B01F 27/1171
Having holes in the surface
Official title: {having holes in the surface}
B01F27/1171 (Having holes in the surface) appears on 15 US grants and 15 published applications in this corpus.
Search patents in B01F- Granted patents
- 15
- Published applications
- 15
- Assignees
- 14
- Inventors
- 32
- Latest grant
- 21 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 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 2 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 2 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 4 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Metering system21 Apr 2026US 12,605,684 B2RAMPF Production Systems GmbH & Co. KG
- Submersible agitator device for circulating drinking water17 Oct 2023US 11,786,873 B2Invent Umwelt-Und Verfahrenstechnik AG
- Separation device and method of operation17 Oct 2023US 11,786,936 B2A O Ideas GmbH
- Cooling water stirrer and water purifier having the same29 Nov 2022US 11,511,218 B2LG Electronics Inc.
- Convertible mixer assembly with a stand6 Aug 2019US 10,369,534 B2
- Mixing Impeller And Pulping Device3 Oct 2024US 2024/0325996 A1Shangshui Smartech Ltd.
- Mixing biological components without frothing3 Nov 2022US 2022/0347637 A1Roche Molecular Systems, Inc.
- Metering system15 Sep 2022US 2022/0288548 A1Rampf Holding GmbH & Co. KG
- Separation device and method of operation18 Aug 2022US 2022/0258207 A1A O Ideas GmbH
- Mixing device24 Feb 2022US 2022/0054993 A1GenMark Diagnostics, Inc.
Most cited
By later US patents
- Apparatus for sparging gas into liquid46US 4,066,722 AUnion Carbide Corporation · 1978
- 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
- Device for circulating a liquid received in a container having a stirring body with an aperture provided on the stirring body3US 10,058,832 B2Invent Umwelt-Und Verfahrenstechnik AG · 2018
- Agitating member and agitating device having a plurality of segments for creating a current in a wastewater treatment basin3US 10,130,921 B2Invent Umwelt-Und Verfahrenstechnik AG · 2018