E04G 21/168
Used for tilting
Official title: {used for tilting, e.g. from horizontal to vertical position or vice versa}
E04G21/168 (Used for tilting) appears on 40 US grants and 38 published applications in this corpus.
Search patents in E04G- Granted patents
- 40
- Published applications
- 38
- Assignees
- 21
- Inventors
- 94
- Latest grant
- 16 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 3 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 3 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 2 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 3 |
| 2014 | 2 | 1 |
| 2015 | 2 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 3 |
| 2018 | 2 | 1 |
| 2019 | 3 | 3 |
| 2020 | 2 | 3 |
| 2021 | 1 | 2 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 3 | 1 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Apparatus and Method for Facilitating Lifting and Manipulating Wall Sections8 Jan 2026US 2026/0009245 A1
- Hoisting system, apparatus, kit and methodology23 Oct 2025US 2025/0326611 A1
- Handling device for frame formwork element18 Sep 2025US 2025/0290334 A1Doka GmbH
- Insert spacer22 Feb 2024US 2024/0060318 A1Dayton Superior Corporation
- Building material installation equipment with high flexibility28 Sep 2023US 2023/0304311 A1Zhejiang Dingli Machinery Co., Ltd.
Most cited
By later US patents
- Method of and means for multi-story building construction38US 3,974,618 A1976
- Strongback attachment system for concrete panel tilt-up construction23US 5,212,920 ARichmond Screw Anchor Co., Inc. · 1993
- Apparatus for transporting/mounting a building material19US 5,259,721 AKajima Corporation · 1993
- Wall raising apparatus18US 5,833,430 A1998
- Wall lift and method of lifting a wall17US 6,000,898 A1999