E06B 3/964
Using separate connection pieces
Official title: using separate connection pieces, e.g. T-connection pieces (E06B3/9604 - E06B3/9636 and E06B3/984 - E06B3/99 take precedence)
E06B3/964 (Using separate connection pieces) appears on 405 US grants and 322 published applications in this corpus.
Search patents in E06B- Granted patents
- 405
- Published applications
- 322
- Assignees
- 254
- Inventors
- 686
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 8 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 10 | 0 |
| 1990 | 12 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 7 | 0 |
| 1997 | 9 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 11 | 0 |
| 2001 | 2 | 2 |
| 2002 | 6 | 7 |
| 2003 | 6 | 8 |
| 2004 | 5 | 7 |
| 2005 | 4 | 12 |
| 2006 | 4 | 8 |
| 2007 | 1 | 13 |
| 2008 | 3 | 12 |
| 2009 | 9 | 18 |
| 2010 | 14 | 10 |
| 2011 | 5 | 7 |
| 2012 | 4 | 9 |
| 2013 | 9 | 11 |
| 2014 | 13 | 22 |
| 2015 | 16 | 13 |
| 2016 | 11 | 13 |
| 2017 | 13 | 14 |
| 2018 | 13 | 9 |
| 2019 | 11 | 12 |
| 2020 | 15 | 15 |
| 2021 | 20 | 34 |
| 2022 | 19 | 15 |
| 2023 | 15 | 12 |
| 2024 | 17 | 15 |
| 2025 | 13 | 10 |
| 2026 | 5 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E06B 3/968Characterised by the way the connecting pieces are fixed in or on221
- E06B 3/9642Butt type joints with at least one frame member cut off square90
- E06B 3/9641Part of which remains visible86
- E06B 3/9645Mitre joints50
- E06B 3/9647The connecting piece being part of or otherwise linked to the window46
- E06B 3/9644L-shaped corner pieces having two articulated or flexible joined legs42
- E06B 3/9649Tie rods spanning the whole width or height of the frame19
Recent patents
- End cap and corner block for fenestration unit22 Sep 2026US 12,742,352 B2Pella Corporation
- Sliding screen door16 Jun 2026US 12,655,675 B2Peak Innovations Inc.
- Coastal impact resistant fenestrations including corner key with overlap geometry17 Mar 2026US 12,577,828 B2Andersen Corporation
- Corner window lite assemblies3 Feb 2026US 12,540,504 B2Av Builder Corp
- Corner assembly, a structural frame comprising said corner assembly, and the use of the corner assembly6 Jan 2026US 12,516,532 B2Lasse Ramskov Holding ApS
- Integrated mechanical fastening between metal panels and perimeter frame24 Sep 2026US 2026/0286766 A1
- Snap-Together Fire Resistant Fenestration Frame Apparatus10 Sep 2026US 2026/0266124 A1O'Keeffe's, Inc.
- Fastening Member23 Jul 2026US 2026/0210173 A1The Real Georgian Bar Company Limited
- Method for installing a profiled section2 Jul 2026US 2026/0185390 A1Julius Blum GmbH
- Corner window lite assemblies18 Jun 2026US 2026/0168316 A1Av Builder Corp
Most cited
By later US patents
- Frame assembly84US 5,671,580 A1997
- Screen frame corner connector key78US 4,570,406 AAcorn Building Components, Inc. · 1986
- Window sash73US 5,622,017 AAndersen Corporation · 1997
- Corner piece for vinyl siding retainers70US 4,608,800 A1986
- Sash structure formed by sections and square connection elements68US 4,205,486 A1P Industria Chimica per l'Arredamento S.p.A. · 1980