E04C 3/30
Columns
Official title: Columns; Pillars; Struts (not designed for end loading E04C3/02; posts, masts, as independent structures E04H12/00)
E04C3/30 (Columns) appears on 978 US grants and 1,010 published applications in this corpus.
Search patents in E04C- Granted patents
- 978
- Published applications
- 1,010
- Assignees
- 548
- Inventors
- 1,611
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 6 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 10 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 13 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 8 | 0 |
| 1991 | 9 | 0 |
| 1992 | 7 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 16 | 0 |
| 1996 | 16 | 0 |
| 1997 | 17 | 0 |
| 1998 | 14 | 0 |
| 1999 | 17 | 0 |
| 2000 | 17 | 0 |
| 2001 | 27 | 9 |
| 2002 | 21 | 40 |
| 2003 | 22 | 29 |
| 2004 | 24 | 53 |
| 2005 | 18 | 34 |
| 2006 | 6 | 37 |
| 2007 | 11 | 26 |
| 2008 | 10 | 30 |
| 2009 | 14 | 22 |
| 2010 | 20 | 29 |
| 2011 | 14 | 31 |
| 2012 | 24 | 23 |
| 2013 | 28 | 38 |
| 2014 | 23 | 48 |
| 2015 | 47 | 61 |
| 2016 | 53 | 72 |
| 2017 | 50 | 67 |
| 2018 | 68 | 52 |
| 2019 | 46 | 72 |
| 2020 | 51 | 55 |
| 2021 | 49 | 50 |
| 2022 | 32 | 39 |
| 2023 | 33 | 34 |
| 2024 | 31 | 32 |
| 2025 | 29 | 18 |
| 2026 | 8 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for constructing concrete block structure6 Oct 2026US 12,753,564 B2Yujoo Co., Ltd.
- Profile and construction element set for arranging a component for a drywall construction, and drywall formed therewith12 May 2026US 12,624,545 B2Knauf Gips KG
- Apparatus for supporting overhead structure24 Feb 2026US 12,559,966 B2Independence Materials Group, LLC
- Precast column and method of manufacturing the same3 Feb 2026US 12,540,473 B2Ruentex Engineering & Construction Co., Ltd.
- Carbon fiber-reinforced polymer active-passive-confined compression-cast reinforced concrete column incorporating cathodic protection27 Jan 2026US 12,534,811 B2Shenzhen University
- Foundation Structure Consisting of a Reinforced Concrete Foundation and a Support Body Having a Connection Arrangement10 Sep 2026US 2026/0266014 A1DeKru GmbH & Co. KG
- Multi-layered cementitious composition prefabricated prismatic member27 Aug 2026US 2026/0249589 A1
- Combination step bolt and fall protection anchorage assemblies6 Aug 2026US 2026/0226759 A1
- Apparatus for supporting overhead structure2 Jul 2026US 2026/0185372 A1Independence Materials Group, LLC
- Prefabrication smart self-storage facility14 May 2026US 2026/0132627 A1
Most cited
By later US patents
- Stud wall framing construction185US 5,394,665 A1995
- Metal frames168US 5,157,883 A1992
- Wall frame structure168US 5,325,651 AUniframes Holdings Pty Limited · 1994
- Interior shaft wall construction153US 5,950,385 A1999
- Light steel structural members148US 8,225,581 B2Sur-Stud Structural Technology Inc. · 2012