E04B 1/38
Connections for building structures in general
E04B1/38 (Connections for building structures in general) appears on 3,367 US grants and 3,384 published applications in this corpus.
Search patents in E04B- Granted patents
- 3,367
- Published applications
- 3,384
- Assignees
- 1,597
- Inventors
- 4,971
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 34 | 0 |
| 1977 | 45 | 0 |
| 1978 | 33 | 0 |
| 1979 | 15 | 0 |
| 1980 | 21 | 0 |
| 1981 | 23 | 0 |
| 1982 | 20 | 0 |
| 1983 | 16 | 0 |
| 1984 | 24 | 0 |
| 1985 | 16 | 0 |
| 1986 | 32 | 0 |
| 1987 | 28 | 0 |
| 1988 | 30 | 0 |
| 1989 | 33 | 0 |
| 1990 | 44 | 0 |
| 1991 | 32 | 0 |
| 1992 | 20 | 0 |
| 1993 | 26 | 0 |
| 1994 | 25 | 0 |
| 1995 | 30 | 0 |
| 1996 | 33 | 0 |
| 1997 | 31 | 0 |
| 1998 | 49 | 0 |
| 1999 | 37 | 0 |
| 2000 | 35 | 0 |
| 2001 | 46 | 7 |
| 2002 | 36 | 44 |
| 2003 | 41 | 49 |
| 2004 | 42 | 77 |
| 2005 | 27 | 71 |
| 2006 | 37 | 54 |
| 2007 | 26 | 68 |
| 2008 | 22 | 70 |
| 2009 | 24 | 64 |
| 2010 | 36 | 77 |
| 2011 | 44 | 95 |
| 2012 | 76 | 108 |
| 2013 | 82 | 140 |
| 2014 | 163 | 188 |
| 2015 | 178 | 251 |
| 2016 | 175 | 186 |
| 2017 | 172 | 208 |
| 2018 | 168 | 238 |
| 2019 | 216 | 220 |
| 2020 | 197 | 215 |
| 2021 | 154 | 199 |
| 2022 | 149 | 186 |
| 2023 | 163 | 185 |
| 2024 | 142 | 155 |
| 2025 | 143 | 118 |
| 2026 | 76 | 111 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E04B 1/41Connecting devices specially adapted for embedding in concrete or masonry980
- E04B 1/388Separate connecting elements936
- E04B 1/61Of slab-shaped building elements with each other799
- E04B 1/58Of bar-shaped building elements494
- E04B 1/48Dowels, i.e. members adapted to penetrate the surfaces of two parts and219
- E04B 1/541Joints substantially without separate connecting elements97
- E04B 2001/386Nailable or screwable inserts for foam panelsIndexing code30
- E04B 1/383Connection of concrete parts using adhesive materials27
Recent patents
- Deck construction system29 Sep 2026US 12,747,573 B2
- Storage shed29 Sep 2026US 12,747,578 B2Suncast Technologies, LLC
- Fastener for arranging a framework with profiled elements curved along pseudo-geodesic curves29 Sep 2026US 12,747,580 B2Ecole Nationale des Ponts et Chaussees
- Insulated panel connection29 Sep 2026US 12,747,581 B2
- Storage shed29 Sep 2026US 12,747,598 B2Suncast Technologies, LLC
- Systems For Setting Anchor Bolts8 Oct 2026US 2026/0308905 A1
- Floor panel8 Oct 2026US 2026/0308921 A1Unilin BV
- Composite beam, building, and reinforcing metal fitting1 Oct 2026US 2026/0297926 A1Sekisui House, Ltd.
- Adjustable Post Base for Modular Construction1 Oct 2026US 2026/0297928 A1
- Plastic extrusion strip for anchoring insulation board on concrete structures1 Oct 2026US 2026/0297929 A1
Most cited
By later US patents
- Snap-together flooring system515US 5,295,341 ANikken Seattle, Inc. · 1994
- Interlocking panels having flats for increased versatility394US 5,502,939 AElite Panel Products · 1996
- Splines for joining panels387US 5,950,389 A1999
- Flooring panel or wall panel and use thereof371US 6,418,683 B1Perstorp Flooring AB · 2002
- Flooring panel or wall panel and use thereof358US 6,101,778 APerstorp Flooring AB · 2000