E04F 11/1842
Balusters
Official title: {Balusters; Grille-type elements}
E04F11/1842 (Balusters) appears on 149 US grants and 160 published applications in this corpus.
Search patents in E04F- Granted patents
- 149
- Published applications
- 160
- Assignees
- 80
- Inventors
- 243
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 9 | 1 |
| 2002 | 7 | 2 |
| 2003 | 0 | 4 |
| 2004 | 4 | 7 |
| 2005 | 1 | 9 |
| 2006 | 3 | 7 |
| 2007 | 2 | 4 |
| 2008 | 2 | 9 |
| 2009 | 7 | 7 |
| 2010 | 2 | 5 |
| 2011 | 6 | 10 |
| 2012 | 2 | 4 |
| 2013 | 6 | 6 |
| 2014 | 4 | 7 |
| 2015 | 4 | 5 |
| 2016 | 5 | 6 |
| 2017 | 8 | 4 |
| 2018 | 4 | 7 |
| 2019 | 4 | 5 |
| 2020 | 3 | 12 |
| 2021 | 4 | 2 |
| 2022 | 10 | 8 |
| 2023 | 6 | 6 |
| 2024 | 4 | 3 |
| 2025 | 6 | 9 |
| 2026 | 2 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vertical cable railing assembly29 Sep 2026US 12,747,773 B2Digger Specialties, Inc.
- Length adjustable railing panel with removable upright end rails7 Apr 2026US 12,595,661 B2PrimeSource Building Products, Inc.
- Baluster connectors and systems having the same16 Sep 2025US 12,416,161 B2The AZEK Group LLC
- Baluster installation device and methods of use24 Jun 2025US 12,338,633 B2
- Railing assemblies and methods of installation22 Apr 2025US 12,281,478 B2UFP Industries, Inc.
- Railing Systems Including Rail Assemblies With Integral Baluster Retention Members and Inserts23 Jul 2026US 2026/0210120 A1Alwood Industries
- Railing assemblies and methods of installation23 Jul 2026US 2026/0210121 A1UFP Industries, Inc.
- Length adjustable railing panel with removable upright end rails16 Jul 2026US 2026/0201703 A1PrimeSource Building Products, Inc.
- Accessory Mounting Device7 May 2026US 2026/0125908 A1
- Railing assembly having balusters with locking tabs7 May 2026US 2026/0125910 A1Envision Outdoor Living Products LLC
Most cited
By later US patents
- Guard rail70US 4,027,855 AThe Central Automobile Industry Co., Ltd. · 1977
- Modular cladding element67US 6,226,950 B1L. B. (Plastics) Limited · 2001
- Railing assembly58US 6,305,670 B12001
- Modular post cladding element, post cladding assembly, and method of cladding a post47US 5,956,920 AL. B. (Plastics) Limited · 1999
- Railing system44US 7,543,802 B2Alpa Lumber Inc. · 2009