E04B 1/18
Structures comprising elongated load-supporting parts
Official title: Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons (E04B1/32 - E04B1/36 take precedence; elongated load-supporting parts as elements, trusses, truss-like structures E04C3/00)
E04B1/18 (Structures comprising elongated load-supporting parts) appears on 3,756 US grants and 3,449 published applications in this corpus.
Search patents in E04B- Granted patents
- 3,756
- Published applications
- 3,449
- Assignees
- 1,655
- Inventors
- 5,534
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 43 | 0 |
| 1977 | 41 | 0 |
| 1978 | 53 | 0 |
| 1979 | 16 | 0 |
| 1980 | 27 | 0 |
| 1981 | 34 | 0 |
| 1982 | 37 | 0 |
| 1983 | 25 | 0 |
| 1984 | 43 | 0 |
| 1985 | 28 | 0 |
| 1986 | 51 | 0 |
| 1987 | 52 | 0 |
| 1988 | 36 | 0 |
| 1989 | 52 | 0 |
| 1990 | 62 | 0 |
| 1991 | 49 | 0 |
| 1992 | 42 | 0 |
| 1993 | 46 | 0 |
| 1994 | 38 | 0 |
| 1995 | 42 | 0 |
| 1996 | 53 | 0 |
| 1997 | 57 | 0 |
| 1998 | 50 | 0 |
| 1999 | 48 | 0 |
| 2000 | 62 | 0 |
| 2001 | 68 | 18 |
| 2002 | 53 | 71 |
| 2003 | 56 | 73 |
| 2004 | 47 | 96 |
| 2005 | 43 | 98 |
| 2006 | 46 | 103 |
| 2007 | 40 | 101 |
| 2008 | 26 | 124 |
| 2009 | 47 | 89 |
| 2010 | 80 | 117 |
| 2011 | 65 | 116 |
| 2012 | 74 | 98 |
| 2013 | 103 | 123 |
| 2014 | 130 | 145 |
| 2015 | 123 | 171 |
| 2016 | 150 | 140 |
| 2017 | 141 | 199 |
| 2018 | 153 | 230 |
| 2019 | 218 | 262 |
| 2020 | 206 | 193 |
| 2021 | 157 | 176 |
| 2022 | 143 | 171 |
| 2023 | 157 | 180 |
| 2024 | 111 | 155 |
| 2025 | 147 | 105 |
| 2026 | 85 | 95 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E04B 1/24The supporting parts consisting of metal1,538
- E04B 1/26The supporting parts consisting of wood1,245
- E04B 1/19Three-dimensional [3d] framework structures882
- E04B 1/20The supporting parts consisting of concrete289
- E04B 1/30The supporting parts being composed of two or more materials111
- E04B 1/185Connections not covered by e04b1/21 and e04b1/240364
- E04B 1/28The supporting parts consisting of other material63
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Most cited
By later US patents
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