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2022
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G/S
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Metal chimneys; metal chimney flues; metal stovepipes; pipes, clamps, and fittings therefor of me... |
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G/S
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Ventilation apparatuses, namely, locking mechanisms for connecting pipes; metal vents for gas, na... |
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G/S
|
Locking mechanisms for connecting pipes sold as a component of ventilation apparatuses and as a c... |
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G/S
|
Metal chimneys; metal stovepipes; pipes, clamps, and fittings therefor of metal; metal building p... |
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2021
|
G/S
|
Venting parts; ventilating ducts of metal; metal venting parts, namely, metal connector pipes for... |
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G/S
|
metal venting parts, namely, metal ventilation ducts, connection pipes and adapters; ventilating ... |
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G/S
|
Venting parts, namely metal connector for pipes and fittings for use in venting; fuel metal chimn... |
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2020
|
G/S
|
Metal venting parts; metal pipes and fittings; tee-caps; latches; latches for tee-caps |
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G/S
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Metal venting parts; metal pipes and fittings; alignment sleeves |
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G/S
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Metal pipes and metal pipe fittings for use in gas stoves, heaters, and fireplaces Gas stove, hea... |
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Invention
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Conduit locking system for an appliance. A conduit locking system includes a first cylindrical co... |
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2018
|
G/S
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Fuel metal chimneys and metal stovepipes Providing consumer product information in the field of f... |
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G/S
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Metallic venting parts and system comprised of venting pipes and tubes of metal for residential h... |
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G/S
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Providing consumer product information in the field of metal all-fuel chimneys and metal stovepipes |
|
2017
|
G/S
|
Plastic flexible pipes and fittings therefor, for gas, oil, and solid fuel burning appliances, na... |
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2015
|
G/S
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Venting parts and system for residential furnaces, stoves and fireplaces that include double wall... |
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Invention
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Throttled direct vent termination. A throttled vent termination or cap for use in conjunction wit... |
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2014
|
G/S
|
Ventilation apparatus, namely, metal pipes and pipe fittings designed for use in venting gas stoves |
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Invention
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Dual category venting system. A venting system includes a venting pipe comprising a chase through... |
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2013
|
Invention
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Vent cap for chimney relining system. A venting system includes a venting installation cap assemb... |
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G/S
|
Metal chimney caps; Metal chimney cowls |
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|
Invention
|
Dual category venting system.
A venting system includes a venting pipe comprising a chase throug... |
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2009
|
Invention
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Positive pressure pipe coupling. A vent pipe and system formed from such vent pipes is provided. ... |
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Invention
|
Ceiling support box with outside air inlet. A ceiling support box is an interface for coupling tw... |
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|
Invention
|
Wall thimble with outside air inlet. An improved wall thimble as part of a venting apparatus for ... |
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|
Invention
|
Wall thimble with outside air inlet. A wall thimble for use with a heating appliance. Dual functi... |
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|
G/S
|
Non-metallic flexible pipes and fittings therefore, for gas, oil and solid fuel appliances Non-me... |
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|
Invention
|
Retrofitted corrosive resistant venting system. A venting system and a method for installing the ... |
|
2008
|
G/S
|
metal chimney lining components, namely, liners, baseplates, couplings, tee sections, covers, rai... |
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2007
|
Invention
|
Exhaust system interlocking mechanism. An interlocking mechanism includes an entry channel and a ... |
|
|
Invention
|
Wall thimble with outside air inlet. An improved wall thimble is useful as part of a venting appa... |
|
|
Invention
|
Gasket-less vent pipe coupling. A coupling feature for double-walled pipes. A double-walled vent ... |
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|
G/S
|
Metal chimneys; metal connector pipes and fittings for use in venting; metal stove pipes and fitt... |
|
2006
|
G/S
|
Conducting distributor and dealer incentive programs for the promotion of hearth venting systems. |
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|
G/S
|
All fuel metal chimneys and metal stove pipes and fittings.
Direct vents for gas, oil and solid f... |
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G/S
|
Metal chimneys |
|
|
G/S
|
All fuel metal chimneys and metal stove pipes and fittings Direct vents for gas, oil and solid fu... |
|
|
G/S
|
conducting distributor and dealer incentive programs |
|
2005
|
Invention
|
Direct vent cap |
|
|
Invention
|
Vent cap |
|
|
Invention
|
Direct vent cap. A vent cap for a direct vent system. The cap may include a base plate and a semi... |
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|
G/S
|
Chimney for solid fuel stoves. |
|
|
G/S
|
Double wall, insulated, all fuel chimney pipe and fittngs for residential, commercial and light i... |
|
2000
|
G/S
|
Venting apparatus, namely, venting conduits for direct vent stoves and fireplaces |
|
1999
|
G/S
|
All fuel chimneys and metal stove pipes and fittings for residential, commercial and light indust... |
|
1998
|
G/S
|
Venting system comprising ventilating ducts of metal for use in high efficiency combustion heater... |
|
1995
|
G/S
|
thermal insulation in masonry mix form for use in rebuilding chimneys and walls |
|
1994
|
G/S
|
metal chimneys for use in masonry or brick chimneys for venting gas appliances and gas fire place... |
|
|
G/S
|
triple wall insulated all fuel metal chimneys and metal stovepipes |
|
1990
|
G/S
|
flexible metal connector pipe and fittings for use in venting gas appliances; namely, furnaces, h... |
|
1987
|
G/S
|
CHIMNEY FOR SOLID FUEL STOVES |
|
|
G/S
|
CLOSE CLEARANCE METAL STOVEPIPE |
|
1986
|
G/S
|
TRIPLE WALL INSULATED ALL FUEL METAL CHIMNEYS AND METAL STOVEPIPES |
|
1980
|
G/S
|
Stovepipe Kits, Comprising Pipe Sections, Connectors and Trim Collars |
|
|
G/S
|
Triple Wall All Fuel Metal Chimneys |
|
|
G/S
|
Triple Wall All Fuel Metal Chimneys, and Metal Stovepipes Metal Gas Vents |
