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2022
|
G/S
|
Cable hanging system for HVAC components, the system comprised of metal cable wire and metal lock... |
|
2019
|
Invention
|
Method of installing sealed circular ductwork.
A circular sheet metal duct having a sealant appl... |
|
2018
|
G/S
|
Metal duct connectors and components used for the construction and installation of rectangular du... |
|
|
Invention
|
Sealed drive slip.
This invention provides for a sealed drive slip that may be roll-formed from ... |
|
2015
|
Invention
|
Process for manuafacturing sealed round metal ductwork.
This invention relates to sealing HVAC d... |
|
2013
|
Invention
|
Residential ductwork system.
A high efficiency HVAC duct system for residential ductwork that is... |
|
|
Invention
|
Rectangular sheet metal sealed duct.
A rectangular cross-section sheet metal duct system that is... |
|
2012
|
Invention
|
Access door for circular cross-section ductwork.
A duct access door for use with ducts of circul... |
|
2011
|
Invention
|
Process for manufacturing sealed round metal ductwork. This invention relates to sealing HVAC duc... |
|
2010
|
G/S
|
Adhesive sealant for ductwork. |
|
2009
|
G/S
|
Ducts namely heating, ventilation and air conditioning ducts; heating, ventilation and air condit... |
|
|
Invention
|
Dual purpose dimple for hvac circular ductwork. HVAC ductwork is sealed along its joints in order... |
|
2007
|
G/S
|
Wire rope hanging system. |
|
|
G/S
|
Wire rope fittings. |
|
|
Invention
|
Cable support sytems.
Cable Support Systems for supporting an object at a desired distance below... |
|
|
Invention
|
Cable support systems. Cable Support Systems for supporting an object at a desired distance below... |
|
2003
|
Invention
|
Cable support systems. Cable support systems (14) for supporting an object at a desired distance ... |
|
2002
|
Invention
|
Releasable cable grip. A releasable cable grip (10) for locking a cable within a housing (12) is ... |
|
2001
|
Invention
|
Releasable cable grip. A releasable cable grip for locking a cable within a housing is provided. ... |
|
|
Invention
|
Fabricated oval duct connector. A fabricated connector for oval shaped cross section ducts is pro... |
|
|
Invention
|
Access door for ductwork. A duct access door for use with ducts that carry cooking vapors and gre... |
|
1999
|
Invention
|
Damper mounting assembly. A damper mounting assembly for mounting a damper within an HVAC duct is... |
|
1997
|
Invention
|
Duct access door for circular openings. A duct access door to close and seal a circular opening i... |
|
1996
|
G/S
|
Parts and fittings, principally of metal, for joining lengths of ducting; flanges; clamps; coupli... |
|
|
G/S
|
Parts and fittings, principally of metal, for joining lengths of ducting; flanges; clamps, coupli... |
|
1995
|
Invention
|
Air duct turning vane and rail assembly. An air turning vane and rail assembly for use in heating... |
|
1991
|
Invention
|
Method for connecting the ends of a pair of oval duct sections. Apparatus for connecting the ends... |
|
1989
|
G/S
|
Duct access doors made primarily of metal. |
|
|
G/S
|
Duct connection system for flat oval ducts. |
|
|
G/S
|
Metal duct connectors for circular ducts. |
|
1984
|
Invention
|
Duct joining system. A duct jointing system has frame members each with a channel portion for eng... |
|
1981
|
Invention
|
Duct jointing system. A duct jointing system has frame members each with a channel portion for en... |
|
1979
|
Invention
|
Duct jointing system. A means for connecting together sheet metal ducts, e.g. forced air heating ... |
