E04B 2/8617
With spacers being embedded in both form leaves
Official title: {with spacers being embedded in both form leaves}
E04B2/8617 (With spacers being embedded in both form leaves) appears on 110 US grants and 121 published applications in this corpus.
Search patents in E04B- Granted patents
- 110
- Published applications
- 121
- Assignees
- 46
- Inventors
- 178
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 4 |
| 2003 | 5 | 6 |
| 2004 | 4 | 6 |
| 2005 | 4 | 4 |
| 2006 | 3 | 11 |
| 2007 | 1 | 10 |
| 2008 | 3 | 5 |
| 2009 | 1 | 6 |
| 2010 | 4 | 7 |
| 2011 | 3 | 2 |
| 2012 | 5 | 5 |
| 2013 | 4 | 10 |
| 2014 | 9 | 4 |
| 2015 | 7 | 5 |
| 2016 | 2 | 3 |
| 2017 | 4 | 5 |
| 2018 | 2 | 1 |
| 2019 | 3 | 3 |
| 2020 | 3 | 3 |
| 2021 | 2 | 7 |
| 2022 | 3 | 3 |
| 2023 | 3 | 3 |
| 2024 | 2 | 4 |
| 2025 | 3 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Insulated hollow core concrete forming system for walls and slabs17 Feb 2026US 12,553,236 B2
- Tilt-up and precast construction panels18 Nov 2025US 12,473,731 B2
- Method for preparing concrete-filled steel tubular edge-constrained laminated shear wall27 May 2025US 12,312,804 B2Shandong University
- System and method for manufacturing architectural blocks with stone-like appearance13 May 2025US 12,296,501 B2Tuscan Stoneworx USA, LLC
- Print head for printing three-dimensional structures made of concrete and a method therefor31 Dec 2024US 12,179,381 B2B.T. Innovation GmbH
- Insulated concrete form block including utility conduit6 Aug 2026US 2026/0226737 A1
- Method for manufacturing architectural blocks with stone-like appearance5 Jun 2025US 2025/0178235 A1Tuscan Stoneworx USA, LLC
- Insulated Hollow Core Concrete Forming System for Walls and Slabs1 May 2025US 2025/0137253 A1
- Connection systems and methods for cubic structures7 Nov 2024US 2024/0368878 A1Cnqc Intelligent Construction (Hk) Limited
- Tilt-up and precast construction panels1 Aug 2024US 2024/0254763 A1
Most cited
By later US patents
- Methods and apparatus for computer-assisted spray foam fabrication129US 9,566,742 B2Massachusetts Institute of Technology · 2017
- Methods and apparatus for computer-assisted spray foam fabrication120US 10,189,187 B2Massachusetts Institute of Technology · 2019
- Concrete formwork111US 4,516,372 A1985
- Concrete form walls94US 5,390,459 AAAB Building System Inc. · 1995
- Connecting member for concrete form93US 5,459,971 A1995