B29C 66/5243
For forming corner connections
Official title: {for forming corner connections, e.g. for making window frames or V-shaped pieces (welded corner joints for window frames E06B3/9604)}
B29C66/5243 (For forming corner connections) appears on 134 US grants and 98 published applications in this corpus.
Search patents in B29C- Granted patents
- 134
- Published applications
- 98
- Assignees
- 83
- Inventors
- 214
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 4 |
| 2003 | 4 | 2 |
| 2004 | 0 | 4 |
| 2005 | 2 | 3 |
| 2006 | 3 | 4 |
| 2007 | 0 | 8 |
| 2008 | 1 | 6 |
| 2009 | 2 | 4 |
| 2010 | 3 | 4 |
| 2011 | 6 | 3 |
| 2012 | 4 | 4 |
| 2013 | 3 | 3 |
| 2014 | 5 | 1 |
| 2015 | 0 | 4 |
| 2016 | 4 | 2 |
| 2017 | 2 | 4 |
| 2018 | 3 | 4 |
| 2019 | 2 | 4 |
| 2020 | 3 | 5 |
| 2021 | 5 | 4 |
| 2022 | 3 | 2 |
| 2023 | 3 | 1 |
| 2024 | 2 | 8 |
| 2025 | 3 | 5 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Machine for the welding of plastic profiled elements4 Aug 2026US 12,697,786 B2Graf Synergy S.r. l.
- Method and device for welding at least two profiled sections for window or door frames or leaves7 Jul 2026US 12,674,352 B2Rotox Holding GmbH
- Resin profile joining method13 Jan 2026US 12,523,090 B2YKK AP Inc.
- Resin profile joining method and resin profile joining device25 Nov 2025US 12,479,166 B2YKK AP Inc.
- Machine for welding profiled elements made of plastic material7 Oct 2025US 12,434,442 B2Graf Synergy S.r. l.
- Plate for heating devices of machines for the machining of profiled elements made of plastic material10 Sep 2026US 2026/0264340 A1Graf Synergy S.r. l.
- Joining method for polymer containing components2 Apr 2026US 2026/0091560 A1Joseph Machine Company, Inc.
- Fenestration unit with induction welded joint and manufacturing system and manufacturing method for the same8 Jan 2026US 2026/0008237 A1JELD-WEN, Inc.
- Variable size high speed welder1 Jan 2026US 2026/0001284 A1
- Induction heated corner keys25 Dec 2025US 2025/0387980 A1
Most cited
By later US patents
- Modular structure for building panels and methods of making and using same108US 7,127,865 B22006
- Window sash73US 5,622,017 AAndersen Corporation · 1997
- Joint structure and method of manufacture63US 5,603,585 AAndersen Corporation · 1997
- Method of combining components to form different types of windows suitable for various installation situations58US 5,687,519 AAndersen Corporation · 1997
- Extruded plastics material hollow profiled strip for window frames, window frames produced from this type of profiled strips and method for the production of a window frame of this type43US 4,492,063 ASchock & Co. GmbH · 1985