E04B 1/5837
Of substantially circular form
Official title: {of substantially circular form}
E04B1/5837 (Of substantially circular form) appears on 145 US grants and 108 published applications in this corpus.
Search patents in E04B- Granted patents
- 145
- Published applications
- 108
- Assignees
- 79
- Inventors
- 238
- Latest grant
- 25 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 3 |
| 2003 | 2 | 3 |
| 2004 | 2 | 4 |
| 2005 | 3 | 4 |
| 2006 | 2 | 6 |
| 2007 | 3 | 6 |
| 2008 | 1 | 6 |
| 2009 | 2 | 4 |
| 2010 | 5 | 6 |
| 2011 | 4 | 3 |
| 2012 | 2 | 4 |
| 2013 | 4 | 4 |
| 2014 | 8 | 4 |
| 2015 | 2 | 4 |
| 2016 | 3 | 7 |
| 2017 | 8 | 6 |
| 2018 | 5 | 3 |
| 2019 | 4 | 7 |
| 2020 | 5 | 3 |
| 2021 | 2 | 8 |
| 2022 | 5 | 3 |
| 2023 | 4 | 3 |
| 2024 | 2 | 2 |
| 2025 | 2 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Coupling joint for structures with recessed interior surfaces25 Feb 2025US 12,234,935 B1
- Coupler system14 Jan 2025US 12,193,590 B2Grovist Innovations, LLC
- Tube construction set9 Jul 2024US 12,031,568 B2
- Modular framing structure design and a method of using the same23 Apr 2024US 11,965,333 B2
- Connector and method of use of same2 May 2023US 11,639,602 B2Blokable, LLC
- High capacity lateral overturning restraint17 Sep 2026US 2026/0275702 A1Mitek Holdings, Inc.
- Lighting system and method for plant growth6 Aug 2026US 2026/0223785 A1Signify Holding B. V.
- Scaffolding system comprising inclined posts and spherical clamps1 May 2025US 2025/0135258 A1Berliner Seilfabrik GmbH & Co.
- Dry cooler assembly and method of assembling thereof13 Feb 2025US 2025/0052522 A1Ovh
- Carport tent19 Sep 2024US 2024/0309673 A1Zhejiang Zhengte Co., Ltd.
Most cited
By later US patents
- Cross-connector to two crossing tubular elements81US 4,817,897 A1989
- Universal connector61US 6,675,546 B2Total Structures, Inc. · 2004
- Tubular frame structure connector system53US 6,969,211 B22005
- Pipe connector assembly with internal locking mechanism48US 5,722,477 AThe Children's Factory · 1998
- Pipe connector assembly with internal locking mechanism47US 5,878,802 AThe Children's Factory · 1999