2023
|
P/S
|
Rental of portable heating boiler rooms; rental of heating boilers, namely, rental of trailerized... |
2022
|
P/S
|
Boilers for heating installations; Furnace boilers |
|
P/S
|
Electric boilers; Heat pumps |
2015
|
P/S
|
Oil fueled residential boilers; gas fueled residential boilers; water heaters |
|
P/S
|
fuel-fired residential boilers |
|
P/S
|
fuel-fired boilers |
2014
|
P/S
|
Electronic controllers for use in synchronizing the operation of multiple fuel-fired boilers |
|
P/S
|
Electronic controllers for fuel-fired commercial and industrial boilers |
|
P/S
|
heating equipment, namely, fuel-fired boilers for domestic and commercial use |
2013
|
P/S
|
fuel-fired condensing boilers |
2010
|
Invention
|
Watertube and method of making and assembling same within a boiler or heat exchanger. A one-piece... |
|
Invention
|
High-efficiency gas-fired forced-draft condensing hot water boiler. A high-efficiency hot- water ... |
2009
|
Invention
|
Watertube and method of making and assembling same within a boiler or heat exchanger.
A one-piec... |
|
Invention
|
Watertube, header and watertube assembly, boiler having the assembly, and method of assembling sa... |
|
Invention
|
High-efficiency gas-fired forced-draft condensing hot water boiler.
A high-efficiency hot-water ... |
2008
|
P/S
|
Fuel-fired furnaces for use in domestic and commercial heating installations. |
|
P/S
|
Fuel-fired furnaces for use in domestic and commercial heating installations |
|
Invention
|
Condensate trap for condensing gas boiler. A condensate trap for a condensing boiler has a genera... |
2005
|
P/S
|
Oil-fired furnaces |
|
P/S
|
Commercial and industrial hot water and steam boilers, deaerators, boiler feed water heaters, con... |
|
Invention
|
Heat exchanger clean-out plug assembly.
A flue-gas to air heat exchanger having a flue-gas conta... |
2004
|
P/S
|
Furnace boilers, water heaters, storage tanks and pool heaters. |
|
P/S
|
Deaerators, overflow steam traps for use on pressurized deaerators.
Commercial and industrial hot... |
|
P/S
|
Furnace boilers, hot water heaters and parts therefor, for residential and commercial use |
|
P/S
|
Gas-fired cast iron hot water boilers for residential and commercial use |
|
P/S
|
Oil-fired steel hot water boilers for residential and commercial use |
|
P/S
|
fuel-fired furnace boilers for residential use |
2003
|
P/S
|
gas and oil-fired boilers for residential and commercial use |
2002
|
P/S
|
Gas, oil, and combination fuel-fired natural and forced draft fire tube boilers for both low and ... |
|
P/S
|
Furnaces for residential and commercial use. |
2001
|
P/S
|
Commercial and industrial hot water and steam boilers, [steam superheaters,] deaerators, boiler f... |
1998
|
P/S
|
DOMESTIC, COMMERCIAL AND INDUSTRIAL INDIRECT WATER HEATERS |
|
Invention
|
Dual drum boiler. A long-lasting hot water boiler. The boiler has a lower drum with a first pass ... |
1996
|
Invention
|
Boiler assembly. A boiler assembly having a unique burner box construction and a modular heat exc... |
|
P/S
|
industrial and commercial boilers, industrial and commercial water heaters and storage tanks, and... |
|
P/S
|
industrial and commercial boilers, industrial and commercial water heaters, hot water storage tan... |
|
P/S
|
gas-fired boiler for domestic and commercial heating applications |
1995
|
Invention
|
Flue gas recirculation burner providing low no.sub.x emissions. A flue gas recirculation burner p... |
1994
|
Invention
|
Ceramic foam low emissions burner for natural gas-fired residential appliances. In one modificati... |
1993
|
P/S
|
Furnaces.
Gas fired and oil fired furnaces and humidifiers. |
1992
|
P/S
|
residential furnaces |
|
P/S
|
hot water radiators for commercial, domestic and industrial use |
|
P/S
|
Electronic controls for automatically monitoring and controlling the operation of boilers; gas, o... |
1991
|
P/S
|
furnace boilers primarily for residential use |
|
P/S
|
residential and commercial boilers and heat exchangers used therewith |
|
P/S
|
baseboard hot water heaters and valve covers therefor sold as a unit |
1990
|
P/S
|
electronic controls for automatically monitoring and controlling the operation of boilers [ gas, ... |
1988
|
Invention
|
Pre-formed insulating reversing chamber for modified scotch boiler or the like. A boiler having a... |
1984
|
P/S
|
OIL BURNING BOILERS PRIMARILY FOR RESIDENTIAL USE |
1977
|
Invention
|
Industrial boiler utilizing multiple fuels and having reduced particulate emission and method of ... |
1964
|
P/S
|
GAS-FIRED AND OIL-FIRED FURNACES AND HUMIDIFIERS |
|
P/S
|
Gas-Fired and Oil-Fired Furnaces [ and Humidifiers ] |