E04B 1/6129
The connection made by expansion
Official title: {the connection made by expansion}
E04B1/6129 (The connection made by expansion) appears on 52 US grants and 49 published applications in this corpus.
Search patents in E04B- Granted patents
- 52
- Published applications
- 49
- Assignees
- 36
- Inventors
- 87
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 3 |
| 2003 | 2 | 1 |
| 2004 | 2 | 4 |
| 2005 | 0 | 3 |
| 2006 | 1 | 2 |
| 2007 | 0 | 2 |
| 2008 | 0 | 3 |
| 2009 | 2 | 4 |
| 2010 | 1 | 2 |
| 2011 | 1 | 6 |
| 2012 | 3 | 4 |
| 2013 | 2 | 3 |
| 2014 | 3 | 2 |
| 2015 | 2 | 1 |
| 2016 | 0 | 2 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 3 | 2 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Seal coated devices14 Jul 2026US 12,680,000 B2Zephyros, Inc.
- Sandwich panel19 May 2026US 12,631,022 B2Kukmin Enterprise Co., Ltd
- Seal coated devices16 Jan 2024US 11,873,427 B2Zephyros, Inc.
- Building component31 Dec 2019US 10,519,654 B2Csr Building Products Limited
- Expansion device of panels12 Nov 2019US 10,472,818 B2GrandTech Fujimoto Co., Ltd.
- Sandwich panel30 Jan 2025US 2025/0034861 A1Kukmin Enterprise Co., Ltd
- Seal Coated Devices9 May 2024US 2024/0150618 A1Zephyros, Inc.
- Seal Coated Devices30 Apr 2020US 2020/0131406 A1Zephyros, Inc.
- Expansion device of panels29 Aug 2019US 2019/0264438 A1GrandTech Fujimoto Co., Ltd.
- Expansion device of panels29 Aug 2019US 2019/0264439 A1GrandTech Fujimoto Co., Ltd.
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
- 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
- Building structures355US 5,247,773 A1993