CH131132A
(en )
1929-01-31
Device for energy supply and temp setting of electrical projectile time detonators.
CH78309A
(en )
1918-07-01
Device for the electrical heating of burners for galvano-caustic and handcrafted pyrography
CH75281A
(en )
1917-08-16
Holders for candles and matchboxes
CH56998A
(en )
1912-12-02
Device for the electrical heating of liquids
FR484386A
(en )
1917-10-02
Bunsen burner
CH81691A
(en )
1919-07-01
Bunsen burner
CH71159A
(en )
1915-12-01
Process and device for the production of electrical heating elements by means of the metal spraying process
CH79987A
(en )
1919-02-01
Method and device for the electrical heating of rivets
CH76908A
(en )
1918-02-16
Burning briquette and process for making the same
CH79445A
(en )
1919-04-16
Device for heat storage for cookers and ovens
CH73664A
(en )
1916-11-01
Device for saving heating material
CH75008A
(en )
1917-05-16
Device for saving heating material
CH80530A
(en )
1919-07-16
Process for the electrical heating of ovens
CH76657A
(en )
1918-01-16
Heater
CH66264A
(en )
1914-08-17
Device for the electrical heating of flowing liquids or gases
CH72881A
(en )
1916-07-17
Device on lighting or heating apparatus for mixed gas
CH76437A
(en )
1917-12-17
Equipment on cellulose cookers and the like for heating the acidic liquor
CH78230A
(en )
1918-07-01
Device for the production of briquettes
CH82898A
(en )
1919-11-01
Device for the electrolysis of halogen alkalis
AT52231B
(en )
1912-02-26
Bunsen burners for lighting and heating purposes.
CH81899A
(en )
1919-12-16
Extraction process and facility for carrying out the process
CH72462A
(en )
1916-06-02
Device for the mechanical spreading of sand
CH68452A
(en )
1915-03-16
Device for water heating
AT88447B
(en )
1922-05-10
Process for the production of electrical insulating materials and the like.
CH74364A
(en )
1917-06-01
Cementing and hardening process and furnace for performing the process