E04B 1/19
Three-dimensional [3d] framework structures
Official title: Three-dimensional [3D] framework structures
E04B1/19 (Three-dimensional [3d] framework structures) appears on 882 US grants and 720 published applications in this corpus.
Search patents in E04B- Granted patents
- 882
- Published applications
- 720
- Assignees
- 421
- Inventors
- 1,376
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 9 | 0 |
| 1981 | 10 | 0 |
| 1982 | 16 | 0 |
| 1983 | 9 | 0 |
| 1984 | 15 | 0 |
| 1985 | 10 | 0 |
| 1986 | 22 | 0 |
| 1987 | 28 | 0 |
| 1988 | 12 | 0 |
| 1989 | 24 | 0 |
| 1990 | 22 | 0 |
| 1991 | 26 | 0 |
| 1992 | 18 | 0 |
| 1993 | 16 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 14 | 0 |
| 1997 | 12 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 1 |
| 2002 | 4 | 6 |
| 2003 | 5 | 8 |
| 2004 | 3 | 9 |
| 2005 | 7 | 7 |
| 2006 | 5 | 7 |
| 2007 | 3 | 5 |
| 2008 | 2 | 14 |
| 2009 | 6 | 14 |
| 2010 | 9 | 22 |
| 2011 | 8 | 15 |
| 2012 | 6 | 14 |
| 2013 | 11 | 23 |
| 2014 | 31 | 49 |
| 2015 | 34 | 53 |
| 2016 | 41 | 42 |
| 2017 | 48 | 70 |
| 2018 | 44 | 65 |
| 2019 | 67 | 78 |
| 2020 | 55 | 47 |
| 2021 | 32 | 31 |
| 2022 | 39 | 33 |
| 2023 | 29 | 28 |
| 2024 | 27 | 34 |
| 2025 | 25 | 24 |
| 2026 | 12 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E04B 1/1903Connecting nodes specially adapted therefor545
- E04B 2001/1924Struts specially adapted thereforIndexing code467
- E04B 2001/1957Details of connections between nodes and strutsIndexing code418
- E04B 2001/1981Characterised by the grid type of the outer planes of the frameworkIndexing code237
- E04B 2001/199Details of roofs, floors or walls supported by the frameworkIndexing code120
- E04B 2001/1993Details of framework supporting structureIndexing code100
- E04B 2001/1978Frameworks assembled from preformed subframesIndexing code61
- E04B 2001/1975Frameworks where the struts are directly connected to each other, i.e. withoutIndexing code60
Recent patents
- Variable orthogrid stiffened shell29 Sep 2026US 12,747,575 B2Chairman, Defence Research and Development Organization, Ministry of Defence, Govt. of India
- System and method for haptic mapping of a configurable virtual reality environment4 Aug 2026US 12,700,186 B2Exploring Digital, LLC
- Systems and methods for providing a truss structure28 Jul 2026US 12,692,693 B2Eagle Technology, LLC
- Space frame21 Jul 2026US 12,687,006 B2
- Assembled structure14 Jul 2026US 12,680,290 B2Chromos Inc.
- Modular space frame support system, work platform system and methods of erecting the same8 Oct 2026US 2026/0308902 A1BrandSafway Services, LLC
- Compliant biomimetic endcap system for tensegrity structure assembly17 Sep 2026US 2026/0275703 A1
- Large scale structural joint based on the carbon molecular logic for full scale construction27 Aug 2026US 2026/0250940 A1The Trustees of Indiana University
- Space frame systems20 Aug 2026US 2026/0243080 A1
- Tensegrity Structures9 Jul 2026US 2026/0193877 A1
Most cited
By later US patents
- Node for a space frame142US 9,731,773 B2Caterpillar Inc. · 2017
- Digital flexural materials134US 9,566,758 B2Massachusetts Institute of Technology · 2017
- Construction set having clip fasteners127US 4,129,975 AMatrix Toys, Ltd. · 1978
- Shape-morphing space frame apparatus using unit cell bistable elements122US 9,783,977 B2University of South Florida · 2017
- Digital material assembly by passive means and modular isotropic lattice extruder system119US 10,145,110 B2Massachusetts Institute of Technology · 2018