E03F 2005/028
Sealing joints between manhole segments
Official title: {Sealing joints between manhole segments}
E03F2005/028 (Sealing joints between manhole segments) appears on 18 US grants and 12 published applications in this corpus.
Search patents in E03F- Granted patents
- 18
- Published applications
- 12
- Assignees
- 11
- Inventors
- 22
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 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 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 3 |
| 2022 | 1 | 2 |
| 2023 | 2 | 0 |
| 2024 | 2 | 1 |
| 2025 | 2 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Manhole cover seal2 Dec 2025US 12,486,656 B1
- Conical wall riser with interleaved tab connectors4 Mar 2025US 12,240,688 B2Infiltrator Water Technologies, LLC
- Multi-purpose lid for septic tank and an associated riser25 Jun 2024US 12,018,472 B1Infiltrator Water Technologies, LLC
- Frame system and manhole covering16 Jan 2024US 11,873,614 B2Aco Ahlmann SE & Co. KG
- Concrete sanitary sewer pipes and manholes featuring a protective plastic liner27 Jun 2023US 11,686,419 B2
- Manhole cover seal4 Dec 2025US 2025/0369221 A1Danny Warren Consulting, LLC
- Conical wall riser with interleaved tab connectors5 Jun 2025US 2025/0178828 A1Infiltrator Water Technologies, LLC
- Tank Wall Connection27 Feb 2025US 2025/0066114 A1Dutchland, Inc.
- Multi-purpose lid for septic tank and associated riser18 Jul 2024US 2024/0240445 A1Advanced Drainage Systems, Inc.
- Conical wall riser with interleaved tab connectors29 Dec 2022US 2022/0411179 A1Infiltrator Water Technologies, LLC
Most cited
By later US patents
- Adjustable clamping band for gaskets and method for using same32US 4,746,127 AA-Lok Products, Inc. · 1988
- Method and apparatus for forming inverts in manhole assemblies, and the like27US 4,422,994 AA-Lok Products, Inc. · 1983
- Monolithic precast invert system24US 4,565,347 AA-Lok Products, Inc. · 1986
- Apparatus for forming an opening with a gasket in a masonry manhole13US 4,854,543 ALes Industries Fortier Ltee · 1989
- Valve box11US 4,874,105 A1989