B01F 23/23311
Through a hollow stirrer axis
Official title: {through a hollow stirrer axis}
B01F23/23311 (Through a hollow stirrer axis) appears on 176 US grants and 78 published applications in this corpus.
Search patents in B01F- Granted patents
- 176
- Published applications
- 78
- Assignees
- 105
- Inventors
- 313
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 9 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 1 |
| 2002 | 4 | 2 |
| 2003 | 6 | 2 |
| 2004 | 4 | 3 |
| 2005 | 1 | 5 |
| 2006 | 2 | 1 |
| 2007 | 1 | 6 |
| 2008 | 3 | 2 |
| 2009 | 1 | 5 |
| 2010 | 5 | 3 |
| 2011 | 3 | 2 |
| 2012 | 4 | 6 |
| 2013 | 1 | 2 |
| 2014 | 4 | 5 |
| 2015 | 3 | 2 |
| 2016 | 4 | 3 |
| 2017 | 3 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 5 |
| 2020 | 1 | 4 |
| 2021 | 2 | 4 |
| 2022 | 5 | 3 |
| 2023 | 5 | 2 |
| 2024 | 3 | 5 |
| 2025 | 1 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Integral gas-introduction and stirring unit for gas-liquid reactors3 Jun 2025US 12,319,900 B2Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen
- Device for the gasification, pumping and mixing of fluids12 Nov 2024US 12,138,604 B2
- Carbonation cup for carbonated beverage maker30 Jul 2024US 12,048,905 B2PepsiCo, Inc.
- Carbonation machine and method for carbonating various liquids1 Jan 2026US 2026/0001047 A1Sodastream Industries Ltd.
- Stirring assembly and milk frother20 Nov 2025US 2025/0352960 A1Shenzhen Chuangpu Network Technology Co., Ltd.
- Gas/liquid mixer via dilution and division11 Sep 2025US 2025/0281888 A1Air Liquide France Industrie
- Rotary device for treating molten metal28 Nov 2024US 2024/0390972 A1
- Carbonation machine and method for carbonating various liquids7 Nov 2024US 2024/0367117 A1Sodastream Industries Ltd.
Most cited
By later US patents
- Device for releasing and diffusing bubbles into liquid140US 4,611,790 AShowa Aluminum Corporation · 1986
- Rotary blade-type apparatus for dissolving alloy elements and dispersing gas in an aluminum bath133US 4,802,656 AAluminium Pechiney · 1989
- Rotary device for treating molten metal131US 4,634,105 AFoseco International Limited · 1987
- Dispersing gas into molten metal131US 4,954,167 A1990
- Gas dispersion stirrer with flow-inducing blades127US 5,318,360 AStelzer Ruhrtechnik GmbH · 1994