B01F 27/1921
Comprising helical elements and paddles
Official title: {comprising helical elements and paddles}
B01F27/1921 (Comprising helical elements and paddles) appears on 83 US grants and 86 published applications in this corpus.
Search patents in B01F- Granted patents
- 83
- Published applications
- 86
- Assignees
- 73
- Inventors
- 224
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 3 |
| 2008 | 1 | 4 |
| 2009 | 1 | 2 |
| 2010 | 2 | 3 |
| 2011 | 2 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 0 | 2 |
| 2015 | 0 | 3 |
| 2016 | 3 | 5 |
| 2017 | 1 | 6 |
| 2018 | 3 | 8 |
| 2019 | 5 | 4 |
| 2020 | 7 | 18 |
| 2021 | 4 | 3 |
| 2022 | 13 | 4 |
| 2023 | 7 | 7 |
| 2024 | 3 | 1 |
| 2025 | 5 | 3 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Mixing and agitating device100US 4,225,247 A1980
- Solid/liquid mixing system61US 6,536,939 B1Becker Underwood, Inc. · 2003
- Gas-liquid mixing process and apparatus59US 4,919,849 AUnion Carbide Industrial Gases Technology Corporation · 1990
- Closed loop system and method of processing cuttings56US 5,454,957 A1995
- Machine for making crushed ice drinks45US 5,603,229 ACarpigiani Group - Ali S.P.A. · 1997