E04H 3/28
Shiftable or portable platforms
E04H3/28 (Shiftable or portable platforms) appears on 132 US grants and 87 published applications in this corpus.
Search patents in E04H- Granted patents
- 132
- Published applications
- 87
- Assignees
- 53
- Inventors
- 198
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 8 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 4 |
| 2005 | 1 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 3 |
| 2008 | 2 | 3 |
| 2009 | 5 | 7 |
| 2010 | 2 | 3 |
| 2011 | 3 | 4 |
| 2012 | 4 | 7 |
| 2013 | 3 | 2 |
| 2014 | 4 | 6 |
| 2015 | 3 | 3 |
| 2016 | 6 | 7 |
| 2017 | 8 | 7 |
| 2018 | 4 | 3 |
| 2019 | 6 | 3 |
| 2020 | 4 | 3 |
| 2021 | 2 | 1 |
| 2022 | 4 | 6 |
| 2023 | 2 | 1 |
| 2024 | 1 | 5 |
| 2025 | 3 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mobile stage deployment system and method3 Mar 2026US 12,565,784 B2Progressive Products, Inc.
- Mobile stage system and method of use1 Jul 2025US 12,345,065 B2Astra Stages, LLC
- Portable stage assembly15 Apr 2025US 12,275,341 B2
- Mobile foundation for tower cranes and fast-erecting cranes18 Feb 2025US 12,227,913 B2
- Floor structure system and method of use16 Apr 2024US 11,959,300 B2Bil-Jax, Inc.
- Expandable wedge deck panel for a modular deck system23 Oct 2025US 2025/0327322 A1Tait Towers Manufacturing, LLC
- Expandable bridge deck panel for a modular deck system18 Sep 2025US 2025/0288920 A1Tait Towers Manufacturing, LLC
- Portable fashion modeling runway19 Jun 2025US 2025/0198181 A1
- Multi-layer floor system comprising a lightweight tile5 Jun 2025US 2025/0179822 A1Les Enceintes Acoustiques Unisson Inc.
- Interconnecting mat system5 Dec 2024US 2024/0401285 A1SNBC Inc.
Most cited
By later US patents