B08B 9/0856
Cleaning of water-treatment installations
Official title: {Cleaning of water-treatment installations}
B08B9/0856 (Cleaning of water-treatment installations) appears on 43 US grants and 36 published applications in this corpus.
Search patents in B08B- Granted patents
- 43
- Published applications
- 36
- Assignees
- 31
- Inventors
- 99
- Latest grant
- 24 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 3 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 3 |
| 2013 | 1 | 1 |
| 2014 | 0 | 3 |
| 2015 | 2 | 4 |
| 2016 | 3 | 5 |
| 2017 | 5 | 3 |
| 2018 | 5 | 3 |
| 2019 | 3 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Surface cleaning mechanisms and methods24 Oct 2023US 11,794,226 B2Dynamic Water Technologies Global, LLC
- Sludge harvester improvements25 Jan 2022US 11,229,861 B2Airrat Pty Ltd
- Water intake floating row cleaning system and construction method thereof22 Sep 2020US 10,781,565 B2Shenzhen Shenshui Water Resources Consulting Co., LTD.
- Irrigation device and system, and method for using the same14 May 2019US 10,285,345 B2Beijing University of Civil Engineering and Architecture
- Stormwater vault apparatus and method14 May 2019US 10,287,768 B1Suntree Technologies Holdings, LLC
- Tank cleaning system17 Sep 2026US 2026/0273595 A1
- Tank for use in microgravity10 Jul 2025US 2025/0222497 A1Hamilton Sundstrand Space Systems International, Inc.
- Underdrain and septa for media vessel and method of cleaning12 Dec 2024US 2024/0408517 A1
- Method and system of cleaning submerged structures3 Oct 2024US 2024/0326107 A1Sedivision, LLC
- Method and system of cleaning submerged structures15 Dec 2022US 2022/0395872 A1U.S. Submergent Technologies, LLC
Most cited
By later US patents
- Apparatus for cleaning algae and debris from a water treatment tank25US 4,830,748 A1989
- Ceramic filter filtration apparatus for purifying swimming pool water24US 5,632,890 A1997
- Method of cleaning porous ceramic filters23US 5,244,585 A1993
- Removal of solids from a wet oxidation reactor22US 4,217,218 ASterling Durg Inc. · 1980
- Backflushing system22US 4,244,821 AClevepak Corporation · 1981