E04B 2002/0204
Non-undercut connections
Official title: {Non-undercut connections, e.g. tongue and groove connections}
E04B2002/0204 (Non-undercut connections) appears on 605 US grants and 530 published applications in this corpus.
Search patents in E04B- Granted patents
- 605
- Published applications
- 530
- Assignees
- 252
- Inventors
- 806
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 9 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 8 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 10 | 0 |
| 1985 | 9 | 0 |
| 1986 | 10 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 15 | 0 |
| 1997 | 21 | 0 |
| 1998 | 24 | 0 |
| 1999 | 17 | 0 |
| 2000 | 21 | 0 |
| 2001 | 15 | 2 |
| 2002 | 10 | 20 |
| 2003 | 20 | 10 |
| 2004 | 10 | 24 |
| 2005 | 15 | 24 |
| 2006 | 7 | 31 |
| 2007 | 11 | 30 |
| 2008 | 7 | 24 |
| 2009 | 9 | 20 |
| 2010 | 18 | 20 |
| 2011 | 11 | 18 |
| 2012 | 16 | 17 |
| 2013 | 14 | 29 |
| 2014 | 24 | 23 |
| 2015 | 18 | 16 |
| 2016 | 17 | 19 |
| 2017 | 22 | 25 |
| 2018 | 15 | 25 |
| 2019 | 16 | 22 |
| 2020 | 23 | 24 |
| 2021 | 16 | 25 |
| 2022 | 15 | 18 |
| 2023 | 14 | 21 |
| 2024 | 19 | 20 |
| 2025 | 9 | 13 |
| 2026 | 7 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E04B 2002/0215With separate protrusionsIndexing code230
- E04B 2002/0206Of rectangular shapeIndexing code156
- E04B 2002/0208Of trapezoidal shapeIndexing code143
- E04B 2002/0213Of round shapeIndexing code56
- E04B 2002/0228With tongues next to each other on one end surface and groovesIndexing code49
- E04B 2002/0226With tongues and grooves next to each other on the end surfaceIndexing code46
- E04B 2002/023With rabbetsIndexing code44
- E04B 2002/021Of triangular shapeIndexing code28
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