E04F 11/1802
Handrails mounted on walls
Official title: {Handrails mounted on walls, e.g. on the wall side of stairs}
E04F11/1802 (Handrails mounted on walls) appears on 146 US grants and 146 published applications in this corpus.
Search patents in E04F- Granted patents
- 146
- Published applications
- 146
- Assignees
- 83
- Inventors
- 253
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 2 |
| 2003 | 6 | 4 |
| 2004 | 0 | 3 |
| 2005 | 2 | 1 |
| 2006 | 0 | 4 |
| 2007 | 0 | 2 |
| 2008 | 1 | 6 |
| 2009 | 2 | 4 |
| 2010 | 0 | 1 |
| 2011 | 2 | 3 |
| 2012 | 2 | 3 |
| 2013 | 2 | 6 |
| 2014 | 6 | 10 |
| 2015 | 5 | 8 |
| 2016 | 3 | 9 |
| 2017 | 15 | 5 |
| 2018 | 8 | 8 |
| 2019 | 5 | 9 |
| 2020 | 9 | 14 |
| 2021 | 8 | 11 |
| 2022 | 5 | 9 |
| 2023 | 6 | 7 |
| 2024 | 4 | 5 |
| 2025 | 9 | 8 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Training hand rail8 Sep 2026US 12,729,540 B2
- Stair navigation assist system12 May 2026US 12,622,837 B2University of Pittsburgh—Of the Commonwealth System of Higher Education
- Handrail for railroad vehicle and method for changing natural frequency of said handrail24 Mar 2026US 12,583,374 B2Kawasaki Railcar Manufacturing Co., Ltd.
- Tubular member flange attachment and methods of attaching a flange to a tubular member30 Dec 2025US 12,508,642 B2Bobrick Washroom Equipment, Inc.
- Dual-axis swivel bracket9 Dec 2025US 12,492,560 B2Key-Link Fencing & Railing, Inc.
- Recessed Handrail and Method of Installation24 Sep 2026US 2026/0286709 A1Iron Baluster, LLC
- Stairlift system9 Jul 2026US 2026/0193058 A1
- Respect barrier for a museum environment25 Jun 2026US 2026/0176835 A1Goppion S.P.A.
- Handrail return28 May 2026US 2026/0146455 A1Mb Rail Products LLC
- Tubular member flange attachment and methods of attaching a flange to a tubular member18 Dec 2025US 2025/0381591 A1Bobrick Washroom Equipment, Inc.
Most cited
By later US patents