B01F 33/831
Devices with consecutive working receptacles
Official title: {Devices with consecutive working receptacles, e.g. with two intermeshing tools in one of the receptacles (B01F33/8305 takes precedence)}
B01F33/831 (Devices with consecutive working receptacles) appears on 16 US grants and 14 published applications in this corpus.
Search patents in B01F- Granted patents
- 16
- Published applications
- 14
- Assignees
- 26
- Inventors
- 49
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 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 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 2 | 2 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Platinum catalyst recycling device with multiple filtration structures14 Apr 2026US 12,599,945 B2Yulin University
- Chemical storage system28 May 2024US 11,993,455 B2Solaris Oilfield Site Services Operating LLC
- High-temperature aerogel heat insulation coating, preparation equipment and use method for preparation equipment5 Sep 2023US 11,745,154 B2CNBM Technology Innovation Academy (Shandong) Co., Ltd.
- Fertilizer grinding mechanism, water and fertilizer mixing device, and aqueous fertilizer solution preparation production line22 Aug 2023US 11,731,137 B2Hanergy (Qingdao) Lubrication Technology Co., Ltd.
- Environmentally friendly fertilizer device based on big data22 Oct 2019US 10,449,549 B2
- Platinum catalyst recycling device with multiple filtration structures27 Mar 2025US 2025/0099929 A1Yulin University
- High-temperature aerogel heat insulation coating, preparation equipment and use method for preparation equipment20 Jul 2023US 2023/0226507 A1CNBM Technology Innovation Academy (Shandong) Co., Ltd.
- Fertilizer grinding mechanism, water and fertilizer mixing device, and aqueous fertilizer solution preparation production line2 Feb 2023US 2023/0034460 A1Hanergy (Qingdao) Lubrication Technology Co., Ltd.
- Chemical storage system23 Jul 2020US 2020/0231378 A1Solaris Oilfield Site Services Operating LLC
- Coffee Densifier9 May 2019US 2019/0134578 A1Modern Process Equipment, Inc.
Most cited
By later US patents
- Jet pump system for forming an aqueous oil sand slurry44US 6,821,060 B2ACE Oil Sands, L.P. · 2004
- Device and method for the preparation of recyclable thermoplastic plastic material12US 8,992,067 B2EREMA Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H. · 2015
- Continuous rate feed hopper10US 4,929,086 A1990
- Attrition reactor system8US 5,248,484 AMartin Marietta Energy Systems, Inc. · 1993
- Agitator, a circulatory cleaning device attached to the agitator, and a circulatory line system comprising the circulatory cleaning device7US 7,540,651 B2Kansai Paint Co., Ltd. · 2009