B01J 19/0066
Stirrers
Official title: {Stirrers (mixing per se B01F)}
B01J19/0066 (Stirrers) appears on 692 US grants and 808 published applications in this corpus.
Search patents in B01J- Granted patents
- 692
- Published applications
- 808
- Assignees
- 573
- Inventors
- 2,283
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 10 | 0 |
| 1996 | 11 | 0 |
| 1997 | 14 | 0 |
| 1998 | 9 | 0 |
| 1999 | 11 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 1 |
| 2002 | 7 | 8 |
| 2003 | 6 | 13 |
| 2004 | 10 | 21 |
| 2005 | 8 | 9 |
| 2006 | 12 | 12 |
| 2007 | 6 | 21 |
| 2008 | 7 | 11 |
| 2009 | 10 | 39 |
| 2010 | 10 | 27 |
| 2011 | 25 | 31 |
| 2012 | 22 | 28 |
| 2013 | 30 | 27 |
| 2014 | 27 | 34 |
| 2015 | 14 | 36 |
| 2016 | 23 | 30 |
| 2017 | 22 | 30 |
| 2018 | 29 | 33 |
| 2019 | 30 | 39 |
| 2020 | 36 | 49 |
| 2021 | 37 | 62 |
| 2022 | 36 | 67 |
| 2023 | 35 | 43 |
| 2024 | 46 | 52 |
| 2025 | 33 | 44 |
| 2026 | 28 | 41 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Preparation method for iron phosphate powder by microporous filtration and concentration and preparation device thereof6 Oct 2026US 12,753,078 B2Zhejiang Dong'ou Filtering Machinery Manufacturing Co., Ltd.
- 1-methylcyclopropene generation apparatus29 Sep 2026US 12,746,525 B2Ecoplants Co.,Ltd.
- Reactor22 Sep 2026US 12,741,263 B2LG Chem.Ltd.
- Device for continuously producing hydrogen from polyester plastics by photocatalytic degradation15 Sep 2026US 12,734,500 B2Tianjin University
- Process for polymerizing molecular-weight controlled polymer8 Sep 2026US 12,729,255 B2Korea Research Institute of Chemical Technology
- Modular multiplatform system for mrna drug production8 Oct 2026US 2026/0306407 A1BioNTech SE
- Horizontal polymerization reactor for producing propylene-based polymer and method for producing propylene-based polymer17 Sep 2026US 2026/0273496 A1Japan Polypropylene Corporation
- Process for reducing fouling in high pressure polymerization27 Aug 2026US 2026/0250437 A1Borealis AG
- High-pressure reactor27 Aug 2026US 2026/0250800 A1Gem Co., Ltd.
- Reactors and their special design suitable for a high flexible and robust polycarbonate plant, in particular by means of a pre-transesterification technology20 Aug 2026US 2026/0241359 A1Epc Engineering & Technologies GmbH
Most cited
By later US patents
- Process for preparing uniformly sized polymer particles by suspension polymerization of vibratorily excited monomers in a gaseous or liquid stream109US 4,623,706 AThe Dow Chemical Company · 1986
- Two-step process for the preparation of a (co)polycarbonate by transesterification82US 5,498,688 ADaicel Chemical Industries, Ltd. · 1996
- Apparatus for the continuous liquid-phase catalytic oxidation of alkyl-substituted aromatic compounds78US 4,243,636 AMitsui Petrochemical Industries, Ltd. · 1981
- Oxygen enrichment method and system72US 5,356,600 APraxair Technology, Inc. · 1994
- Method for preparation of droplets67US 4,680,320 AKanegafuchi Kagaku Kogyo Kabushiki Kaisha · 1987