E02D 29/1472
Cover entirely made of synthetic material
Official title: {Cover entirely made of synthetic material}
E02D29/1472 (Cover entirely made of synthetic material) appears on 19 US grants and 29 published applications in this corpus.
Search patents in E02D- Granted patents
- 19
- Published applications
- 29
- Assignees
- 19
- Inventors
- 63
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 3 |
| 2016 | 0 | 4 |
| 2017 | 3 | 1 |
| 2018 | 1 | 1 |
| 2019 | 3 | 6 |
| 2020 | 2 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 2 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lightweight molded covers and plates8 Sep 2026US 12,729,501 B2Hubbell Incorporated
- Lid for utilities enclosure having internal reinforcement matrix and method for making lid5 Mar 2024US 11,920,317 B2Channell Commercial Corporation
- Lightweight molded cover16 Jan 2024US 11,873,613 B2Hubbell Incorporated
- Mold for manufacturing a fiber reinforced polymer utility vault lid28 Mar 2023US 11,613,052 B2Channell Commercial Corporation
- Hybrid manhole cover16 Aug 2022US 11,414,829 B2Neenah Foundry Company
- Utility handholes1 Oct 2026US 2026/0302753 A1AFL Telecommunications LLC
- Riser ring assembly7 Aug 2025US 2025/0250763 A1Composite Access Products GP, LLC
- Underground utility enclosure system and method13 Mar 2025US 2025/0084606 A1
- Lightweight molded covers and plates18 Apr 2024US 2024/0125079 A1Hubbell Incorporated
- Bracket Attached to a Stainless Steel Anchor For a Compression-Molded Composite Manhole Cover14 Sep 2023US 2023/0287648 A1Composite Access Products GP, LLC
Most cited
By later US patents
- Temporary manhole cover and method41US 5,529,431 A1996
- Liner for manhole and a method for lining a manhole22US 6,018,914 AShonan Gosei-Jushi-Seisakusho K. K. · 2000
- Dish for use in a manhole17US 9,546,466 B2Utility Sealing Systems, Inc. · 2017
- Method of manufacturing a thermoset polymer utility vault lid5US 10,265,890 B2Channell Commercial Corporation · 2019
- Thermoset polymer utility vault lid4US 10,358,285 B2Channell Commercial Corporation · 2019