B01F 27/11
Characterised by the configuration of the stirrers
Official title: characterised by the configuration of the stirrers
B01F27/11 (Characterised by the configuration of the stirrers) appears on 2,719 US grants and 2,601 published applications in this corpus.
Search patents in B01F- Granted patents
- 2,719
- Published applications
- 2,601
- Assignees
- 1,704
- Inventors
- 5,860
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 28 | 0 |
| 1977 | 24 | 0 |
| 1978 | 28 | 0 |
| 1979 | 28 | 0 |
| 1980 | 35 | 0 |
| 1981 | 25 | 0 |
| 1982 | 28 | 0 |
| 1983 | 22 | 0 |
| 1984 | 27 | 0 |
| 1985 | 36 | 0 |
| 1986 | 21 | 0 |
| 1987 | 37 | 0 |
| 1988 | 29 | 0 |
| 1989 | 30 | 0 |
| 1990 | 36 | 0 |
| 1991 | 35 | 0 |
| 1992 | 36 | 0 |
| 1993 | 33 | 0 |
| 1994 | 36 | 0 |
| 1995 | 51 | 0 |
| 1996 | 46 | 0 |
| 1997 | 34 | 0 |
| 1998 | 32 | 0 |
| 1999 | 52 | 0 |
| 2000 | 59 | 0 |
| 2001 | 49 | 31 |
| 2002 | 49 | 52 |
| 2003 | 57 | 80 |
| 2004 | 46 | 84 |
| 2005 | 39 | 63 |
| 2006 | 45 | 64 |
| 2007 | 40 | 74 |
| 2008 | 40 | 76 |
| 2009 | 34 | 87 |
| 2010 | 49 | 77 |
| 2011 | 63 | 67 |
| 2012 | 61 | 95 |
| 2013 | 43 | 87 |
| 2014 | 60 | 95 |
| 2015 | 80 | 149 |
| 2016 | 84 | 117 |
| 2017 | 115 | 141 |
| 2018 | 105 | 148 |
| 2019 | 121 | 126 |
| 2020 | 132 | 136 |
| 2021 | 80 | 146 |
| 2022 | 112 | 121 |
| 2023 | 102 | 131 |
| 2024 | 95 | 141 |
| 2025 | 110 | 118 |
| 2026 | 60 | 95 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01F 27/112With arms, paddles, vanes or blades1,035
- B01F 27/114Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically616
- B01F 27/19Stirrers with two or more mixing elements mounted in sequence on the588
- B01F 27/113Propeller-shaped stirrers for producing an axial flow368
- B01F 27/115Comprising discs or disc-like elements essentially perpendicular to the stirrer shaft axis274
- B01F 27/13Openwork frame or cage stirrers not provided for in other groups of200
- B01F 27/111Centrifugal stirrers, i.e. stirrers with radial outlets137
- B01F 27/17Stirrers with additional elements mounted on the stirrer, for purposes other than69
All 13 subgroupsShow fewer
- B01F 27/116Stirrers shaped as cylinders, balls or rollers67
- B01F 27/15Stirrers with tubes for guiding the material65
- B01F 27/117Stirrers provided with conical-shaped elements56
- B01F 27/118Stirrers in the form of brushes, sieves, grids, chains or springs56
- B01F 27/119Stirrers with rigid wires or flexible rods31
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Most cited
By later US patents
- Integrated bone cement mixing and dispensing system1,201US 6,033,105 A2000
- Integrated ceramic micro-chemical plant201US 5,993,750 AEastman Kodak Company · 1999
- Method and apparatus for packaging, mixing and delivering bone cement161US 5,951,160 ABiomet, Inc. · 1999
- Mixing systems and related mixers136US 7,682,067 B2Baxter Healthcare S. A. · 2010
- Rotary blade-type apparatus for dissolving alloy elements and dispersing gas in an aluminum bath133US 4,802,656 AAluminium Pechiney · 1989