B03D 1/04
By varying ambient atmospheric pressure
Official title: by varying ambient atmospheric pressure
B03D1/04 (By varying ambient atmospheric pressure) appears on 30 US grants and 12 published applications in this corpus.
Search patents in B03D- Granted patents
- 30
- Published applications
- 12
- Assignees
- 26
- Inventors
- 57
- Latest grant
- 17 Dec 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 6 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 3 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 2 |
| 2019 | 4 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for constructing a flotation apparatus, flotation apparatus, method and system for flotation and use17 Dec 2019US 10,507,472 B2Outotec (Finland) Oy
- Pressure controlled gas flotation28 May 2019US 10,301,190 B2Cameron Solutions, Inc.
- Gas recirculation in mineral flotation9 Apr 2019US 10,252,276 B2Outotec (Finland) Oy
- Dimensionally controlled ‘engineered polymer bubble’ for flotation separation2 Apr 2019US 10,245,597 B2Cidra Corporate Services Inc.
- Nanobubbles for enhanced interaction between solids and gas volumes18 Dec 2018US 10,155,229 B2International Business Machines Corporation
- Apparatus and method for reagentizing and aerating feed to flotation machines14 Nov 2024US 2024/0375122 A1FLSmidth A/S
- Method for constructing a flotation apparatus, flotation apparatus, method and system for flotation and use2 May 2019US 2019/0126292 A1Outotec (Finland) Oy
- Gas recirculation in mineral flotation13 Dec 2018US 2018/0353971 A1Outotec (Finland) Oy
- System and Method for Foam Fractionation18 Oct 2018US 2018/0296946 A1
- Pressure Controlled Gas Flotation21 Sep 2017US 2017/0267548 A1Cameron Solutions, Inc.
Most cited
By later US patents
- Centrifugal flotation separator72US 4,094,783 A1978
- Method for effecting gas-liquid contact41US 5,585,005 AApollo Environmental Systems Corp. · 1996
- Combined coarse and fine bubble separation system38US 5,275,732 AInternational Environmental Systems, Inc., USA · 1994
- Process for the removal of hydrogen sulfide from a gas stream25US 5,730,784 AApollo Environmental Systems Corp. · 1998
- Pressurized flotation module and method for pressurized foam separation24US 4,952,308 ABeloit Corporation · 1990