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Class Information
Number: 16/193
Name: Miscellaneous hardware > Sash balances
Description: Devices, including means connected with sashes, frames or panels for holding them in balanced or adjusted position.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7353567 |
Block and tackle window balance with bottom guide roller |
Apr. 8, 2008 |
| 7181805 |
Sash window hinge |
Feb. 27, 2007 |
| 7165359 |
Balance shoe |
Jan. 23, 2007 |
| 7076835 |
Spring mounting for sash window tensioning arrangements |
Jul. 18, 2006 |
| 7013529 |
Block and tackle sash balance brake assembly |
Mar. 21, 2006 |
| 6990710 |
Counterbalance system for a tilt-in window having an improved shoe assembly and anchor mount |
Jan. 31, 2006 |
| 6978515 |
Balancing device of raising-lowering window |
Dec. 27, 2005 |
| 6934998 |
Sash balance shoe jamb attachment |
Aug. 30, 2005 |
| 6928697 |
Hinge |
Aug. 16, 2005 |
| 6901702 |
Balance shoe |
Jun. 7, 2005 |
| 6877187 |
Block and tackle window balance with bottom guide roller |
Apr. 12, 2005 |
| 6763550 |
Window regulator channel slider device |
Jul. 20, 2004 |
| 6751904 |
Balance system for sash window assembly |
Jun. 22, 2004 |
| 6715541 |
Ball dropping assembly |
Apr. 6, 2004 |
| 6622342 |
Block and tackle balance assembly with brake shoe |
Sep. 23, 2003 |
| 6606761 |
Spring mounting arrangement for a sash window counterbalance arrangement |
Aug. 19, 2003 |
| 6523307 |
Balance system for sash window assembly |
Feb. 25, 2003 |
| 6467128 |
Block and tackle sash counter balance |
Oct. 22, 2002 |
| 6412144 |
Counterbalance spring mounting arrangement for a sash window |
Jul. 2, 2002 |
| 6393661 |
Spring mounting arrangement for a sash window counterbalance arrangement |
May. 28, 2002 |
| 6088880 |
Adjustable shoe for awning window hinge |
Jul. 18, 2000 |
| 6041475 |
Locking counterbalance shoe for tiltably removable sash windows |
Mar. 28, 2000 |
| 5901499 |
Double-hung window locking system |
May. 11, 1999 |
| 5738475 |
Adjustable expansion rivet |
Apr. 14, 1998 |
| 5613277 |
Window hinge shoe |
Mar. 25, 1997 |
| 5586362 |
Anti-rubbing block |
Dec. 24, 1996 |
| 5560084 |
Slider |
Oct. 1, 1996 |
| 5452495 |
Brake system for window assembly |
Sep. 26, 1995 |
| 5377384 |
Locking pivot shoe |
Jan. 3, 1995 |
| 5231795 |
Lock shoe system for heavy sash |
Aug. 3, 1993 |
| 5099963 |
Sash window brake |
Mar. 31, 1992 |
| 5054162 |
Constant force compensation for power spring weight balance |
Oct. 8, 1991 |
| 4961247 |
Balancing arrangement for double hung windows |
Oct. 9, 1990 |
| 4953258 |
Balancing arrangement for double hung windows |
Sep. 4, 1990 |
| 4914780 |
Compound counterbalance and winding systems with zero torque spirals |
Apr. 10, 1990 |
| 4685175 |
Spring system for double-hung window sash |
Aug. 11, 1987 |
| 4493128 |
Window sash positioner |
Jan. 15, 1985 |
| 3934496 |
Counterbalance mechanism for fume hoods |
Jan. 27, 1976 |
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