B01F 23/233642
At the stirrer elements
Official title: {at the stirrer elements}
B01F23/233642 (At the stirrer elements) appears on 15 US grants and 8 published applications in this corpus.
Search patents in B01F- Granted patents
- 15
- Published applications
- 8
- Assignees
- 15
- Inventors
- 32
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Integral gas-introduction and stirring unit for gas-liquid reactors3 Jun 2025US 12,319,900 B2Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen
- Device and method for generating gas bubbles in a liquid5 Dec 2023US 11,833,483 B2Steffen Hartmann Recyclingtechnologien GmbH
- Aeration cone for hydraulic turbine16 May 2023US 11,648,517 B2Andritz Hydro Canada Inc.
- Aspirator15 Nov 2011US 8,056,886 B2Jet, Inc.
- Use of pure oxygen in viscous fermentation processes18 May 2010US 7,718,405 B2American Air Liquide, Inc.
- Stirring assembly and milk frother20 Nov 2025US 2025/0352960 A1Shenzhen Chuangpu Network Technology Co., Ltd.
- Integral gas-introduction and stirring unit for gas-liquid reactors23 Mar 2023US 2023/0087461 A1Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen
- Aeration cone for hydraulic turbine8 Dec 2022US 2022/0387943 A1Andritz Hydro Canada Inc.
- Device and Method for Generating Gas Bubbles in a Liquid22 Apr 2021US 2021/0113976 A1akvola Technologies GmbH
- Flotation cell and system for separating hydrophobic particles from a mixture of particles and liquid1 Dec 2016US 2016/0346791 A1Metso Sweden AB
Most cited
By later US patents
- Microbial remediation reactor and process51US 5,779,996 AInnovative BioSystems, Inc. · 1998
- Rotary surface aerator with adjustable liquid transporting units47US 4,465,645 A1984
- Slurry reactor47US 5,616,304 AInnovative BioSystems, Inc. · 1997
- Slurry reactor37US 5,744,105 AInnovative BioSystems, Inc. · 1998
- Turbomixer with rotating injector for mixing liquid36US 5,176,447 AEnergiagazdalkodasi Intenzet · 1993