AT88414B
(en )
1922-05-10
Method of providing objects to be electrically heated with a heater
CH59350A
(en )
1913-05-02
Heating method
CH74578A
(en )
1917-03-16
Has heating furnace with superheater
CH58763A
(en )
1913-04-01
Circuit to compensate for the influence of temperature on the current strength in a resistor, the size of which increases with temperature
CH73517A
(en )
1916-10-16
Motorbike with trailer
CH74796A
(en )
1917-04-16
Self-seller with a basic fee
CH74994A
(en )
1917-05-16
Process to achieve a secure contact with arc light electrodes with wick rod in the carbon jacket
CH73507A
(en )
1916-10-16
plug
DK21176C
(en )
1916-04-25
Process for the production of radioactive mineral waters with a content of radium-precipitating acids.
CH74076A
(en )
1917-01-02
Horseshoe with anti-slip insert
CH73382A
(en )
1917-03-01
Device for writing with a pen
CH74348A
(en )
1917-02-16
Toy top with device for starting the same
CH55410A
(en )
1912-08-16
Process for wrapping metal rods with celluloid
DK20960C
(en )
1916-01-31
Heater.
CH71672A
(en )
1916-02-01
Plant for heating greenhouses
CH73173A
(en )
1916-09-01
Hot water tank with electric heating
CH73311A
(en )
1916-09-16
Advanced Roskopf Barrel
CH67915A
(en )
1915-02-01
Process for softening water
CH56838A
(en )
1912-11-16
Process for mixing carbides with halogen salts
DK21332C
(en )
1916-07-10
Electric Heating Element.
FR481748A
(en )
1917-01-09
Heater imitating a book
FR482288A
(en )
1917-03-08
Self-regulating dynamo
DK21503C
(en )
1916-09-11
Electrical Resistance Element.
AT41056B
(en )
1910-02-25
Method for firing porcelain stoves with double firing.
AT90734B
(en )
1923-01-10
Process for the production of writing boards with enamel coating.