B03D 1/22
With external blowers
Official title: with external blowers
B03D1/22 (With external blowers) appears on 50 US grants and 35 published applications in this corpus.
Search patents in B03D- Granted patents
- 50
- Published applications
- 35
- Assignees
- 39
- Inventors
- 111
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 6 |
| 2007 | 1 | 0 |
| 2008 | 2 | 2 |
| 2009 | 2 | 2 |
| 2010 | 2 | 3 |
| 2011 | 2 | 0 |
| 2012 | 2 | 2 |
| 2013 | 2 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 3 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 2 | 2 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for flotation separation in a magnetically controllable and steerable medium5 May 2026US 12,618,010 B2Cidra Corporate Services Inc.
- System for establishing a digital interconnection between vessels for collection of micro-plastics in a secured way30 Sep 2025US 12,428,315 B2
- Device for generating gas bubbles in suspensions for the enrichment of mineral and non-mineral raw materials and use of such a device8 Nov 2022US 11,491,449 B2TAKRAF GmbH
- Method for converting a naturally-aspirated flotation cell to a forced-gas flotation cell, and apparatus thereof30 Nov 2021US 11,185,872 B2FLSmidth A/S
- Flotation separation device26 Jan 2021US 10,898,904 B2Eriez Manufacturing Co.
- The control of continuous water treatment14 Aug 2025US 2025/0256998 A1The Water & Carbon Group Pty, Ltd.
- Devices for vortex flotation mineralization based on confined space and methods for mineralization29 May 2025US 2025/0170586 A1China University of Mining and Technology
- System for establishing a digital interconnection between vessels for collection of micro-plastics in a secured way29 Aug 2024US 2024/0286925 A1
- Method and system for flotation separation in a magnetically controllable and steerable medium9 Feb 2023US 2023/0041631 A1Cidra Corporate Services Inc.
- Device for generating gas bubbles in suspensions for the enrichment of mineral and non-mineral raw materials and use of such a device8 Jul 2021US 2021/0205769 A1TAKRAF GmbH
Most cited
By later US patents
- Flotation apparatus35US 4,750,994 AHydrochem Developments Ltd. · 1988
- Flotation machine28US 5,039,400 AOutokumpu Oy · 1991
- Fluid diffuser for gases and liquids25US 4,521,349 AA. R. Wilfley & Sons, Inc. · 1985
- Apparatus and method for improved high-efficiency dissolved air flotation fluid processing24US 5,693,222 ABaker Hughes Incorporated · 1997
- Flotation machines and components thereof23US 4,265,739 A1981