E02B 5/02
Making or lining canals
Official title: Making or lining canals {(linings in general E02B13/02; digging canals E02F)}
E02B5/02 (Making or lining canals) appears on 98 US grants and 69 published applications in this corpus.
Search patents in E02B- Granted patents
- 98
- Published applications
- 69
- Assignees
- 46
- Inventors
- 154
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 3 | 2 |
| 2004 | 6 | 6 |
| 2005 | 3 | 10 |
| 2006 | 3 | 8 |
| 2007 | 5 | 0 |
| 2008 | 2 | 3 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 4 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 3 |
| 2015 | 3 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 2 |
| 2018 | 1 | 3 |
| 2019 | 5 | 4 |
| 2020 | 5 | 4 |
| 2021 | 2 | 3 |
| 2022 | 3 | 1 |
| 2023 | 1 | 1 |
| 2024 | 3 | 1 |
| 2025 | 3 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Restoring seawater canal divider walls23 Dec 2025US 12,503,870 B2Saudi Arabian Oil Company
- Ditch and canal liner assembly12 Aug 2025US 12,385,204 B2American Leak Detection Irrigation, Inc.
- Cryogenic trench/trough apparatus and method24 Jun 2025US 12,338,616 B1Waskey Bridges, Inc.
- Ditch and canal liner assembly16 Apr 2024US 11,959,240 B2American Leak Detection Irrigation, Inc.
- Aqueduct leakage repairing method5 Mar 2024US 11,920,313 B2Guangdong Research Institute of Water Resources and Hydropower
- Angled rung double wall canal liner10 Sep 2026US 2026/0266009 A1
- Double wall canal liner30 Apr 2026US 2026/0117477 A1
- Ditch and canal liner assembly20 Nov 2025US 2025/0354344 A1American Leak Detection Irrigation, Inc.
- Restoring Seawater Canal Divider Walls27 Mar 2025US 2025/0101758 A1Saudi Arabian Oil Company
- Ditch and canal liner assembly27 Jun 2024US 2024/0209582 A1American Leak Detection Irrigation, Inc.
Most cited
By later US patents
- Convertible construction machine118US 4,029,165 AMiller Formless Co., Inc. · 1977
- Canal paving machine38US 4,360,293 AGOMACO Corporation · 1982
- Apparatus for forming a continuous plastic sheet30US 4,828,432 APMC, Inc. · 1989
- Ditch lining apparatus27US 4,319,859 APower Curbers, Inc. · 1982
- Apparatus and method for transporting water26US 6,692,186 B1Fast Ditch, Inc. · 2004