E02B 15/00
Cleaning or keeping clear the surface of open water
Official title: Cleaning or keeping clear the surface of open water; Apparatus therefor (construction of ships or other waterborne vessels B63B, e.g. vessels specially adapted for collecting pollution from open water B63B35/32; in swimming or splash baths or pools E04H4/16)
E02B15/00 (Cleaning or keeping clear the surface of open water) appears on 1,313 US grants and 778 published applications in this corpus.
Search patents in E02B- Granted patents
- 1,313
- Published applications
- 778
- Assignees
- 576
- Inventors
- 2,075
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 32 | 0 |
| 1977 | 51 | 0 |
| 1978 | 40 | 0 |
| 1979 | 27 | 0 |
| 1980 | 25 | 0 |
| 1981 | 40 | 0 |
| 1982 | 39 | 0 |
| 1983 | 25 | 0 |
| 1984 | 17 | 0 |
| 1985 | 23 | 0 |
| 1986 | 22 | 0 |
| 1987 | 19 | 0 |
| 1988 | 11 | 0 |
| 1989 | 21 | 0 |
| 1990 | 16 | 0 |
| 1991 | 48 | 0 |
| 1992 | 58 | 0 |
| 1993 | 51 | 0 |
| 1994 | 34 | 0 |
| 1995 | 33 | 0 |
| 1996 | 24 | 0 |
| 1997 | 19 | 0 |
| 1998 | 19 | 0 |
| 1999 | 17 | 0 |
| 2000 | 15 | 0 |
| 2001 | 10 | 4 |
| 2002 | 13 | 13 |
| 2003 | 14 | 12 |
| 2004 | 11 | 17 |
| 2005 | 8 | 16 |
| 2006 | 11 | 9 |
| 2007 | 6 | 12 |
| 2008 | 9 | 15 |
| 2009 | 12 | 23 |
| 2010 | 12 | 16 |
| 2011 | 14 | 50 |
| 2012 | 11 | 60 |
| 2013 | 24 | 70 |
| 2014 | 51 | 50 |
| 2015 | 44 | 56 |
| 2016 | 42 | 46 |
| 2017 | 46 | 31 |
| 2018 | 32 | 27 |
| 2019 | 39 | 33 |
| 2020 | 34 | 36 |
| 2021 | 28 | 38 |
| 2022 | 31 | 36 |
| 2023 | 23 | 32 |
| 2024 | 24 | 27 |
| 2025 | 25 | 25 |
| 2026 | 13 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity8 Sep 2026US 12,729,140 B2Ecolab USA Inc.
- Waste collection apparatus1 Sep 2026US 12,723,362 B2Evolutive Labs Co., Ltd.
- Autonomous water vehicle for collecting waste and algae from water bodies and method of operation25 Aug 2026US 12,715,789 B2
- Aquarium skimmer devices, systems, and methods4 Aug 2026US 12,696,882 B2
- AI-based autonomous system and method for predicting and removing floating waste from water bodies23 Jun 2026US 12,662,786 B2
- Method and apparatus for confining the spread of pollutants spilled into a moving fluid8 Oct 2026US 2026/0308859 A1
- Pollution cleanup using a submerged apparatus8 Oct 2026US 2026/0308860 A1
- Trash intercepting and sediment barrier device17 Sep 2026US 2026/0275669 A1China Three Gorges University
- Liquid contaminant absorption device and methods of use17 Sep 2026US 2026/0275670 A1Setatech USA, Inc.
- Water surface automatic cleaning apparatus10 Sep 2026US 2026/0266011 A1Shenzhen Aiper Intelligent Co., Ltd.
Most cited
By later US patents
- Hydrocarbon containment and control systems76US 4,111,813 A1978
- Article for absorbing oils74US 4,737,394 AE. I. Du Pont de Nemours and Company · 1988
- Absorbent pillow68US 4,497,712 AGeotech Development Corporation · 1985
- Floating skimmer for cleaning the surface of a body of liquid, method and apparatus62US 3,970,556 A1976
- Methods for ameliorating oil spills in marine and inland waters62US 5,863,440 AAbTech Industries, Inc. · 1999