E02D 29/14
Covers for manholes or the like
Official title: Covers for manholes or the like; Frames for covers {(gully gratings E03F5/06)}
E02D29/14 (Covers for manholes or the like) appears on 793 US grants and 559 published applications in this corpus.
Search patents in E02D- Granted patents
- 793
- Published applications
- 559
- Assignees
- 338
- Inventors
- 1,109
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 11 | 0 |
| 1978 | 8 | 0 |
| 1979 | 7 | 0 |
| 1980 | 7 | 0 |
| 1981 | 9 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 11 | 0 |
| 1985 | 11 | 0 |
| 1986 | 12 | 0 |
| 1987 | 11 | 0 |
| 1988 | 11 | 0 |
| 1989 | 12 | 0 |
| 1990 | 20 | 0 |
| 1991 | 15 | 0 |
| 1992 | 12 | 0 |
| 1993 | 13 | 0 |
| 1994 | 24 | 0 |
| 1995 | 16 | 0 |
| 1996 | 14 | 0 |
| 1997 | 10 | 0 |
| 1998 | 17 | 0 |
| 1999 | 25 | 0 |
| 2000 | 11 | 0 |
| 2001 | 11 | 4 |
| 2002 | 16 | 11 |
| 2003 | 11 | 13 |
| 2004 | 26 | 18 |
| 2005 | 16 | 13 |
| 2006 | 14 | 18 |
| 2007 | 16 | 28 |
| 2008 | 12 | 25 |
| 2009 | 8 | 25 |
| 2010 | 21 | 16 |
| 2011 | 22 | 13 |
| 2012 | 8 | 16 |
| 2013 | 16 | 25 |
| 2014 | 26 | 28 |
| 2015 | 22 | 18 |
| 2016 | 23 | 41 |
| 2017 | 23 | 34 |
| 2018 | 27 | 27 |
| 2019 | 34 | 37 |
| 2020 | 18 | 23 |
| 2021 | 30 | 25 |
| 2022 | 21 | 17 |
| 2023 | 13 | 19 |
| 2024 | 21 | 29 |
| 2025 | 16 | 20 |
| 2026 | 15 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E02D 29/1427Locking devices183
- E02D 29/1409Adjustable in height or inclination131
- E02D 29/149Annular gaskets82
- E02D 29/1463Hinged connection of cover to frame72
- E02D 29/1418With implements to assist in lifting62
- E02D 29/1445Tools for positioning or removing cover frames53
- E02D 29/1481Security devices35
- E02D 29/1454Non-circular covers33
Recent patents
- Modular pit frame6 Oct 2026US 12,753,566 B2The Ford Meter Box Company, Inc.
- Manhole cover assembly29 Sep 2026US 12,747,556 B2Neenah Foundry Company
- Manhole lock system22 Sep 2026US 12,742,300 B2EJ USA, Inc.
- Lightweight molded covers and plates8 Sep 2026US 12,729,501 B2Hubbell Incorporated
- Sealed hatch assembly for underground enclosure18 Aug 2026US 12,709,859 B2
- Universal mount cover assembly for underground enclosures8 Oct 2026US 2026/0308865 A1Oldcastle Infrastructure, Inc.
- Smart manhole cover with radar level meter1 Oct 2026US 2026/0297884 A1Bvk Teknoloji Anonim Sirketi
- Utility handholes1 Oct 2026US 2026/0302753 A1AFL Telecommunications LLC
- In-ground utility access box and related methods1 Oct 2026US 2026/0302754 A1American Polymer Corporation
- Grade-level access system in underground enclosures24 Sep 2026US 2026/0286641 A1Oldcastle Infrastructure, Inc.
Most cited
By later US patents