E04F 11/181
Balustrades
Official title: {Balustrades}
E04F11/181 (Balustrades) appears on 881 US grants and 881 published applications in this corpus.
Search patents in E04F- Granted patents
- 881
- Published applications
- 881
- Assignees
- 390
- Inventors
- 1,220
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 14 | 0 |
| 1978 | 13 | 0 |
| 1979 | 9 | 0 |
| 1980 | 5 | 0 |
| 1981 | 8 | 0 |
| 1982 | 10 | 0 |
| 1983 | 14 | 0 |
| 1984 | 5 | 0 |
| 1985 | 8 | 0 |
| 1986 | 10 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 11 | 0 |
| 1990 | 12 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 7 | 0 |
| 1994 | 13 | 0 |
| 1995 | 10 | 0 |
| 1996 | 12 | 0 |
| 1997 | 9 | 0 |
| 1998 | 10 | 0 |
| 1999 | 10 | 0 |
| 2000 | 22 | 0 |
| 2001 | 22 | 4 |
| 2002 | 17 | 16 |
| 2003 | 16 | 30 |
| 2004 | 17 | 31 |
| 2005 | 13 | 36 |
| 2006 | 16 | 29 |
| 2007 | 12 | 27 |
| 2008 | 13 | 24 |
| 2009 | 20 | 36 |
| 2010 | 13 | 31 |
| 2011 | 19 | 37 |
| 2012 | 16 | 26 |
| 2013 | 23 | 41 |
| 2014 | 31 | 36 |
| 2015 | 24 | 42 |
| 2016 | 20 | 36 |
| 2017 | 36 | 26 |
| 2018 | 27 | 40 |
| 2019 | 32 | 45 |
| 2020 | 24 | 52 |
| 2021 | 33 | 42 |
| 2022 | 42 | 53 |
| 2023 | 42 | 35 |
| 2024 | 39 | 37 |
| 2025 | 37 | 33 |
| 2026 | 25 | 36 |
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.
- Adjustable stair railing post assembly22 Sep 2026US 12,742,327 B2PrimeSource Building Products, Inc.
- Railing connector system and method of installing railing4 Aug 2026US 12,698,634 B2PrimeSource Building Products, Inc.
- Rail structure and balcony comprising the rail structure28 Jul 2026US 12,692,692 B2InsinööRitomisto Cm-Rakentajat Oy
- Portable staircase21 Jul 2026US 12,687,023 B1
- Upright Structure Assembly for Flooring System1 Oct 2026US 2026/0297954 A1Ryno Ltd.
- Railing covering device1 Oct 2026US 2026/0297955 A11406459 B.C. Ltd.
- Single mount tensioner and wire attachment system1 Oct 2026US 2026/0297956 A1Suncor Stainless, Inc.
- Fastening device for panels, in particular for glass plates24 Sep 2026US 2026/0286710 A1Mypro Research S.R.L.
- Connector assemblies and methods of use and installation24 Sep 2026US 2026/0286711 A1UFP Industries, Inc.
Most cited
By later US patents