CH70106A
(en )
1916-01-17
Electric device for heating liquids
CH69733A
(en )
1915-08-02
Electric device for heating liquids
FR439898A
(en )
1912-06-26
Electric device for heating liquids
FR487157A
(en )
1918-06-12
Electric device for heating liquids
CH75223A
(en )
1917-11-16
Electric device for heating liquids
FR477959A
(en )
1915-11-18
Heating device for all applications
FR483805A
(en )
1917-08-14
Switch for electric liquid heaters
FR483804A
(en )
1917-08-14
Improvements to electrical devices for heating liquids
FR483806A
(en )
1917-08-14
Improvements to electrical devices for heating liquids
FR498111A
(en )
1919-12-30
Device for electric space heating
FR478709A
(en )
1916-01-05
Improvements to devices for electric heating of liquids
CH71433A
(en )
1916-01-03
Electric liquid heater
FR442136A
(en )
1912-08-24
Heating device for automobiles
FR518753A
(en )
1921-05-31
Electric heating device for boiler
CH65604A
(en )
1914-08-01
Container for heating liquids
FR427296A
(en )
1911-07-31
Electric heater for metal parts
FR490077A
(en )
1919-04-01
Catelle stove for electric heating
CH71562A
(en )
1916-06-16
Catelle stove for electric heating
CH80630A
(en )
1919-04-01
Catelle stove for electric heating
FR467482A
(en )
1914-06-12
Ceramic heaters for central heating installations
FR480130A
(en )
1916-06-22
Electric heater
FR424024A
(en )
1911-05-03
Apparatus for heating liquids
FR623999A
(en )
1927-07-05
Electrically heated draw-off tap for easily solidifying liquids
FR507574A
(en )
1920-09-18
Advanced device for heating liquids
FR443238A
(en )
1912-09-19
Electric radiator for heating