CH6234A
(en )
1893-07-15
Automatic feed regulator for steam boilers and other vessels
FR344338A
(en )
1904-10-31
Automatic feeding device for boilers or tanks
FR398009A
(en )
1909-05-25
Automatic feeding device for boilers
CH6317A
(en )
1893-07-31
Device for the automatic control of steam boiler feeders
CH7140A
(en )
1894-01-31
Automatic feed regulator for steam boilers
FR418919A
(en )
1910-12-22
Device for automatic boiler feed
FR376166A
(en )
1907-08-02
Device for the automatic feeding of steam boilers
FR351198A
(en )
1905-07-05
Feeding device for steam boilers
FR358606A
(en )
1906-03-01
Device for automatic boiler feed
FR352473A
(en )
1905-08-11
Automatic feeder for steam boilers
FR341151A
(en )
1904-08-01
Automatic feed regulator for steam boilers
FR368245A
(en )
1906-11-22
Feeding and cleaning device for boiler hearths
FR7412E
(en )
1907-07-31
Feeding and cleaning device for boiler hearths
FR381525A
(en )
1908-01-14
Automatic device for boiler feed pumps in operation
FR1536924A
(en )
1900-01-01
Automatic device for feeding livestock and especially young animals
FR368801A
(en )
1906-12-15
Automatic feeder for steam boilers and other pressure vessels
CH37801A
(en )
1907-07-31
Automatic feeder for steam boilers and other pressure vessels
FR2591E
(en )
1904-05-20
Automatic steam boiler feed regulator
FR336765A
(en )
1904-03-17
Automatic steam boiler feed regulator
FR326153A
(en )
1903-05-18
Feeder for steam boiler
FR384332A
(en )
1908-04-04
Automatic feed regulator for steam boilers
FR362308A
(en )
1906-06-19
Feeding device for boilers
CH13550A
(en )
1897-07-15
A device for feeding steam boilers
FR341685A
(en )
1904-08-17
Steam boiler feed device
FR348461A
(en )
1905-04-14
Feeder for steam boilers