E04B 1/612
By means between frontal surfaces
Official title: {by means between frontal surfaces}
E04B1/612 (By means between frontal surfaces) appears on 578 US grants and 517 published applications in this corpus.
Search patents in E04B- Granted patents
- 578
- Published applications
- 517
- Assignees
- 331
- Inventors
- 1,005
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 12 | 0 |
| 1978 | 5 | 0 |
| 1979 | 10 | 0 |
| 1980 | 8 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 7 | 0 |
| 1984 | 8 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 1 | 0 |
| 1990 | 8 | 0 |
| 1991 | 12 | 0 |
| 1992 | 5 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 9 | 0 |
| 1996 | 13 | 0 |
| 1997 | 10 | 0 |
| 1998 | 14 | 0 |
| 1999 | 10 | 0 |
| 2000 | 17 | 0 |
| 2001 | 17 | 1 |
| 2002 | 13 | 12 |
| 2003 | 14 | 17 |
| 2004 | 14 | 27 |
| 2005 | 4 | 18 |
| 2006 | 11 | 10 |
| 2007 | 5 | 31 |
| 2008 | 7 | 17 |
| 2009 | 5 | 23 |
| 2010 | 8 | 14 |
| 2011 | 11 | 21 |
| 2012 | 14 | 19 |
| 2013 | 11 | 13 |
| 2014 | 17 | 26 |
| 2015 | 19 | 23 |
| 2016 | 7 | 17 |
| 2017 | 18 | 21 |
| 2018 | 16 | 32 |
| 2019 | 27 | 24 |
| 2020 | 23 | 20 |
| 2021 | 12 | 29 |
| 2022 | 25 | 32 |
| 2023 | 18 | 28 |
| 2024 | 12 | 21 |
| 2025 | 24 | 11 |
| 2026 | 15 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E04B 1/6125With protrusions on the one frontal surface co-operating with recesses in the242
- E04B 1/6145With recesses in both frontal surfaces co-operating with an additional connecting element177
- E04B 1/6183With rotatable locking means co-operating with a recess88
- E04B 1/6179With protrusions and recesses on each frontal surface80
- E04B 1/6166With protrusions on both frontal surfaces62
Recent patents
- Insulated panel connection29 Sep 2026US 12,747,581 B2
- System and method of attaching precast panels25 Aug 2026US 12,716,231 B2Barsplic Products, Inc.
- Method and apparatus for connecting precast concrete elements11 Aug 2026US 12,703,972 B2Structural Connections IP Pty Ltd
- System and method for haptic mapping of a configurable virtual reality environment4 Aug 2026US 12,700,186 B2Exploring Digital, LLC
- Quick assembled and disassembled shed28 Jul 2026US 12,692,694 B2Foremost Homes Inc.
- A joint for wall panels made of cross laminated timber6 Aug 2026US 2026/0226733 A1Clt Factory, Sia
- Connection for modular construction2 Jul 2026US 2026/0185349 A1Automated Architecture Ltd
- Method for constructing a building, construction assembly and building comprising such construction assembly18 Jun 2026US 2026/0168243 A1B. de Lange Holding B.V.
- Fastener system and method30 Apr 2026US 2026/0117513 A1Norse Corporation
- Rapid wall building system and method26 Mar 2026US 2026/0085530 A1Schofield Technologies, Inc.
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