparation of emulsions of heavy mineral oils and other similar substances
FR472888A
(en )
1914-12-22
Improvements in the hydrogenation of fats and oils
FR328945A
(en )
1903-07-23
Press for oil extraction and other applications
FR3129E
(en )
1904-09-10
Diastatic saponification of oils and fats, not providing appreciable impurities in the saponification medium
FR360970A
(en )
1906-05-09
Device for the purification of water and other liquids
FR325768A
(en )
1903-05-07
Process for the purification of fats and oils, in particular coconut oil
FR335407A
(en )
1904-01-25
Tank gauge for automobiles and others
FR398411A
(en )
1909-06-04
Method and apparatus for the purification of used lubricating oils
FR351391A
(en )
1905-07-13
Filter for oil and other liquids
FR338356A
(en )
1904-05-17
Oil washer-settler
FR456829A
(en )
1913-09-05
Double carburetor, for the use of petrol, petroleum and mineral oils
FR474960A
(en )
1915-03-29
Process and device for the separation of fatty substances and oils
CH30008A
(en )
1904-10-31
Installation for purifying sewage and other waste water
FR488873A
(en )
1918-11-21
Improvements to the distillation of heavy oils, oil residues and bitumens
CH16849A
(en )
1899-02-28
Device for the treatment of impotence
FR336808A
(en )
1904-03-18
Oil washer-settler
FR361262A
(en )
1906-05-29
Apparatus system for enemas of oil and other liquids