E04F 11/1836
Handrails of balustrades
Official title: {Handrails of balustrades; Connections between handrail members}
E04F11/1836 (Handrails of balustrades) appears on 125 US grants and 129 published applications in this corpus.
Search patents in E04F- Granted patents
- 125
- Published applications
- 129
- Assignees
- 63
- Inventors
- 218
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 3 |
| 2003 | 4 | 3 |
| 2004 | 1 | 2 |
| 2005 | 0 | 5 |
| 2006 | 1 | 6 |
| 2007 | 2 | 2 |
| 2008 | 1 | 3 |
| 2009 | 1 | 3 |
| 2010 | 2 | 5 |
| 2011 | 2 | 5 |
| 2012 | 4 | 5 |
| 2013 | 2 | 8 |
| 2014 | 5 | 1 |
| 2015 | 2 | 6 |
| 2016 | 2 | 3 |
| 2017 | 5 | 4 |
| 2018 | 2 | 9 |
| 2019 | 7 | 11 |
| 2020 | 7 | 10 |
| 2021 | 8 | 7 |
| 2022 | 6 | 11 |
| 2023 | 5 | 4 |
| 2024 | 4 | 2 |
| 2025 | 5 | 4 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-pieced handrail-mounting bracket and corresponding method14 Jul 2026US 12,680,309 B29220-6820 Quebec Inc.
- Cable rail with rigid bridge beam14 Jul 2026US 12,680,311 B2Barrette Outdoor Living, Inc.
- Length adjustable railing panel with removable upright end rails7 Apr 2026US 12,595,661 B2PrimeSource Building Products, Inc.
- Handrail for railroad vehicle and method for changing natural frequency of said handrail24 Mar 2026US 12,583,374 B2Kawasaki Railcar Manufacturing Co., Ltd.
- Hand rail system and associated components and methods10 Feb 2026US 12,546,117 B2
- Railing covering device1 Oct 2026US 2026/0297955 A11406459 B.C. Ltd.
- Length adjustable railing panel with removable upright end rails16 Jul 2026US 2026/0201703 A1PrimeSource Building Products, Inc.
- Hand rail system and associated components and methods18 Jun 2026US 2026/0168252 A1
- Top-load vertical railing12 Feb 2026US 2026/0043242 A1
- Vertical railing12 Feb 2026US 2026/0043244 A1
Most cited
By later US patents
- Modular portable stage system72US 6,106,186 AWenger Corporation · 2000
- Illuminated hand rail65US 4,161,769 AZimmerman Metals, Inc. · 1979
- Modular portable system45US 5,848,501 AWenger Corporation · 1998
- Handrail gate, hinge coupling and lock43US 6,565,069 B22003
- Top rail for use on railing construction38US 4,220,316 AKabushiki Kaisha Naka Gijutsu Kenkyusho · 1980