FR643142A
(en )
1928-09-10
Method and apparatus for identifying crystals
FR632338A
(en )
1928-01-07
Method and apparatus for monitoring gas and water pipelines under pavements
FR38449E
(en )
1931-06-03
Method and apparatus for monitoring gas and water pipelines under pavements
FR658452A
(en )
1929-06-05
Method and apparatus for cooling drinking water
FR657118A
(en )
1929-05-17
Method and apparatus for thermal decomposition of hydrocarbons
FR636162A
(en )
1928-04-03
Method and apparatus for cleaning gases, allowing optimum use of the absorbent materials employed
FR704257A
(en )
1931-05-16
Method and apparatus for the purification and sterilization of water
FR621856A
(en )
1927-05-19
Method and apparatus for degassing water
FR613610A
(en )
1926-11-25
Method for spreading tar or similar substances, and apparatus permitting the implementation
FR713917A
(en )
1931-11-04
Method and apparatus for sterilizing water
FR580389A
(en )
1924-11-05
Method and apparatus for heating bundles of water tubes by hot gases licking the tubes
FR615253A
(en )
1927-01-04
Method and device for the production of carburized water gas
FR630667A
(en )
1927-12-07
Method of constructing apparatus for heating water and resulting products
FR616520A
(en )
1927-02-03
Method and apparatus for removing water from the vaporizer in absorption refrigeration machines operating periodically
FR655971A
(en )
1929-04-25
Method and apparatus for cleaning boilers
FR672383A
(en )
1929-12-27
Method and device for sterilizing water
FR629135A
(en )
1927-11-04
Method and apparatus for spraying fluids
FR668764A
(en )
1929-11-06
Method and apparatus for heating boiler feed water
FR582823A
(en )
1924-12-29
Method and apparatus for the production of water gas
FR605321A
(en )
1926-05-25
Method and apparatus for removing, by injections of water, the residues, even voluminous, of the combustion
FR600215A
(en )
1926-02-02
Apparatus and method for crushing ferruginous earth from gas works and other similar wet and bonding materials
FR659035A
(en )
1929-06-24
Device and method for water cooling shut-off members for hot gas pipes or other hot substances or other similar devices
FR712329A
(en )
1931-09-30
Method and apparatus for measuring water depths and more especially for monitoring the immersion of an apparatus floating between two waters
FR657345A
(en )
1929-05-21
Method and apparatus for supplying water to boilers
FR623386A
(en )
1927-06-23
Method and apparatus for identifying substances