B03D 1/1493
With means for establishing a specified flow pattern
Official title: {with means for establishing a specified flow pattern}
B03D1/1493 (With means for establishing a specified flow pattern) appears on 271 US grants and 108 published applications in this corpus.
Search patents in B03D- Granted patents
- 271
- Published applications
- 108
- Assignees
- 199
- Inventors
- 491
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 8 | 0 |
| 1982 | 5 | 0 |
| 1983 | 8 | 0 |
| 1984 | 7 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 8 | 0 |
| 1991 | 9 | 0 |
| 1992 | 14 | 0 |
| 1993 | 5 | 0 |
| 1994 | 10 | 0 |
| 1995 | 9 | 0 |
| 1996 | 13 | 0 |
| 1997 | 8 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 10 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 4 |
| 2004 | 7 | 8 |
| 2005 | 1 | 4 |
| 2006 | 3 | 4 |
| 2007 | 3 | 5 |
| 2008 | 2 | 5 |
| 2009 | 2 | 4 |
| 2010 | 3 | 9 |
| 2011 | 5 | 8 |
| 2012 | 8 | 4 |
| 2013 | 6 | 11 |
| 2014 | 10 | 6 |
| 2015 | 8 | 4 |
| 2016 | 8 | 2 |
| 2017 | 1 | 1 |
| 2018 | 4 | 2 |
| 2019 | 2 | 1 |
| 2020 | 0 | 3 |
| 2021 | 3 | 5 |
| 2022 | 4 | 3 |
| 2023 | 2 | 3 |
| 2024 | 3 | 2 |
| 2025 | 0 | 7 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotor of gas dispersion arrangement4 Aug 2026US 12,697,626 B2Metso Finland Oy
- Reactor sparger assembly10 Mar 2026US 12,569,819 B2Solugen, Inc.
- Modular installation for treating water by flotation24 Dec 2024US 12,172,907 B2Veolia Water Solutions & Technologies Support
- Recovering valuable material from an ore29 Oct 2024US 12,128,425 B2Newcrest Mining Limited
- Algae separation system8 Oct 2024US 12,110,237 B2
- Inflatable froth crowder apparatus for flotation machines27 Aug 2026US 2026/0249306 A1FLSmidth A/S
- Method and apparatus for treating water containing per- and polyfluoroalkyl substances (pfas)12 Jun 2025US 2025/0187943 A1Ultraaqua A/S
- Algae separation system12 Jun 2025US 2025/0187944 A1Aecom
- Devices for vortex flotation mineralization based on confined space and methods for mineralization29 May 2025US 2025/0170586 A1China University of Mining and Technology
- Vertical Compact Flotation Unit with Air Stripping Enhanced Shallow Sedimentation Effect of Spiral Fins20 Feb 2025US 2025/0059069 A1Beijing Institute of Petrochemical Technology
Most cited
By later US patents
- Air sparged hydrocyclone flotation apparatus and methods for separating particles from a particulate suspension80US 4,838,434 AUniversity of Utah · 1989
- Flotation apparatus and method77US 4,744,890 AUniversity of Utah · 1988
- Apparatus and method for separating particles from a fluid suspension74US 4,397,741 AUniversity of Utah · 1983
- 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
- Method of and means for hydrodynamic mixing67US 4,861,165 ABeloit Corporation · 1989