B01F 25/31425
With a plurality of perforations in the axial and circumferential direction covering
Official title: {with a plurality of perforations in the axial and circumferential direction covering the whole surface}
B01F25/31425 (With a plurality of perforations in the axial and circumferential direction covering) appears on 68 US grants and 70 published applications in this corpus.
Search patents in B01F- Granted patents
- 68
- Published applications
- 70
- Assignees
- 68
- Inventors
- 234
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 4 | 1 |
| 2004 | 2 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 0 | 4 |
| 2008 | 1 | 4 |
| 2009 | 3 | 2 |
| 2010 | 0 | 2 |
| 2011 | 2 | 3 |
| 2012 | 2 | 2 |
| 2013 | 5 | 5 |
| 2014 | 1 | 4 |
| 2015 | 4 | 5 |
| 2016 | 4 | 5 |
| 2017 | 4 | 3 |
| 2018 | 6 | 4 |
| 2019 | 2 | 2 |
| 2020 | 1 | 2 |
| 2021 | 2 | 2 |
| 2022 | 0 | 1 |
| 2023 | 1 | 6 |
| 2024 | 2 | 1 |
| 2025 | 2 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nano-bubble generating apparatus and method25 Nov 2025US 12,478,927 B2Moleaer, Inc.
- Modular devices and systems for infusing gas into a liquid and methods of manufacture and use thereof5 Aug 2025US 12,377,389 B2BioTherm Hydronic, Inc.
- Systems and methods for mixing exhaust gases and reductant in an aftertreatment system14 May 2024US 11,982,219 B2Cummins Emission Solutions Inc.
- Device and method for generating droplets16 Jan 2024US 11,872,533 B2ETH Zurich
- Systems and methods for mixing exhaust gases and reductant in an aftertreatment system3 Jan 2023US 11,542,847 B2Cummins Emission Solutions Inc.
- Liquid droplet or air bubble generation device, and liquid droplet or air bubble generation method2 Jul 2026US 2026/0183726 A1FUJIFILM Corporation
- Improved process and device for making aqueous wellbore treating fluids15 May 2025US 2025/0154838 A1BASF SE
- Attachment design and methodology for direct carbonation of thixotropic cementitious composite fluids10 Apr 2025US 2025/0114969 A1Saudi Aramco Technologies Company
- Modular devices and systems for infusing gas into a liquid and methods of manufacture and use thereof4 Jan 2024US 2024/0001311 A1BioTherm Hydronic, Inc.
- Method and system for generating nano- and microbubbles21 Dec 2023US 2023/0405538 A1
Most cited
By later US patents
- Apparatus for chemical analysis with detachable analytical units202US 5,519,635 AHitachi, Ltd. · 1996
- Device for mixing two fluids having different temperatures127US 5,452,955 AVattenfall Utvecking AB · 1995
- Mixing apparatus61US 4,474,477 ABarrett, Haentjens & Co. · 1984
- Oxygen dissolver for pipelines or pipe outlets55US 5,935,490 ABOC Gases Australia Limited · 1999
- Microchemical nanofactories54US 7,507,380 B2State of Oregon acting by and through the State Board of Higher Education on behalf of Oregon State University · 2009