E04C 2/421
Made of bar-like elements
Official title: {made of bar-like elements, e.g. bars discontinuous in one direction}
E04C2/421 (Made of bar-like elements) appears on 104 US grants and 67 published applications in this corpus.
Search patents in E04C- Granted patents
- 104
- Published applications
- 67
- Assignees
- 65
- Inventors
- 153
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 3 |
| 2007 | 0 | 0 |
| 2008 | 1 | 4 |
| 2009 | 1 | 3 |
| 2010 | 2 | 6 |
| 2011 | 3 | 3 |
| 2012 | 5 | 4 |
| 2013 | 1 | 2 |
| 2014 | 4 | 4 |
| 2015 | 2 | 0 |
| 2016 | 1 | 6 |
| 2017 | 7 | 2 |
| 2018 | 1 | 2 |
| 2019 | 3 | 5 |
| 2020 | 2 | 2 |
| 2021 | 0 | 2 |
| 2022 | 1 | 1 |
| 2023 | 2 | 6 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Grate grounding device18 Aug 2026US 12,712,296 B2Hubbell Incorporated
- Grating separation method and system for separating grating11 Aug 2026US 12,703,032 B2Nucor Corporation
- Weighing platform with a latticed load-bearing structure6 May 2025US 12,292,323 B2Megaterm Plus Spolka Z Ograniczona Odpowiedzialnoscia
- Component with structured panel(s) and methods for forming the component12 Mar 2024US 11,925,971 B2Rohr, Inc.
- Weighing platform with a latticed load-bearing structure6 Feb 2024US 11,892,341 B2Megaterm Plus Spolka Z Ograniczona Odpowiedialnoscia
- Method of forming a grating having variable height transverse bars23 Jul 2026US 2026/0210493 A1Ohio Gratings, Inc.
- Insulated trellis mat25 Jun 2026US 2026/0176882 A1Oxford Safety Components Limited
- Grating having bearing bars with unique cross section31 Jul 2025US 2025/0243665 A1Ohio Gratings, Inc.
- Removable wall panel for portable electrical buildings10 Jul 2025US 2025/0223794 A1Quality Electrical Systems, Inc.
- Weighing platform with a latticed load-bearing structure2 May 2024US 2024/0142297 A1Megaterm Plus Spolka Z Ograniczona Odpowiedzialnoscia
Most cited
By later US patents
- Rigid structure47US 4,034,135 A1977
- Method of manufacturing a grating constructed of resin bonded fibers39US 4,244,768 A1981
- Floor grid system39US 4,999,964 AInnovative Building Products, Inc. · 1991
- Lock rod system for flooring grating and method for assembling same37US 4,522,009 A1985
- Screw slot runner system35US 4,535,580 ADonn Incorporated · 1985