E04G 2001/157
Extensible platforms
Official title: {Extensible platforms, e.g. telescopic platforms}
E04G2001/157 (Extensible platforms) appears on 52 US grants and 63 published applications in this corpus.
Search patents in E04G- Granted patents
- 52
- Published applications
- 63
- Assignees
- 33
- Inventors
- 129
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 2 | 5 |
| 2007 | 3 | 1 |
| 2008 | 0 | 4 |
| 2009 | 2 | 0 |
| 2010 | 1 | 0 |
| 2011 | 2 | 1 |
| 2012 | 2 | 2 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 2 |
| 2017 | 3 | 4 |
| 2018 | 3 | 4 |
| 2019 | 2 | 5 |
| 2020 | 2 | 2 |
| 2021 | 4 | 3 |
| 2022 | 2 | 4 |
| 2023 | 3 | 7 |
| 2024 | 1 | 2 |
| 2025 | 3 | 1 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Platform and platform system for nuclear power plant8 Sep 2026US 12,731,701 B2Framatome
- Work platform and method3 Mar 2026US 12,565,779 B2Werner Co.
- Scaffold and methods6 Jan 2026US 12,516,530 B2Werner Co.
- Interlocking work platform system16 Dec 2025US 12,497,789 B2Werner Co.
- Work platforms and methods of use7 Oct 2025US 12,434,858 B2The Boeing Company
- Scaffolding tower and scaffold and use of the tower and scaffold18 Jun 2026US 2026/0168267 A1Pilion
- Telescopic roof work platform11 Jun 2026US 2026/0160081 A1
- Work platform4 Jun 2026US 2026/0152953 A1Werner Co.
- Aircraft mobility lift apparatus and method23 Apr 2026US 2026/0108400 A1Kruckeberg Industries, LLC
- Methods and systems for in-pocket tendon shearing23 Apr 2026US 2026/0108960 A1Post Tech Manufacturing, LLC
Most cited
By later US patents
- Expansible corridor44US 4,620,612 ANisso Sangyo Co., Ltd. · 1986
- Adjustable work platform30US 8,042,653 B2Werner Co. · 2011
- Scaffold plank with end connector and method of making the same23US 7,090,053 B2Bothwell Enterprises, Inc. · 2006
- Extendable support22US 5,067,589 AR. D. Werner Co., Inc. · 1991
- Automated system for positioning and supporting the work platform of a mobile workover and well-servicing rig22US 7,293,607 B2National-Oilwell, L. P. · 2007