E04G 1/365
Specially adapted for staircases or stairs
Official title: {specially adapted for staircases or stairs}
E04G1/365 (Specially adapted for staircases or stairs) appears on 14 US grants and 9 published applications in this corpus.
Search patents in E04G- Granted patents
- 14
- Published applications
- 9
- Assignees
- 8
- Inventors
- 22
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 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 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 0 |
| 2024 | 1 | 0 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Adjustable ladder platform7 Oct 2025US 12,435,568 B1
- Stairway work platform and method3 Jun 2025US 12,320,133 B2Werner Co.
- Stair and walkway system and method30 Jan 2024US 11,885,142 B2WIFCO Steel Products, Inc.
- Support apparatus9 May 2023US 11,643,828 B2Oxford Safety Components Limited
- Stairs to walkway system and method28 Mar 2023US 11,613,898 B2WIFCO Steel Products, Inc.
- Stairway work platform and method21 Aug 2025US 2025/0263942 A1Werner Co.
- Stairway Work Platform and Method6 Jan 2022US 2022/0003008 A1Werner Co.
- Support Apparatus1 Jul 2021US 2021/0198907 A1Oxford Safety Components Limited
- Stairs to walkway system and method29 Oct 2020US 2020/0340258 A1WIFCO Steel Products, Inc.
- Stair and walkway system and method29 Oct 2020US 2020/0340259 A1WIFCO Steel Products, Inc.
Most cited
By later US patents
- Camera handle with retractable bipod support98US 4,545,660 A1985
- Platform for stairs19US 4,457,397 A1984
- Ladder support and bracing apparatus11US 7,686,134 B12010
- Telescopic scaffold8US 4,371,057 A100426 Canada Ltee. · 1983
- Apparatus for setting up a ladder or a step on a staircase5US 10,612,304 B2Hailo-Werk Rudolf Loh GmbH & Co. KG · 2020