FR362995A
(en )
1906-07-18
Double finned tubes for heating or cooling liquids
CH16863A
(en )
1899-02-28
Heat accumulator for heating liquids
CH20908A
(en )
1901-04-30
Heating element for heating liquids
CH15558A
(en )
1898-09-15
Apparatus for heating or cooling thick liquids
CH15559A
(en )
1898-09-15
Apparatus for heating or cooling liquids
CH15557A
(en )
1898-08-31
Apparatus for heating or cooling liquids
FR338973A
(en )
1904-10-18
Apparatus for heating liquids
FR321935A
(en )
1903-01-23
Apparatus for heating liquids by electricity
FR2931E
(en )
1904-07-25
Apparatus for heating liquids
FR322406A
(en )
1903-02-04
Apparatus for heating liquids
FR343303A
(en )
1904-10-01
Advanced device system for electrically heating liquids
GB189922116A
(en )
1901-02-04
Improvements relating to Apparatus for Heating Liquids.
CH16352A
(en )
1898-11-15
New element for electric heating
GB189801442A
(en )
1898-12-10
Improvements in Heat Exchanging Apparatus for Fluids.
GB190013923A
(en )
1901-08-03
Improvements in Heat Radiators
FR334463A
(en )
1903-12-22
Heater for domestic use
CH16800A
(en )
1899-02-15
Chipboard briquette for industrial and domestic heating
GB190014501A
(en )
1901-08-14
Improvements in Heating Appliances for Heating Water or other Liquids
FR369694A
(en )
1907-01-17
Removable heating chamber lining for liquid stoves
FR337966A
(en )
1904-05-04
Heat recovery radiator for gas heating
FR3398E
(en )
1904-10-27
Heat recovery radiator for gas heating
FR4190E
(en )
1905-06-10
Heat recovery radiator for gas heating
FR319949A
(en )
1902-11-27
Heater for liquids mainly applicable for baths
FR339514A
(en )
1904-06-11
Vaporization system for heating and other applications
FR339410A
(en )
1904-06-09
Supports for heat distribution plates in radiators