E04G 21/3252
Protections
Official title: {Protections, e.g. cover, caps, against impaling on starter reinforcement bars}
E04G21/3252 (Protections) appears on 56 US grants and 50 published applications in this corpus.
Search patents in E04G- Granted patents
- 56
- Published applications
- 50
- Assignees
- 25
- Inventors
- 95
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 3 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 4 |
| 2010 | 2 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 2 |
| 2015 | 3 | 2 |
| 2016 | 2 | 2 |
| 2017 | 2 | 2 |
| 2018 | 0 | 2 |
| 2019 | 1 | 2 |
| 2020 | 4 | 1 |
| 2021 | 3 | 2 |
| 2022 | 3 | 3 |
| 2023 | 2 | 1 |
| 2024 | 4 | 6 |
| 2025 | 3 | 3 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Protective device for protruding objects9 Dec 2025US 12,492,555 B2
- Embedded access assembly and method of use16 Sep 2025US 12,416,171 B1
- Safety cap5 Aug 2025US 12,378,767 B2
- Post hole cover1 Oct 2024US 12,104,392 B2EPS World Wide Holdings Pty Ltd
- Impalement hazard protective cap21 May 2024US 11,988,001 B2
- A void mat for stopping gaps around floor penetrations5 Mar 2026US 2026/0062935 A1Gripps Global Pty Ltd
- Safety cap5 Mar 2026US 2026/0062936 A1J.O.B 2023 LLC
- Protective cap for masonry straps29 Jan 2026US 2026/0028837 A1
- Protective cap for masonry straps29 Jan 2026US 2026/0028838 A1
- Non-slip safety plate and method of manufacturing the same25 Sep 2025US 2025/0297487 A1
Most cited
By later US patents
- Protective cover for concrete reinforcing bar70US 5,943,836 ADon De Cristo Concrete Accessories, Inc. · 1999
- Rebar safety cap68US 4,202,378 A1980
- Protective cover for concrete reinforcing bar52US 5,729,941 ADon De Cristo Concrete Accessories, Inc. · 1998
- Protective cover for covering an end of a concrete reinforcing bar47US 5,568,708 ADon De Cristo Concrete Accessories, Inc. · 1996
- Reinforcing bar protective cover41US 5,946,871 ADon De Cristo Concrete Accessories, Inc. · 1999