US6041771A
(en )
2000-03-28
Apparatus and method of automatically regulating intake of air into heating unit
GB854299A
(enrdf_load_stackoverflow )
US4009705A
(en )
1977-03-01
Venting system for a gas-fired heating plant
US8161959B1
(en )
2012-04-24
Wood burning furnace
US3845754A
(en )
1974-11-05
Fireplace home heater
US20230243507A1
(en )
2023-08-03
Low emission wood burning stove
US4155699A
(en )
1979-05-22
Heat saving device for space heating furnace
US2746406A
(en )
1956-05-22
Furnace flue area reducing damper or baffle structure
US2604887A
(en )
1952-07-29
Draft control for heating
FR2525740A3
(fr )
1983-10-28
Dispositif de chauffage utilisant des combustibles solides
US20190154044A1
(en )
2019-05-23
Draft Inducer Blower
US864159A
(en )
1907-08-27
Heater.
US837320A
(en )
1906-12-04
Return-flue for stoves and the like.
US2567452A
(en )
1951-09-11
Superheater for furnaces
GB579939A
(en )
1946-08-21
Improvements in and relating to heating apparatus for dwelling houses and other buildings
US307194A
(en )
1884-10-28
Franklin e
NL9100767A
(nl )
1992-12-01
Gasgestookt toestel.
CN2161835Y
(zh )
1994-04-13
活式消烟门(消烟圈)
RU2006110781A
(ru )
2007-10-10
Каталитический котел медленного горения
GB190620135A
(en )
1907-09-05
Improvements in Stoves or Ranges.
US1995209A
(en )
1935-03-19
Furnace structure
GB334088A
(enrdf_load_stackoverflow )
GB191015203A
(en )
1911-04-06
Improvements in Combined Domestic Firegrates and Boilers.
US1032816A
(en )
1912-07-16
Stove structure.
GB190912035A
(en )
1909-08-26
Improvements in Stoves or Grates for Household use.