E01D 19/106
Movable inspection or maintenance platforms
Official title: {Movable inspection or maintenance platforms, e.g. travelling scaffolding or vehicles specially designed to provide access to the undersides of bridges (lifting devices for movable platforms on vehicles in general B66F11/04)}
E01D19/106 (Movable inspection or maintenance platforms) appears on 117 US grants and 71 published applications in this corpus.
Search patents in E01D- Granted patents
- 117
- Published applications
- 71
- Assignees
- 50
- Inventors
- 157
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 3 |
| 2002 | 3 | 2 |
| 2003 | 3 | 1 |
| 2004 | 2 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 3 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 1 | 2 |
| 2011 | 1 | 5 |
| 2012 | 2 | 1 |
| 2013 | 1 | 3 |
| 2014 | 2 | 6 |
| 2015 | 3 | 3 |
| 2016 | 3 | 5 |
| 2017 | 6 | 5 |
| 2018 | 3 | 8 |
| 2019 | 4 | 5 |
| 2020 | 13 | 8 |
| 2021 | 10 | 0 |
| 2022 | 4 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 2 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Cable-climbing robot18 Nov 2025US 12,473,700 B2Shenzhen Institute of Artificial Intelligence and Robotics for Society
- Suspension assembly9 Sep 2025US 12,410,624 B1Paul Kristen, Inc.
- Erected platform and method of erecting thereof16 Jul 2024US 12,037,802 B2Paul Kristen, Inc.
- Method of suspending a platform from a bridge main cable2 Aug 2022US 11,401,668 B1Paul Kristen, Inc.
- Bridge detecting vehicle with two foldable arms3 May 2022US 11,320,338 B2Changsha University of Science and Technology
- Scaffold Assembly And Method Of Use6 Mar 2025US 2025/0075451 A1
- Erected platform7 Nov 2024US 2024/0368903 A1Paul Kristen, Inc.
- Walkway structure and overhead hoist transfer system including the same31 Oct 2024US 2024/0360634 A1Semes Co., Ltd.
- Modular space frame support system, work platform system and methods of erecting the same24 Aug 2023US 2023/0265645 A1BrandSafway Services, LLC
- Cable-climbing robot15 Jun 2023US 2023/0183929 A1Shenzhen Institute of Artificial Intelligence and Robotics for Society
Most cited
By later US patents
- Robotic bridge maintenance system93US 6,507,163 B12003
- Articulated boom structure35US 4,646,875 APaxton-Mitchell Company · 1987
- Workplace support and enclosure30US 5,299,655 A1994
- Means and methods for erecting a work platform under the deck of a structure29US 4,660,680 A1987
- Bridge maintenance method and equipment29US 5,011,710 A1991