E04F 2011/1889
Mainly of metal
Official title: {mainly of metal}
E04F2011/1889 (Mainly of metal) appears on 50 US grants and 67 published applications in this corpus.
Search patents in E04F- Granted patents
- 50
- Published applications
- 67
- Assignees
- 33
- Inventors
- 109
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 3 |
| 2005 | 0 | 2 |
| 2006 | 1 | 4 |
| 2007 | 2 | 1 |
| 2008 | 1 | 4 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 4 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 3 |
| 2015 | 1 | 5 |
| 2016 | 1 | 0 |
| 2017 | 0 | 3 |
| 2018 | 2 | 5 |
| 2019 | 2 | 4 |
| 2020 | 1 | 4 |
| 2021 | 2 | 7 |
| 2022 | 4 | 4 |
| 2023 | 5 | 2 |
| 2024 | 4 | 3 |
| 2025 | 0 | 3 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adjustable stair railing post assembly22 Sep 2026US 12,742,327 B2PrimeSource Building Products, Inc.
- Platform system27 Jan 2026US 12,534,923 B2Safe Rack LLC
- Guardrail formed from folded sheet metal20 Jan 2026US 12,529,230 B2BŌK Modern LLC
- Railing joint16 Jul 2024US 12,037,795 B2Modern Co., Ltd.
- Fall protection system for electrical transformers16 Apr 2024US 11,959,291 B2Consolidated Edison Company of New York, Inc.
- Railing Systems Including Rail Assemblies With Integral Baluster Retention Members and Inserts23 Jul 2026US 2026/0210120 A1Alwood Industries
- Support Structure System And Method For Manufacturing and Using the Same4 Jun 2026US 2026/0152965 A1
- Platform system28 May 2026US 2026/0146458 A1Safe Rack LLC
- Support structure and method for manufacturing thereof4 Dec 2025US 2025/0369249 A1
- Adjustable stair railing post assembly8 May 2025US 2025/0146292 A1Fortress Iron, LP
Most cited
By later US patents
- Railing system44US 7,543,802 B2Alpa Lumber Inc. · 2009
- Modular metal fencing and gratings employing novel fastening means for reduction of assembly time42US 5,454,548 A1995
- Post assembly and trim ring39US 7,243,473 B22007
- Railing spindle or baluster32US 5,876,021 A1999
- Rail mounting systems and methods32US 6,805,335 B22004