E04G 15/068
For channels open towards the surface
Official title: {for channels open towards the surface}
E04G15/068 (For channels open towards the surface) appears on 22 US grants and 21 published applications in this corpus.
Search patents in E04G- Granted patents
- 22
- Published applications
- 21
- Assignees
- 17
- Inventors
- 40
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 3 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 3 |
| 2022 | 4 | 3 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Drain, method for installing a drain, and a kit of parts for installing a drain27 Sep 2022US 11,454,016 B2
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- Ceiling plate28 Apr 2022US 2022/0126708 A1Mahle International GmbH
- Keywell form retention assembly17 Mar 2022US 2022/0081918 A1
- Multi-Use Donut for Piping Installation3 Mar 2022US 2022/0063132 A1
- Drain, Method for Installing a Drain, and a Kit of Parts for Installing a Drain16 Sep 2021US 2021/0285201 A1
- Systems and methods for an indicator system in firestop protection systems17 Jun 2021US 2021/0180343 A1Hilti Aktiengesellschaft
Most cited
By later US patents
- Joining method and joining structure as well as form for concrete products36US 6,164,618 AYamax Corporation · 2000
- Method and apparatus for forming a trench drain33US 6,595,720 B2ACO Polymer Products, Inc. · 2003
- Joining method and joining structure as well as form for concrete products17US 6,014,849 AYamax Corporation · 2000
- Extruded plastic rustication device for forming decorative concrete panels10US 6,279,868 B1Miller-Valentine Construction Inc. · 2001
- Method and device for producing slotted concrete walls in place7US 4,348,344 A1982