AU7742694A
(en )
1995-10-19
Combined water heater and heat exchanger
GB2324014B
(en )
2001-08-22
Improvements in or relating to electric water heaters
GB9721019D0
(en )
1997-12-03
Improvements in and relating to heliostats and solar furnaces
PL326819A1
(en )
1998-12-21
Electric continuous-flow water heater and method of controlling water inflow thereto
HU9501182D0
(en )
1995-06-28
System for hot water supply and heating energy for appartments in mansions
GB2272105B
(en )
1996-01-03
Improvements relating to water heating apparatus and electric element heaters therefor
ZA954B
(en )
1995-09-11
Method of increasing heating rate of water in geysers and reducing geyser electricity consumption
HU9500164D0
(en )
1995-03-28
Rising pipe for hot water supply and hot water heating in buildings having more than one storey
GB2306801B
(en )
1999-09-01
Improvements relating to electrically powered water heating appliances and controls therefor
GB9820611D0
(en )
1998-11-11
Central heating and hot water apparatus
GB9409470D0
(en )
1994-06-29
Improvements in or relating to hot water and central heating systems
GB2296312B
(en )
1999-02-24
Improvements in or relating to water heating
GB9306584D0
(en )
1993-05-26
Improvements in and relating to solar water heaters
GB9704758D0
(en )
1997-04-23
Microwave powered heating and hot water boiler
TW329920U
(en )
1998-04-11
Water inlet and water stop structure of hot water heater
TW351515U
(en )
1999-01-21
Heating coil applicable in power outage and water shortage
TW347066U
(en )
1998-12-01
Secure-piece of flame-row in main stove of water heater
GB9213614D0
(en )
1992-08-12
Improvements in and relating to water heaters
GB9518057D0
(en )
1995-11-08
Improvements in water heating
GB2270745B
(en )
1996-06-26
Domestic central heating and hot water supply systems
HU9800622D0
(en )
1998-05-28
Central apparatus especially to heat flats and provide with warm water
TW364589U
(en )
1999-07-11
Mechanical cold and hot water controller
PL297569A1
(en )
1994-08-08
Energy saving water heater
GB9816366D0
(en )
1998-09-23
Improvements in combined temperature level and limescale reduction control devices for water heaters
GB9023474D0
(en )
1990-12-12
Improvements in and relating to water heaters