B01F 27/941
Being hollow, perforated or having special stirring elements thereon
Official title: {being hollow, perforated or having special stirring elements thereon}
B01F27/941 (Being hollow, perforated or having special stirring elements thereon) appears on 36 US grants and 38 published applications in this corpus.
Search patents in B01F- Granted patents
- 36
- Published applications
- 38
- Assignees
- 38
- Inventors
- 87
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 3 |
| 2013 | 1 | 2 |
| 2014 | 2 | 3 |
| 2015 | 3 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 7 |
| 2023 | 3 | 2 |
| 2024 | 1 | 3 |
| 2025 | 4 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Bubble formation device and bubble formation method21 Oct 2025US 12,447,446 B2Kagoshima University
- Method for producing polymerization-reactive liquid formulation19 Aug 2025US 12,391,793 B2Rimtec Corporation
- Mixing and dispersing apparatus15 Jul 2025US 12,357,954 B2Contemporary Amperex Technology (Hong Kong) Limited
- Reactor arrangement comprising a means for rotating and/or oscillating a transformation device and a method of using such reactor arrangement15 Apr 2025US 12,274,991 B2Spinchem AB
- Device for the gasification, pumping and mixing of fluids12 Nov 2024US 12,138,604 B2
- Stirring device25 Sep 2025US 2025/0296057 A1Primix Corporation
- Liquid sprinkling device and liquid sprinkling apparatus using same7 Nov 2024US 2024/0367121 A1Bio-Energy Corporation
- Crystallization device, crystallization system, and crystallization method23 May 2024US 2024/0165538 A1Tsukishima Kikai Co., Ltd.
- Mixing and dispersing apparatus1 Feb 2024US 2024/0033697 A1Contemporary Amperex Technology Co., Limited
- Mixing and dispersing apparatus14 Dec 2023US 2023/0398506 A1Contemporary Amperex Technology Co., Limited
Most cited
By later US patents
- Method for agitating metals and producing alloys140US 4,743,428 ACominco Ltd. · 1988
- Devices for cavitational mixing and pumping and methods of using same61US 6,857,774 B2Five Star Technologies, Inc. · 2005
- Apparatus for sparging gas into liquid46US 4,066,722 AUnion Carbide Corporation · 1978
- Mixing apparatus with frusto-conically shaped impeller for mixing a liquid and a particulate solid37US 5,261,745 A1993
- Kitchen device31US 4,664,530 ASanyo Electric Co., Ltd. · 1987