B01F 27/117
Stirrers provided with conical-shaped elements
Official title: Stirrers provided with conical-shaped elements, e.g. funnel-shaped
B01F27/117 (Stirrers provided with conical-shaped elements) appears on 56 US grants and 65 published applications in this corpus.
Search patents in B01F- Granted patents
- 56
- Published applications
- 65
- Assignees
- 41
- Inventors
- 114
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 2 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 3 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 5 | 6 |
| 2011 | 0 | 2 |
| 2012 | 1 | 3 |
| 2013 | 3 | 2 |
| 2014 | 4 | 3 |
| 2015 | 3 | 3 |
| 2016 | 2 | 4 |
| 2017 | 3 | 6 |
| 2018 | 3 | 4 |
| 2019 | 5 | 2 |
| 2020 | 3 | 2 |
| 2021 | 0 | 3 |
| 2022 | 3 | 7 |
| 2023 | 3 | 2 |
| 2024 | 2 | 2 |
| 2025 | 3 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Wastewater purification apparatus and process for purifying wastewater28 Apr 2026US 12,612,320 B2Invent Umwelt-Und Verfahrenstechnik AG
- Metering system21 Apr 2026US 12,605,684 B2RAMPF Production Systems GmbH & Co. KG
- Impeller assembly and solid-liquid mixing device using same16 Sep 2025US 12,415,166 B2Shangshui Smartech Ltd.
- Coned auger2 Sep 2025US 12,403,431 B2
- Impeller assembly for dispersing solid in liquid utilizing curved baffle plate and solid-liquid mixing device using impeller assembly27 May 2025US 12,311,325 B2Shangshui Smartech Ltd.
- Foam breaker device and methods of use27 Aug 2026US 2026/0250618 A1Life Technologies Corporation
- Impeller assembly and solid-liquid mixing device using same22 May 2025US 2025/0161894 A1Shangshui Smartech Ltd.
- Mixing Impeller And Pulping Device3 Oct 2024US 2024/0325996 A1Shangshui Smartech Ltd.
- Stirring mechanism for extracting lithium from waste liquid of lithium iron phosphate battery3 Oct 2024US 2024/0327950 A1Guangdong Brunp Recycling Technology Co., Ltd.
- Coned auger17 Aug 2023US 2023/0256402 A1Jay-Lor International Inc.
Most cited
By later US patents
- Apparatus for sparging gas into liquid46US 4,066,722 AUnion Carbide Corporation · 1978
- Gas diffusion system25US 4,938,899 A1990
- Mixing blade for drink preparation24US 6,736,538 B2Dunkin' Donuts Incorporated · 2004
- Agitating device and method for sewage treatment12US 7,784,769 B2Invent Umwelt-Und Verfahrenstechnik AG · 2010
- Installation for injecting oxygen into liquid media10US 4,704,204 A1987