B01D 17/0205
By gas bubbles or moving solids
Official title: {by gas bubbles or moving solids}
B01D17/0205 (By gas bubbles or moving solids) appears on 378 US grants and 229 published applications in this corpus.
Search patents in B01D- Granted patents
- 378
- Published applications
- 229
- Assignees
- 248
- Inventors
- 674
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 12 | 0 |
| 1989 | 10 | 0 |
| 1990 | 4 | 0 |
| 1991 | 9 | 0 |
| 1992 | 14 | 0 |
| 1993 | 10 | 0 |
| 1994 | 10 | 0 |
| 1995 | 6 | 0 |
| 1996 | 12 | 0 |
| 1997 | 9 | 0 |
| 1998 | 8 | 0 |
| 1999 | 18 | 0 |
| 2000 | 12 | 0 |
| 2001 | 8 | 1 |
| 2002 | 8 | 6 |
| 2003 | 7 | 8 |
| 2004 | 3 | 4 |
| 2005 | 2 | 7 |
| 2006 | 3 | 3 |
| 2007 | 5 | 5 |
| 2008 | 6 | 1 |
| 2009 | 3 | 8 |
| 2010 | 1 | 8 |
| 2011 | 2 | 9 |
| 2012 | 10 | 9 |
| 2013 | 5 | 8 |
| 2014 | 5 | 4 |
| 2015 | 5 | 9 |
| 2016 | 9 | 12 |
| 2017 | 8 | 11 |
| 2018 | 16 | 13 |
| 2019 | 17 | 13 |
| 2020 | 13 | 22 |
| 2021 | 14 | 15 |
| 2022 | 13 | 17 |
| 2023 | 13 | 13 |
| 2024 | 7 | 4 |
| 2025 | 14 | 14 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bubble size monitoring and control24 Feb 2026US 12,559,389 B2Schlumberger Technology Corporation
- FOG (fats, oil, or grease) separator apparatus10 Feb 2026US 12,544,691 B2ECO CLARITY Ltd.
- Single cell protein process and product2 Dec 2025US 12,484,599 B2ICM, Inc.
- Co-current and countercurrent contactor for immiscible fluids4 Nov 2025US 12,458,940 B2Streamline Innovations Inc
- Fluid treatment system, separator and method using a magnetic field30 Sep 2025US 12,427,440 B2RJ Enterprises, Inc.
- Produced water treatment23 Jul 2026US 2026/0209094 A1Saudi Arabian Oil Company
- In-situ ultrafine bubble circulation system11 Jun 2026US 2026/0158533 A1Yuh Shan Environmental Engineering Co., Ltd.
- Fluid separation system and method16 Apr 2026US 2026/0102717 A1LignoSol IP Limited
- Fractionated stillage processing5 Mar 2026US 2026/0060280 A1ICM, Inc.
- Separation method and separation apparatus for co2-containing phase change solution19 Feb 2026US 2026/0048359 A1China Petroleum & Chemical Corporation
Most cited
By later US patents
- Induced gas liquid coalescer and flotation separator89US 5,080,802 A1992
- In-situ vapor stripping for removing volatile organic compounds from groundwater73US 5,389,267 AThe Board of Trustees of the Leland Stanford Junior University · 1995
- Centrifugal flotation separator72US 4,094,783 A1978
- Treatment of primary tailings and middlings from the hot water extraction process for recovering bitumen from tar sand68US 4,545,892 AAlberta Energy Company Ltd. · 1985
- Separation process for treatment of oily sludge64US 4,851,123 ATetra Resources, Inc. · 1989