B01F 27/1131
With holes in the propeller blade surface
Official title: with holes in the propeller blade surface
B01F27/1131 (With holes in the propeller blade surface) appears on 15 US grants and 18 published applications in this corpus.
Search patents in B01F- Granted patents
- 15
- Published applications
- 18
- Assignees
- 15
- Inventors
- 61
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 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 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 3 |
| 2019 | 1 | 0 |
| 2020 | 1 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Oligomeriser with an improved feed system2 Jun 2026US 12,643,080 B2Sabic Global Technologies B.V.
- Nanobubble generation system using friction23 Jul 2024US 12,042,771 B2Fawoo Nanotech Co., Ltd.
- Oligomeriser with an improved feed system20 Dec 2022US 11,529,602 B2Sabic Global Technologies B.V.
- Stirring system and method of use21 Dec 2021US 11,202,999 B1
- Mixing unit and device, and fluid mixing method17 Mar 2020US 10,589,236 B2Isel Co., Ltd.
- Laundry machine12 Mar 2026US 2026/0071372 A1LG Electronics Inc.
- Low shear toroidal impeller18 Dec 2025US 2025/0381537 A1Donaldson Company, Inc.
- Impeller assembly for a bioprocessing system6 Nov 2025US 2025/0340813 A1Global Life Sciences Solutions USA LLC
- Mixing Impeller And Pulping Device3 Oct 2024US 2024/0325996 A1Shangshui Smartech Ltd.
- Oligomeriser with an improved feed system20 Apr 2023US 2023/0123390 A1Sabic Global Technologies B.V.
Most cited
By later US patents
- Temperature stabilized RF detector51US 4,866,396 ANEC Corporation · 1989
- Fluid mixing device40US 5,090,816 A1992
- Propeller for distributing a gaseous, powdered or liquid material in a liquid26US 4,371,480 ANoordvos Schroeven B.V. · 1983
- Stirring system and method of use20US 11,202,999 B12021
- Apparatus for introducing gas into a liquid18US 4,193,950 ALinde Aktiengesellschaft · 1980