B01F 27/2122
Hollow shafts
B01F27/2122 (Hollow shafts) appears on 110 US grants and 137 published applications in this corpus.
Search patents in B01F- Granted patents
- 110
- Published applications
- 137
- Assignees
- 100
- Inventors
- 277
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 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 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 1 |
| 2003 | 6 | 1 |
| 2004 | 2 | 3 |
| 2005 | 1 | 4 |
| 2006 | 0 | 1 |
| 2007 | 2 | 2 |
| 2008 | 3 | 3 |
| 2009 | 1 | 1 |
| 2010 | 2 | 4 |
| 2011 | 0 | 4 |
| 2012 | 1 | 4 |
| 2013 | 2 | 8 |
| 2014 | 6 | 6 |
| 2015 | 6 | 9 |
| 2016 | 10 | 8 |
| 2017 | 5 | 8 |
| 2018 | 6 | 12 |
| 2019 | 10 | 9 |
| 2020 | 5 | 7 |
| 2021 | 9 | 8 |
| 2022 | 2 | 3 |
| 2023 | 1 | 11 |
| 2024 | 3 | 7 |
| 2025 | 5 | 7 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Self-aspirating and gas-liquid dispersing impellers11 Feb 2025US 12,221,973 B2Jiangnan University
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- Optimization method and device based on integration of flocculation, vacuum and solidified sludge11 Jun 2026US 2026/0159420 A1Huzhou Vocational & Technical College
- Mixing device and method for secondary battery4 Jun 2026US 2026/0151747 A1Samsung SDI.Co., Ltd.
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Most cited
By later US patents
- Method and apparatus for packaging, mixing and delivering bone cement161US 5,951,160 ABiomet, Inc. · 1999
- Method for fluxing molten metal111US 5,616,167 A1997
- Soft-frozen confection blending and dispensing freezer50US 7,665,398 B2Flavor Burst Co., L.L.P. · 2010
- Apparatus and method for mixing dissimilar fluids36US 7,316,501 B22008
- Apparatus for mixing particles into a liquid medium30US 6,491,423 B1MC21 Incorporated · 2002