B03D 1/18
Without air supply
Official title: without air supply
B03D1/18 (Without air supply) appears on 29 US grants and 23 published applications in this corpus.
Search patents in B03D- Granted patents
- 29
- Published applications
- 23
- Assignees
- 27
- Inventors
- 81
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 2 |
| 2024 | 0 | 2 |
| 2025 | 0 | 0 |
| 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.
- Froth collection launder10 Nov 2020US 10,828,647 B2Outotec (Finland) Oy
- Method and apparatus for treating a feed stream for a flotation device25 Feb 2020US 10,569,196 B2Outotec (Finland) Oy
- Method and system for flotation separation in a magnetically controllable and steerable medium3 Apr 2018US 9,932,525 B2Cidra Corporate Services Inc.
- Solid-liquid separator8 Jan 2013US 8,349,177 B2Kabushiki Kaisha Toshiba
- Method and system for ore processing with application of ultrasound to the flotation froth18 Jul 2024US 2024/0238805 A1Universidade de Sao Paulo-USP
- Method And Apparatus For Separation Of A Substance From Water11 Apr 2024US 2024/0116777 A1
- Flotation cell vortex stabilizer14 Dec 2023US 2023/0398555 A1FLSmidth A/S
- Method and system for flotation separation in a magnetically controllable and steerable medium9 Feb 2023US 2023/0041631 A1Cidra Corporate Services Inc.
- Flotation cell18 Aug 2022US 2022/0258178 A1Metso Outotec Finland Oy
Most cited
By later US patents
- Method and apparatus for mineral matter separation32US 4,964,576 A1990
- Reconditioning soils contaminated by crude oils or other refined petroleum products26US 4,424,081 A1984
- System for processing soils contaminated by crude oils or other refined petroleum products23US 4,336,136 A1982
- Air flotation clarifier23US 4,681,682 AAlar Engineering Corporation · 1987
- Filtration apparatus and method19US 5,919,376 ACAE Ransohoff Inc. · 1999