E04B 2/8623
With spacers and at least one form leaf being monolithic
Official title: {with spacers and at least one form leaf being monolithic}
E04B2/8623 (With spacers and at least one form leaf being monolithic) appears on 113 US grants and 96 published applications in this corpus.
Search patents in E04B- Granted patents
- 113
- Published applications
- 96
- Assignees
- 44
- Inventors
- 160
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 11 | 0 |
| 1999 | 8 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 4 |
| 2005 | 3 | 3 |
| 2006 | 2 | 5 |
| 2007 | 1 | 11 |
| 2008 | 1 | 6 |
| 2009 | 1 | 4 |
| 2010 | 4 | 4 |
| 2011 | 2 | 3 |
| 2012 | 4 | 2 |
| 2013 | 1 | 5 |
| 2014 | 4 | 2 |
| 2015 | 5 | 3 |
| 2016 | 2 | 3 |
| 2017 | 0 | 4 |
| 2018 | 2 | 4 |
| 2019 | 5 | 3 |
| 2020 | 1 | 6 |
| 2021 | 5 | 6 |
| 2022 | 2 | 2 |
| 2023 | 3 | 2 |
| 2024 | 3 | 5 |
| 2025 | 3 | 6 |
| 2026 | 5 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Formwork system18 Aug 2026US 12,709,892 B2Apache Industrial Services, Inc.
- Formwork system12 May 2026US 12,624,548 B2Apache Industrial Services, Inc.
- Formwork panel of a formwork system7 Apr 2026US 12,595,657 B2Apache Industrial Services, Inc.
- Clamp assembly for a formwork system24 Feb 2026US 12,559,939 B2Apache Industrial Services, Inc.
- Insulated hollow core concrete forming system for walls and slabs17 Feb 2026US 12,553,236 B2
- Clamp Assembly for a Formwork System11 Sep 2025US 2025/0283329 A1Apache Industrial Services, Inc.
- Formwork for retaining walls4 Sep 2025US 2025/0277364 A1
- Clamp Assembly for a Formwork System26 Jun 2025US 2025/0207389 A1Apache Industrial Holdings, Inc.
- Insulated Hollow Core Concrete Forming System for Walls and Slabs1 May 2025US 2025/0137253 A1
- Formwork System20 Mar 2025US 2025/0092673 A1Apache Industrial Services, Inc.
Most cited
By later US patents
- Channel and foam block wall construction98US 4,532,745 ACore-Form · 1985
- Unitized post and panel building system97US 5,765,333 A1998
- Prefabricated building panel92US 5,608,999 A1997
- Anchor for mortarless block wall system88US 4,660,342 A1987
- Thermoplastic structural components and structures formed therefrom85US 5,729,944 ARoyal Building Systems (CDN) Limited · 1998