E04H 12/003
Access covers or locks therefor
Official title: {Access covers or locks therefor}
E04H12/003 (Access covers or locks therefor) appears on 96 US grants and 91 published applications in this corpus.
Search patents in E04H- Granted patents
- 96
- Published applications
- 91
- Assignees
- 68
- Inventors
- 180
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 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 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 3 | 2 |
| 2005 | 3 | 0 |
| 2006 | 2 | 3 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 4 |
| 2010 | 1 | 2 |
| 2011 | 3 | 6 |
| 2012 | 4 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 4 |
| 2015 | 6 | 5 |
| 2016 | 4 | 3 |
| 2017 | 6 | 5 |
| 2018 | 1 | 6 |
| 2019 | 5 | 2 |
| 2020 | 5 | 8 |
| 2021 | 5 | 15 |
| 2022 | 8 | 3 |
| 2023 | 6 | 2 |
| 2024 | 5 | 8 |
| 2025 | 4 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Modular wind tower10 Mar 2026US 12,571,229 B2
- Systems and methods for detering theft of internal components of streetlights17 Feb 2026US 12,553,591 B2
- Pole and pole unit23 Dec 2025US 12,503,878 B2NEC Corporation
- Combined streetlight9 Dec 2025US 12,494,563 B2Agileiots Investment Co., Ltd.
- Multi-functional support pole assembly2 Dec 2025US 12,486,688 B2Kmw Inc.
- Systems and methods for detering theft of internal components of streetlights23 Jul 2026US 2026/0210532 A1
- Autonomous Street Pole Comfort System (ASPCS)23 Jul 2026US 2026/0210561 A1
- Modular common pole4 Jun 2026US 2026/0152963 A1Darwin Precisions Corporation
- Systems and methods for detering theft of internal components of streetlights21 Aug 2025US 2025/0264209 A1
- Pole and pole unit1 May 2025US 2025/0137277 A1NEC Corporation
Most cited
By later US patents
- Outdoor lightpole65US 4,878,160 A1989
- Utility pole having an access opening cover over a raised perimeter access opening38US 4,914,258 A1990
- Cell tower and method of use34US 9,698,477 B1Mobilitie, LLC · 2017
- Handhole compartment29US 6,204,446 B12001
- Deck post26US 6,742,748 B1Arlington Industries, Inc. · 2004