CH47165A
(en )
1910-06-01
Tap with regulating device for hot water heating systems
CH59481A
(en )
1913-05-16
Tap with regulating device for heating systems
FR12716E
(en )
1910-11-08
Regulating valve for heating systems
FR414118A
(en )
1910-08-26
Regulating valve for heating systems
FR430140A
(en )
1911-10-09
Regulating valve for heating systems
CH46681A
(en )
1910-04-01
Radiator for heating systems
CH67017A
(en )
1914-11-02
Control tap for hot water and steam heating
CH55807A
(en )
1912-09-16
Regulating valve for radiators in heating systems
FR452131A
(en )
1913-05-08
Boiler for heating systems
FR479791A
(en )
1916-05-10
Controller-regulator device for steam heating systems
FR24482E
(en )
1922-07-20
Regulating valve for steam and hot water heating systems
DK23997C
(en )
1919-01-27
Regulator for the Flow of Water in District Heating Systems with Hot Water.
FR374637A
(en )
1907-06-18
Regulating valve for heating systems
CH52944A
(en )
1912-01-16
Steam tap for heating systems
CH42292A
(en )
1909-01-16
Combustion regulator for boilers in hot water heating systems
CH42293A
(en )
1909-01-16
Draft regulator on hot water heating systems
FR462988A
(en )
1914-02-11
Further training in hot water heating systems
CA122082A
(en )
1909-11-23
Valve for hot water heating systems
DK19813C
(en )
1915-02-08
Double-adjustable Adjusting tap with double conical tap duty for steam and hot water heating pipes and the like.
DK16662C
(en )
1912-11-18
Control tap with double Setting for Hot water and Low pressure steam heating systems.
DK20278C
(en )
1915-06-28
Device for Shut-off and Control Taps for Steam and Water Heating Systems.
CH58280A
(en )
1913-03-01
Heating device on steam boilers
FR405310A
(en )
1909-12-27
Improvements to boilers for heating systems
DK15760C
(en )
1912-03-18
Device for Stoves with Water Heaters.
GB190707512A
(en )
1908-02-27
Improved Expansiion Device for Hot Water Heating Systems