E02B 15/103
Rotary drums
Official title: {Rotary drums}
E02B15/103 (Rotary drums) appears on 50 US grants and 30 published applications in this corpus.
Search patents in E02B- Granted patents
- 50
- Published applications
- 30
- Assignees
- 37
- Inventors
- 103
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 4 | 2 |
| 2015 | 1 | 3 |
| 2016 | 2 | 3 |
| 2017 | 3 | 3 |
| 2018 | 2 | 2 |
| 2019 | 0 | 2 |
| 2020 | 1 | 0 |
| 2021 | 2 | 2 |
| 2022 | 2 | 3 |
| 2023 | 1 | 1 |
| 2024 | 2 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Portable oil skimmer31 Mar 2026US 12,590,431 B2Koai Co., Ltd.
- Algae collection device using escalator-type lift3 Dec 2024US 12,157,980 B2Seoul National University R&DBFoundation
- Unpowered-filtering sewage cleaning device6 Aug 2024US 12,054,901 B1Farmland Irrigation Research Institute, CAAS
- Toothed drum type oil recovery device11 Apr 2023US 11,624,166 B2Korea Institute of Science and Technology
- Automated system for cleaning and recovering spilled oil in the ocean using hair felt rollers2 Aug 2022US 11,401,673 B2
- Unpowered-filtering sewage cleaning device8 Aug 2024US 2024/0263415 A1Farmland Irrigation Research Institute, CAAS
- Portable oil skimmer4 Jul 2024US 2024/0218624 A1Koai Co., Ltd.
- Device for recovering spilled oil5 Oct 2023US 2023/0313479 A1Koai Co., Ltd.
- Toothed drum type oil recovery device11 Aug 2022US 2022/0251793 A1Korea Institute of Science and Technology
- Algae collection device using escalator-type lift7 Jul 2022US 2022/0213660 A1Seoul National University R&Db Foundation
Most cited
By later US patents
- Skimmer apparatus for recovering bitumen28US 4,456,536 AAlberta Energy Company Ltd. · 1984
- Device for the selective and continuous recovery of hydrocarbons present in the form of a sheet at the surface of an aqueous medium22US 4,681,680 AElf France · 1987
- Apparatus to collect oil and other waste material from the surface of water18US 5,043,064 AEvcon International, Ltd. · 1991
- Apparatus for the recovery of oils or other similar pollutants floating on bodies of water, including the open seas17US 4,514,299 A1985
- Fluid separation device for low temperature environments16US 4,039,454 ALockheed Aircraft Corporation · 1977