E03F 5/027
The bottom made of prefabricated segments
Official title: {The bottom made of prefabricated segments}
E03F5/027 (The bottom made of prefabricated segments) appears on 12 US grants and 12 published applications in this corpus.
Search patents in E03F- Granted patents
- 12
- Published applications
- 12
- Assignees
- 7
- Inventors
- 16
- Latest grant
- 28 Dec 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 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 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 2 |
| 2019 | 4 | 2 |
| 2020 | 2 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Flow channel form design for manhole assemblies28 Dec 2021US 11,208,816 B1S & M Precast, Inc.
- Flow channel form design for manhole assemblies7 Jul 2020US 10,704,277 B1S & M Precast, Inc.
- Inspection chamber for a pipe structure for drainage or sewerage4 Feb 2020US 10,550,562 B2Wavin B. V.
- Manhole base assembly with internal liner and method of manufacturing same1 Oct 2019US 10,428,512 B2Press-Seal Corporation
- Manhole base liner and method for manufacturing a manhole base liner2 Jul 2019US 10,340,112 B1Predl GmbH
- Access chamber10 Apr 2025US 2025/0116103 A1
- Manhole base liner and method for manufacturing a manhole base liner18 Jul 2019US 2019/0218763 A1Predl GmbH
- Manhole base assembly with internal liner and method of manufacturing same16 May 2019US 2019/0145091 A1Press-Seal Corporation
- Inspection chamber for a pipe structure for drainage or sewerage11 Oct 2018US 2018/0291609 A1Wavin B. V.
- Manhole base liner and method for manufacturing a manhole base liner4 Oct 2018US 2018/0282978 A1Predl GmbH
Most cited
By later US patents
- Flumes for manhole inverts10US 5,553,973 A1996
- Manhole base assembly with internal liner and method of manufacturing same8US 10,214,893 B2Press-Seal Corporation · 2019
- Manhole base6US 6,968,854 B2Munro Concrete Products Ltd. · 2005
- Inspection chamber, as well as set of base parts therefor5US 7,774,988 B2Pipelife Nederland B.V. · 2010
- Manhole base assembly with internal liner and method of manufacturing same5US 9,617,722 B2Press-Seal Corporation · 2017