FR411888A
(en )
1910-06-28
Valve for heating body with progressive adjustment by visible parts for water and steam heating systems
CH45686A
(en )
1909-12-01
Valve for heating body with progressive adjustment by visible parts for water and steam heating systems
FR24482E
(en )
1922-07-20
Regulating valve for steam and hot water heating systems
FR414118A
(en )
1910-08-26
Regulating valve for heating systems
FR12716E
(en )
1910-11-08
Regulating valve for heating systems
FR521116A
(en )
1921-07-07
Double adjustment valve for hot water or steam heating systems
CH52944A
(en )
1912-01-16
Steam tap for heating systems
FR409328A
(en )
1910-04-19
Water heating regulator for water heating systems with a boiler independent of the water tank
CH53640A
(en )
1912-03-16
Regulating valve for heating systems
FR444453A
(en )
1912-10-18
Double adjustment valve for steam heating
FR426996A
(en )
1911-07-22
Double adjustment valve for heating with hot water or steam
FR467329A
(en )
1914-06-09
Valve for heating systems and other applications
FR430140A
(en )
1911-10-09
Regulating valve for heating systems
FR419429A
(en )
1911-01-06
Regulating valve for steam heating
FR478963A
(en )
1916-01-26
Washers and the like for valve seat plugs, pipe joints and other applications, and the means of securing and adapting them to other components
CH52945A
(en )
1912-01-16
Tap for adjusting the hot water supply to the radiators of heating systems
CA122082A
(en )
1909-11-23
Valve for hot water heating systems
CH47463A
(en )
1910-07-01
Valve cock
CA117622A
(en )
1909-04-06
Valve for hot water radiators
FR378469A
(en )
1907-10-05
Arrangement for hot water heating systems
FR452131A
(en )
1913-05-08
Boiler for heating systems
FR374499A
(en )
1907-06-14
Regulating valve for steam heating systems
FR411036A
(en )
1910-06-06
Hot water heating system valve
CA116799A
(en )
1909-02-23
Valve for hot water heaters
FR466353A
(en )
1914-05-11
Regulating valve for steam, water and other fluids