B03D 1/24
Pneumatic
Official title: Pneumatic {(mixing gases or vapours with liquids B01F23/20)}
B03D1/24 (Pneumatic) appears on 552 US grants and 365 published applications in this corpus.
Search patents in B03D- Granted patents
- 552
- Published applications
- 365
- Assignees
- 377
- Inventors
- 975
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 7 | 0 |
| 1980 | 18 | 0 |
| 1981 | 9 | 0 |
| 1982 | 7 | 0 |
| 1983 | 9 | 0 |
| 1984 | 14 | 0 |
| 1985 | 8 | 0 |
| 1986 | 11 | 0 |
| 1987 | 3 | 0 |
| 1988 | 14 | 0 |
| 1989 | 12 | 0 |
| 1990 | 12 | 0 |
| 1991 | 13 | 0 |
| 1992 | 14 | 0 |
| 1993 | 13 | 0 |
| 1994 | 10 | 0 |
| 1995 | 9 | 0 |
| 1996 | 16 | 0 |
| 1997 | 20 | 0 |
| 1998 | 17 | 0 |
| 1999 | 14 | 0 |
| 2000 | 21 | 0 |
| 2001 | 7 | 2 |
| 2002 | 6 | 4 |
| 2003 | 6 | 11 |
| 2004 | 4 | 15 |
| 2005 | 7 | 8 |
| 2006 | 3 | 5 |
| 2007 | 6 | 8 |
| 2008 | 2 | 17 |
| 2009 | 7 | 15 |
| 2010 | 6 | 21 |
| 2011 | 8 | 23 |
| 2012 | 14 | 20 |
| 2013 | 10 | 24 |
| 2014 | 18 | 18 |
| 2015 | 17 | 17 |
| 2016 | 15 | 23 |
| 2017 | 7 | 9 |
| 2018 | 16 | 13 |
| 2019 | 17 | 13 |
| 2020 | 15 | 17 |
| 2021 | 16 | 22 |
| 2022 | 10 | 12 |
| 2023 | 7 | 18 |
| 2024 | 18 | 12 |
| 2025 | 11 | 14 |
| 2026 | 9 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for separating valuable minerals from ore22 Sep 2026US 12,741,286 B2Kaakkois-Suomen Ammattikorkeakoulu Oy
- Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity8 Sep 2026US 12,729,140 B2Ecolab USA Inc.
- Coarse particle flotation equipment and method based on coupled fluidization of cyclone and damping4 Aug 2026US 12,697,627 B2Central South University
- Paint sludge separator tank using froth floatation14 Jul 2026US 12,678,715 B2Giffin, Inc.
- Method and system for flotation separation in a magnetically controllable and steerable medium5 May 2026US 12,618,010 B2Cidra Corporate Services Inc.
- Separation of fluids containing solids13 Aug 2026US 2026/0233236 A1World Water Works, Inc.
- Gasification device30 Apr 2026US 2026/0115678 A1
- Method, apparatus and system for removal of pfas from an aqueous source and production of concentrated pfas product15 Jan 2026US 2026/0015258 A1
- Enhanced foam removal of total suspended solids and multiply charged cations from aqueous or aqueous/oil mixed phase via increased viscoelasticity1 Jan 2026US 2026/0001783 A1Ecolab USA Inc.
- Fluid treatment system, separator and method using a magnetic field25 Dec 2025US 2025/0387732 A1RJ Enterprises, Inc.
Most cited
By later US patents
- Process and apparatus for separating fine particles by microbubble flotation together with a process and apparatus for generation of microbubbles82US 4,981,582 AVirginia Tech Intellectual Properties, Inc. · 1991
- 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
- System and method for minimizing the negative enviromental impact of the oilsands industry76US 8,424,601 B2Ex-Tar Technologies · 2013
- 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