CH78836A
(en )
1918-09-02
Alternating shut-off device for the main line of hot water heating systems, water heating systems, gas tanks or the like
DK26064C
(en )
1920-05-31
Integrating Heat Amount Meters for Hot Water Systems and the like.
CH79446A
(en )
1918-12-02
Boilers for hot water heating
CH81109A
(en )
1919-05-16
Hot water bottle
CH77838A
(en )
1918-10-16
Control and shut-off valve for steam, water etc.
CH80188A
(en )
1919-02-17
Double adjustable valve for central heating with hot water or steam operation
DK25783C
(en )
1920-04-06
Hot water heating system.
CH79420A
(en )
1918-11-16
Self-seller for electricity, gas or liquid
CH78648A
(en )
1918-08-16
Gas cooking facility with hot water supply
DK22900C
(en )
1918-03-18
Water heater with hot water tap and circulation line for gas appliances and the like.
DK33607C
(en )
1924-09-01
Method for the manufacture of hot water tanks for central heating systems and the like.
CH76886A
(en )
1918-07-01
Regulating valve for steam and hot water heating
FR519251A
(en )
1921-06-07
Regulating valve especially suitable for central heating systems
CH81527A
(en )
1919-11-17
Liquid supply for gas lines, in particular in acetylene burner systems
DK22572C
(en )
1917-11-05
Gas stove with central hot water pipes.
CH80497A
(en )
1919-03-17
Section by section boiler for heating flowing, gaseous or liquid fluids by means of electrical heating
CH79609A
(en )
1918-12-16
Hot water system
DK27857C
(en )
1921-06-20
Fittings for Pipeline Systems for High Pressure Liquids.
DK25792C
(en )
1920-04-06
Device for float valves in containers for water closure systems, hot water systems and the like.
AT80170B
(en )
1920-02-25
Device for heating water in cooking appliances for gas or the like.
CH81665A
(en )
1919-07-01
water tap
ES86293A1
(en )
1923-10-16
Regulator tap for central water or steam heating installations.
AT102610B
(en )
1926-02-25
Self-regulating gas and water valve for liquid heaters.
CH71780A
(en )
1916-02-16
Radiator arrangement for steam, hot water and mixed heating systems
CH76622A
(en )
1918-01-16
Establishment of self-sellers for electricity, gas, water or the like