B01F 23/23314
Through a hollow stirrer element
Official title: {through a hollow stirrer element}
B01F23/23314 (Through a hollow stirrer element) appears on 116 US grants and 47 published applications in this corpus.
Search patents in B01F- Granted patents
- 116
- Published applications
- 47
- Assignees
- 74
- Inventors
- 226
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 0 |
| 2002 | 2 | 0 |
| 2003 | 3 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 4 |
| 2008 | 3 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 2 |
| 2011 | 2 | 0 |
| 2012 | 2 | 2 |
| 2013 | 1 | 0 |
| 2014 | 2 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 4 |
| 2020 | 0 | 5 |
| 2021 | 2 | 4 |
| 2022 | 5 | 5 |
| 2023 | 5 | 2 |
| 2024 | 4 | 2 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wastewater purification apparatus and process for purifying wastewater28 Apr 2026US 12,612,320 B2Invent Umwelt-Und Verfahrenstechnik AG
- 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
- High-gravity device for generating nano/micron bubbles and reaction system6 Aug 2024US 12,053,746 B2Beijing University of Chemical Technology
- Carbonation cup for carbonated beverage maker30 Jul 2024US 12,048,905 B2PepsiCo, Inc.
- Iced beverage blending cup devices, systems, and methods25 Jun 2026US 2026/0174286 A1
- Devices for multi-stage straw mixing and dispensing in beverage production and associated methods25 Dec 2025US 2025/0387766 A1
- Stirring assembly and milk frother20 Nov 2025US 2025/0352960 A1Shenzhen Chuangpu Network Technology Co., Ltd.
- Carbonated beverage makers, methods, and systems24 Oct 2024US 2024/0350987 A1PepsiCo, Inc.
- Aeration equipment for wastewater treatment29 Feb 2024US 2024/0066475 A1
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
- Gas dispersion stirrer with flow-inducing blades127US 5,318,360 AStelzer Ruhrtechnik GmbH · 1994
- Method for fluxing molten metal111US 5,616,167 A1997