CH189350A
(en )
1937-02-28
Liquid heater for generating boiling water in the flow.
AT144800B
(en )
1936-02-25
Multi-jet impeller liquid meter.
CH189352A
(en )
1937-02-28
Liquid heater.
CH189353A
(en )
1937-02-28
Liquid heater.
CH167464A
(en )
1934-02-28
Coffee machine with brewing water cooling device.
DK46700C
(en )
1933-01-02
Water heating tank.
AT141760B
(en )
1935-05-25
Device for draining liquids.
DK52161C
(en )
1936-09-21
Water heater.
DK44725C
(en )
1931-10-19
Columnar Mixing Tank for Water Heating.
GR5332B
(en )
1935-06-26
WATER QUALITY REGULATOR IN THE SPRAYERS.
CH189351A
(en )
1937-02-28
Outlet device for boiling water generator.
DK59172C
(en )
1941-11-03
Liquid Heating Tank with Thermometer.
DK51554C
(en )
1936-04-27
Steam boiler or Water heater.
DK56258C
(en )
1939-06-06
Hot water tank.
DK56091C
(en )
1939-04-24
Heat meters for liquid, steam or air-carrying pipes.
DK50297C
(en )
1935-06-03
Device by Water Heating Tanks for Heating Consumption Water.
DK52534C
(en )
1937-01-04
Tank.
ES4012Y
(en )
1936-03-01
Double tank container.
ES124083A1
(en )
1931-10-16
Perfeccionamientos in the heating by water or other fluids.
DK47118C
(en )
1933-03-20
Device for Generating Circulation in Liquids.
GR4146B
(en )
1933-05-08
WATER HEATER APPLIANCE BY DIPING IT INTO CONTAINERS.
ES2028Y
(en )
1934-03-01
Liquid rationing apparatus.
DK49212C
(en )
1934-09-03
Device for Promoting Water Circulation in Steam Generators and Boilers.
DK56174C
(en )
1939-05-15
Water heater for Bathrooms.
ES131119A1
(en )
1933-08-16
Improvements in boilers.