E02D 29/124
Shaft entirely made of synthetic material
Official title: {Shaft entirely made of synthetic material}
E02D29/124 (Shaft entirely made of synthetic material) appears on 120 US grants and 51 published applications in this corpus.
Search patents in E02D- Granted patents
- 120
- Published applications
- 51
- Assignees
- 60
- Inventors
- 168
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 0 |
| 2003 | 2 | 1 |
| 2004 | 1 | 3 |
| 2005 | 2 | 0 |
| 2006 | 1 | 4 |
| 2007 | 0 | 5 |
| 2008 | 3 | 2 |
| 2009 | 2 | 1 |
| 2010 | 1 | 3 |
| 2011 | 2 | 4 |
| 2012 | 1 | 1 |
| 2013 | 1 | 3 |
| 2014 | 2 | 2 |
| 2015 | 1 | 0 |
| 2016 | 0 | 3 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 2 | 2 |
| 2020 | 2 | 4 |
| 2021 | 4 | 1 |
| 2022 | 2 | 1 |
| 2023 | 4 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Modular network access frame and cover12 May 2026US 12,624,516 B2Cubis Systems Limited
- Underground room arrangement21 Apr 2026US 12,607,004 B2PeltomäEn Rakennus Oy
- Floating foundation5 Sep 2023US 11,746,495 B2
- Riser sections and risers made therefrom22 Aug 2023US 11,732,433 B1
- Safety grating for riser of a septic tank15 Aug 2023US 11,725,361 B2Infiltrator Water Technologies, LLC
- Utility handholes1 Oct 2026US 2026/0302753 A1AFL Telecommunications LLC
- Arrangement applied to dismountable modular junction box with back pressure fittings9 Apr 2026US 2026/0098391 A1
- Manhole construction4 Sep 2025US 2025/0277349 A1Advanced Drainage Systems, Inc.
- Method of Manufacturing a Precast Concrete Utility Vault21 Aug 2025US 2025/0262797 A1
- Manhole construction14 Aug 2025US 2025/0257545 A1Advanced Drainage Systems, Inc.
Most cited
By later US patents
- Underground service bay for vehicles and process for constructing same127US 5,701,706 A1997
- Underground reinforced plastic enclosure69US 3,974,599 AIndian Head Inc. · 1976
- Segmented cylindrical reinforced plastic manhole structure65US 4,089,139 AArmco Steel Corporation · 1978
- Plastic fillable manhole cover with penetrating handles61US 5,123,776 AAdvanced Drainage Systems, Inc. · 1992
- Manhole extender elements57US 4,187,647 A1980