Y10S 16/16
Window brakes, counterbalances
Y10S16/16 (Window brakes, counterbalances) appears on 30 US grants and 15 published applications in this corpus.
Search patents in Y10S- Granted patents
- 30
- Published applications
- 15
- Assignees
- 13
- Inventors
- 25
- Latest grant
- 25 Oct 2011
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 3 |
| 2003 | 4 | 2 |
| 2004 | 1 | 2 |
| 2005 | 2 | 2 |
| 2006 | 2 | 0 |
| 2007 | 1 | 3 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 2 | 1 |
| 2011 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Block and tackle window balance with bottom guide roller25 Oct 2011US 8,042,227 B2Amesbury Group, Inc.
- Block and tackle balance assembly with brake shoe9 Mar 2010US 7,673,372 B2Newell Operating Company
- Block and tackle window balance with bottom guide roller2 Mar 2010US 7,669,284 B2Amesbury Group, Inc.
- Spring mounting for sash window tensioning arrangements30 Jun 2009US 7,552,510 B2Amesbury Springs Limited
- Block and tackle window balance with bottom guide roller8 Apr 2008US 7,353,567 B2Amesbury Group, Inc.
- Block and Tackle Window Balance with Bottom Guide Roller15 Dec 2011US 2011/0302742 A1
- Block and Tackle Window Balance with Bottom Guide Roller4 Mar 2010US 2010/0050379 A1Amesbury Group, Inc.
- Block and Tackle Window Balance with Bottom Guide Roller22 May 2008US 2008/0115320 A1Amesbury Group, Inc.
- Block And Tackle Balance Assembly With Brake Shoe3 May 2007US 2007/0094931 A1Newell Operating Company
- Block and tackle window balance with bottom guide roller29 Mar 2007US 2007/0067952 A1Amesbury Group, Inc.
Most cited
By later US patents
- Constant force compensation for power spring weight balance74US 5,054,162 ASchlegel Corporation · 1991
- Self-contained heavy duty constant force sliding sash counterbalance assembly53US 4,935,987 AProduct Design & Development, Inc. · 1990
- Locking counterbalance shoe for tiltably removable sash windows44US 6,041,475 AIntek Plastics, Inc. · 2000
- Supporting bracket for windows43US 4,833,754 A1989
- Spring loaded block and tackle window sash balance assembly38US 4,949,425 AAmerican Balance Corporation · 1990