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2022
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Invention
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Motion-activated stop for a vent window. A hardware assembly providing a motion-activated vent st... |
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2021
|
Invention
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High-capacity multi-bar linkage hinge assembly for pivotally mounted window vent. A multi-bar lin... |
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2015
|
Invention
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Vent operator. An operator assembly may move a window vent relative to a frame. The operator asse... |
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Invention
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Modular window balance assembly.
A set of components is provided that may be adapted for constru... |
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2014
|
Invention
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Modular window balance assembly. A set of components is provided that may be adapted for construc... |
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2012
|
Invention
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Self-balancing double-hung window apparatus. A mechanism is provided for balancing and positionin... |
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2010
|
Invention
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Side load carrier and balance system for window sashes.
The carrier is securable to the end of a... |
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2009
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Invention
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Parallel axes compound balance.
An apparatus and method to substantially cancel out the opposing... |
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Invention
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Side load carrier and balance system for window sashes.
A carrier assembly consisting of a carri... |
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Invention
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Pivoting handle installation tool for assembling pre-tension spiral balances into window frames. ... |
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Invention
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Device and method for improving the installation of pre-tensioned spiral balances in window balan... |
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2008
|
Invention
|
Block for window block and tackle sash balance.
A block shaped to fit onto an end of a block and... |
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2007
|
Invention
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Locking shoe and mounting bracket for curl spring window balance system. A curl spring sash shoe ... |
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2006
|
Invention
|
Window balance system.
A window balance system includes a tilt lock carrier connected to a balan... |
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2005
|
Invention
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Channel-mounted 4-bar linkage assembly. A 4-bar linkage assembly for mounting a sash to a frame m... |
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2004
|
Invention
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System for shoe latching in laterally removable sash. A system for supporting a window sash that ... |
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Invention
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Shim assembly for releasably engaging a hinge assembly. A shim assembly is constructed for engagi... |
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2003
|
Invention
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Egress 4-bar hinge assembly. An egress 4-bar hinge assembly having two load-bearing links that pi... |
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2002
|
Invention
|
Inertial control system for opening and closing multiple sliding doors in a common direction. An ... |
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Invention
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Fenestration locking system. This fenestration locking system for a swinging sash or door is char... |
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Invention
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End cap for multi bar linkage hinge assembly. An end cap for a supporting bracket having a multi ... |
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2001
|
Invention
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Detachable arm limiting assembly. A mechanism which selectably limits the opening of a hinged win... |
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Invention
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Pivot connection adjustment assembly. An adjustment assembly enables lateral adjustment of the po... |
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2000
|
Invention
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Wind-resistant window sash lock. A sweep lock locking the check rails of an upper and lower sash ... |
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|
Invention
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Sweep lock and tilt latch combination. A pair of sweep locks and a corresponding pair of tilt lat... |
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|
Invention
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Casement sash cable actuator. A cable actuator for a casement sash includes a cable engager that ... |
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Invention
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Window and door opening and closing mechanism. A window and door opening and closing mechanism is... |
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|
Invention
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Wind-resistant sweep lock. A sweep lock locking the check rails of an upper and lower sash improv... |
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|
Invention
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Mounting arrangement for constant force spring balance. A mount for one or more constant force cu... |
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1997
|
Invention
|
Inverted block and tackle window balance. Pulleys of a block and tackle window balance include hu... |
|
|
Invention
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Non-handed in-line window supporting bracket. A supporting bracket for windows which can be used ... |
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Invention
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Corner locking carrier shoe for tilt sash. A tilt sash counterbalance system has a carrier shoe w... |
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Invention
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Support system for laterally removable sash. A support system for a heavy sash that is laterally ... |
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1996
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Invention
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Coupling for spiral counterbalance. A coupling between a twisted rod and a torsion spring of a sp... |
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1995
|
Invention
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Pin lock for tilt sash lock shoe. A sash pin engaging a locking element of a tilt shoe has a down... |
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1994
|
Invention
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Sash shoe system for curl spring window balance. A window balance system for a tilt sash uses a p... |
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Invention
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Block and tackle window balance. A block and tackle window balance includes an extension spring a... |
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1993
|
Invention
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Curl spring shoe based window balance system. A window balance system for a tilt sash uses a pair... |
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1992
|
Invention
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Lock shoe system for heavy sash. A lock shoe system for an especially heavy sash has shoes with l... |
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Invention
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Window sash counterbalance with varying lift. A multiple spring counterbalance includes a torsion... |
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Invention
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Tilt sash lock shoe system. A counterbalance shoe of a tilt sash lock shoe system runs in a resin... |
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Invention
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Sound-deadener for window torsion balance. This invention, which provides a solution to the long-... |
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1991
|
Invention
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Window sash balance with tension and torsion spring. A spring balance for counteracting the weigh... |
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Invention
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Jamb liner slot cover. An integral strip of resin material is used to cover exposed portions of j... |
