B01F 27/00
Mixers with rotary stirring devices in fixed receptacles
Official title: Mixers with rotary stirring devices in fixed receptacles (magnetic mixers B01F33/45); Kneaders
B01F27/00 (Mixers with rotary stirring devices in fixed receptacles) appears on 6,126 US grants and 5,590 published applications in this corpus.
Search patents in B01F- Granted patents
- 6,126
- Published applications
- 5,590
- Assignees
- 3,324
- Inventors
- 12,024
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 71 | 0 |
| 1977 | 56 | 0 |
| 1978 | 74 | 0 |
| 1979 | 65 | 0 |
| 1980 | 78 | 0 |
| 1981 | 60 | 0 |
| 1982 | 64 | 0 |
| 1983 | 63 | 0 |
| 1984 | 74 | 0 |
| 1985 | 92 | 0 |
| 1986 | 62 | 0 |
| 1987 | 76 | 0 |
| 1988 | 83 | 0 |
| 1989 | 100 | 0 |
| 1990 | 94 | 0 |
| 1991 | 82 | 0 |
| 1992 | 91 | 0 |
| 1993 | 81 | 0 |
| 1994 | 102 | 0 |
| 1995 | 115 | 0 |
| 1996 | 112 | 0 |
| 1997 | 101 | 0 |
| 1998 | 102 | 0 |
| 1999 | 115 | 0 |
| 2000 | 96 | 0 |
| 2001 | 121 | 51 |
| 2002 | 121 | 117 |
| 2003 | 110 | 144 |
| 2004 | 81 | 177 |
| 2005 | 89 | 178 |
| 2006 | 94 | 141 |
| 2007 | 87 | 162 |
| 2008 | 98 | 183 |
| 2009 | 74 | 234 |
| 2010 | 114 | 221 |
| 2011 | 140 | 211 |
| 2012 | 169 | 219 |
| 2013 | 161 | 242 |
| 2014 | 156 | 217 |
| 2015 | 187 | 301 |
| 2016 | 184 | 262 |
| 2017 | 225 | 278 |
| 2018 | 206 | 281 |
| 2019 | 237 | 271 |
| 2020 | 245 | 263 |
| 2021 | 179 | 289 |
| 2022 | 218 | 251 |
| 2023 | 181 | 242 |
| 2024 | 194 | 254 |
| 2025 | 226 | 224 |
| 2026 | 120 | 177 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01F 27/05Stirrers3,307
- B01F 27/80Mixers with rotary stirring devices in fixed receptacles: with stirrers rotating about2,730
- B01F 27/60Mixers with rotary stirring devices in fixed receptacles: with stirrers rotating about1,309
- B01F 27/27Mixers with stator-rotor systems694
- B01F 27/21Mixers with rotary stirring devices in fixed receptacles: characterised by their rotating424
- B01F 27/23Mixers with rotary stirring devices in fixed receptacles: characterised by the orientation312
- B01F 27/50Pipe mixers, i.e. mixers wherein the materials to be mixed flow continuously187
- B01F 27/25Mixers with both stirrer and drive unit submerged in the material being176
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Most cited
By later US patents
- Integrated bone cement mixing and dispensing system1,201US 6,033,105 A2000
- Thin-unit-wet absorbent foam materials for aqueous body fluids and process for making same1,130US 5,387,207 AThe Procter & Gamble Company · 1995
- Mobile, modular, electrically powered system for use in fracturing underground formations using liquid petroleum gas341US 9,140,110 B2Evolution Well Services, LLC · 2015
- Electric blender system, apparatus and method for use in fracturing underground formations using liquid petroleum gas225US 10,107,085 B2Evolution Well Services, LLC · 2018
- System and method for dedicated electric source for use in fracturing underground formations using liquid petroleum gas223US 10,107,084 B2Evolution Well Services, LLC · 2018