E04B 5/023
Separate connecting devices for prefabricated floor-slabs
Official title: {Separate connecting devices for prefabricated floor-slabs}
E04B5/023 (Separate connecting devices for prefabricated floor-slabs) appears on 204 US grants and 218 published applications in this corpus.
Search patents in E04B- Granted patents
- 204
- Published applications
- 218
- Assignees
- 125
- Inventors
- 334
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 3 |
| 2004 | 1 | 4 |
| 2005 | 3 | 4 |
| 2006 | 3 | 5 |
| 2007 | 0 | 1 |
| 2008 | 1 | 5 |
| 2009 | 3 | 1 |
| 2010 | 4 | 3 |
| 2011 | 6 | 8 |
| 2012 | 1 | 7 |
| 2013 | 8 | 7 |
| 2014 | 8 | 9 |
| 2015 | 11 | 16 |
| 2016 | 15 | 15 |
| 2017 | 14 | 19 |
| 2018 | 18 | 18 |
| 2019 | 13 | 17 |
| 2020 | 12 | 10 |
| 2021 | 15 | 25 |
| 2022 | 14 | 17 |
| 2023 | 10 | 4 |
| 2024 | 9 | 9 |
| 2025 | 7 | 6 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Mechanical locking system for panels and method of installing same280US 8,042,311 B2Välinge Innovation AB · 2011
- Mechanical locking system for panels and method of installing same254US 7,841,144 B2Välinge Innovation AB · 2010
- Mechanical locking system for floor panels241US 8,387,327 B2Välinge Innovation AB · 2013
- Mechanical locking system for panels and method of installing same237US 7,634,884 B2Välinge Innovation AB · 2009
- Mechanical locking system for panels and method of installing same195US 7,866,110 B2Välinge Innovation AB · 2011