|
2021
|
P/S
|
Water heaters |
|
2016
|
P/S
|
Automatic electromechanical controls for electric water heaters; electric grid management softwar... |
|
2013
|
P/S
|
Commercial and domestic water heaters |
|
2010
|
P/S
|
Commercial and domestic water heaters. |
|
2009
|
P/S
|
Residential and commercial water heaters and tankless water heaters. |
|
2008
|
P/S
|
Domestic, commercial and industrial water heaters. |
|
2005
|
P/S
|
Water heaters. |
|
2000
|
Invention
|
Water heater bottom insulation member |
|
1997
|
P/S
|
Water based urethane insulation for gas, oil and electric water heaters, commercial or domestic a... |
|
1996
|
P/S
|
Water heater. |
|
|
P/S
|
Water heater and water heater parts for industrial and commercial use. |
|
1992
|
Invention
|
Foam insulating a water heater. The method of the present invention is for foam insulating a wate... |
|
|
Invention
|
Water heater bottom insulation member. A rigid insulation member fits internally at the bottom en... |
|
1991
|
P/S
|
Stainless steel corrosion resistant inserts for fitting in openings of metallic containers. |
|
|
Invention
|
Method for molding products with undercut regions. A method provides a mold for producing a produ... |
|
1990
|
Invention
|
Corrosion resistant insert. A corrosion resistant insert of the present invention is used for fit... |
|
1989
|
Invention
|
Pressure balancing water heater dip tube turbulator attachment. The present invention relates to ... |
|
1987
|
P/S
|
Water heater parts, namely, element kits, thermostats, high limit controls, drain valves, tempera... |
|
1981
|
P/S
|
Domestic gas hot water heaters. |
|
1971
|
P/S
|
Domestic water heaters (gas); domestic electric water heaters |
|
1969
|
P/S
|
Sheet metal products, namely, stove pipe elbows, stove pipes, taper pipes, angles, eavestroughing... |
|
1967
|
P/S
|
Enamelled and aluminum ware, namely, saucepans, double boilers, kettles, percolators, basins, cof... |
|
1944
|
P/S
|
Boiler accessories, namely piping components, namely bolts, nuts.
Water heater accessories, namel... |
