E04F 11/18
Balustrades
Official title: Balustrades; Handrails (guard-rails on ships B63B; for bridges E01D19/10; for roads E01F13/00, E01F15/00; fences E04H17/00 {; safety measures for persons during the construction of buildings E04G21/32})
E04F11/18 (Balustrades) appears on 1,200 US grants and 1,182 published applications in this corpus.
Search patents in E04F- Granted patents
- 1,200
- Published applications
- 1,182
- Assignees
- 522
- Inventors
- 1,750
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 17 | 0 |
| 1978 | 15 | 0 |
| 1979 | 10 | 0 |
| 1980 | 8 | 0 |
| 1981 | 12 | 0 |
| 1982 | 11 | 0 |
| 1983 | 19 | 0 |
| 1984 | 6 | 0 |
| 1985 | 10 | 0 |
| 1986 | 10 | 0 |
| 1987 | 11 | 0 |
| 1988 | 8 | 0 |
| 1989 | 16 | 0 |
| 1990 | 15 | 0 |
| 1991 | 11 | 0 |
| 1992 | 14 | 0 |
| 1993 | 10 | 0 |
| 1994 | 22 | 0 |
| 1995 | 14 | 0 |
| 1996 | 17 | 0 |
| 1997 | 15 | 0 |
| 1998 | 18 | 0 |
| 1999 | 12 | 0 |
| 2000 | 33 | 0 |
| 2001 | 27 | 5 |
| 2002 | 24 | 31 |
| 2003 | 25 | 36 |
| 2004 | 25 | 45 |
| 2005 | 22 | 45 |
| 2006 | 20 | 45 |
| 2007 | 18 | 42 |
| 2008 | 22 | 41 |
| 2009 | 23 | 45 |
| 2010 | 19 | 38 |
| 2011 | 30 | 50 |
| 2012 | 22 | 33 |
| 2013 | 28 | 48 |
| 2014 | 39 | 48 |
| 2015 | 31 | 50 |
| 2016 | 29 | 50 |
| 2017 | 58 | 38 |
| 2018 | 37 | 53 |
| 2019 | 38 | 56 |
| 2020 | 40 | 68 |
| 2021 | 42 | 63 |
| 2022 | 51 | 68 |
| 2023 | 54 | 44 |
| 2024 | 45 | 49 |
| 2025 | 52 | 48 |
| 2026 | 32 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E04F 11/181Balustrades881
- E04F 2011/1885Handrails or balusters characterized by the use of specific materialsIndexing code195
- E04F 2011/1868Miscellaneous features of handrails not otherwise provided forIndexing code188
- E04F 11/1802Handrails mounted on walls146
- E04F 11/1865Collapsible or portable balustrades65
- E04F 11/1863Built-in aids for ascending or descending stairs53
Recent patents
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- Vertical cable railing assembly29 Sep 2026US 12,747,773 B2Digger Specialties, Inc.
- Fall control system and method of controlling a movement during fall22 Sep 2026US 12,740,910 B22Innovate LLC
- Adjustable stair railing post assembly22 Sep 2026US 12,742,327 B2PrimeSource Building Products, Inc.
- Training hand rail8 Sep 2026US 12,729,540 B2
- 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.
- Recessed Handrail and Method of Installation24 Sep 2026US 2026/0286709 A1Iron Baluster, LLC
- Fastening device for panels, in particular for glass plates24 Sep 2026US 2026/0286710 A1Mypro Research S.R.L.
Most cited
By later US patents