B03D 1/1412
With baffles
Official title: {with baffles, e.g. at the wall for redirecting settling solids}
B03D1/1412 (With baffles) appears on 335 US grants and 161 published applications in this corpus.
Search patents in B03D- Granted patents
- 335
- Published applications
- 161
- Assignees
- 205
- Inventors
- 524
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 8 | 0 |
| 1979 | 6 | 0 |
| 1980 | 10 | 0 |
| 1981 | 7 | 0 |
| 1982 | 7 | 0 |
| 1983 | 7 | 0 |
| 1984 | 9 | 0 |
| 1985 | 7 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 11 | 0 |
| 1993 | 6 | 0 |
| 1994 | 12 | 0 |
| 1995 | 8 | 0 |
| 1996 | 14 | 0 |
| 1997 | 14 | 0 |
| 1998 | 13 | 0 |
| 1999 | 8 | 0 |
| 2000 | 15 | 0 |
| 2001 | 3 | 2 |
| 2002 | 1 | 1 |
| 2003 | 4 | 8 |
| 2004 | 8 | 13 |
| 2005 | 7 | 9 |
| 2006 | 5 | 6 |
| 2007 | 4 | 9 |
| 2008 | 6 | 8 |
| 2009 | 5 | 14 |
| 2010 | 6 | 16 |
| 2011 | 11 | 9 |
| 2012 | 14 | 12 |
| 2013 | 11 | 13 |
| 2014 | 4 | 4 |
| 2015 | 7 | 8 |
| 2016 | 6 | 7 |
| 2017 | 3 | 3 |
| 2018 | 8 | 2 |
| 2019 | 4 | 0 |
| 2020 | 0 | 5 |
| 2021 | 3 | 3 |
| 2022 | 3 | 2 |
| 2023 | 1 | 3 |
| 2024 | 3 | 0 |
| 2025 | 1 | 4 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water treatment apparatus26 May 2026US 12,637,366 B1
- Pre-flotation high efficiency slurry conditioning device for wide-particle-grade flotation13 Jan 2026US 12,521,732 B2China University of Mining and Technology
- Froth flotation cell17 Jun 2025US 12,330,170 B2Outotec (Finland) Oy
- Modular installation for treating water by flotation24 Dec 2024US 12,172,907 B2Veolia Water Solutions & Technologies Support
- Separation method of fat and lean using acidic fluid with nanobubbles2 Jan 2024US 11,856,960 B2
- Method and apparatus for treating water containing per- and polyfluoroalkyl substances (pfas)12 Jun 2025US 2025/0187943 A1Ultraaqua A/S
- Flotation unit and flotation method24 Apr 2025US 2025/0128272 A1Metso Finland Oy
- Vertical Compact Flotation Unit with Air Stripping Enhanced Shallow Sedimentation Effect of Spiral Fins20 Feb 2025US 2025/0059069 A1Beijing Institute of Petrochemical Technology
- Reaction and separation apparatus13 Feb 2025US 2025/0050243 A1Bioly Limited
- Flotation cell vortex stabilizer14 Dec 2023US 2023/0398555 A1FLSmidth A/S
Most cited
By later US patents
- Centrifugal flotation separator72US 4,094,783 A1978
- Method of and means for hydrodynamic mixing67US 4,861,165 ABeloit Corporation · 1989
- Apparatus for dissolved air floatation and similar gas-liquid contacting operations64US 5,382,358 A1995
- Air-sparged hydrocyclone separator58US 4,997,549 AAdvanced Processing Technologies, Inc. · 1991
- Oil concentrator57US 4,422,931 A1983