B01F 27/9211
The helices being surrounded by a guiding tube
Official title: {the helices being surrounded by a guiding tube}
B01F27/9211 (The helices being surrounded by a guiding tube) appears on 27 US grants and 15 published applications in this corpus.
Search patents in B01F- Granted patents
- 27
- Published applications
- 15
- Assignees
- 23
- Inventors
- 58
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 3 |
| 2019 | 2 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cell separation apparatus for bioreactor6 Oct 2026US 12,753,381 B2Alit Biotech (Shanghai) Co., Ltd.
- Fluid mixing apparatus and methods for mixing and improving homogeneity of fluids19 Mar 2024US 11,931,706 B2Letts Create, LLC
- Fluid mixing apparatus and methods for mixing and improving homogeneity of fluids23 Nov 2021US 11,179,686 B2Letts Create, LLC
- Device and method for the treatment of FORSU22 Oct 2019US 10,449,580 B2Austep S.P.A.
- Manual mixer7 May 2019US 10,279,326 B2Medtronic Holding Company SàRl
- Piping systems and methods with an auger assembly30 Apr 2026US 2026/0117635 A1SPM Oil & Gas Inc.
- Cell separation apparatus for bioreactor25 May 2023US 2023/0159880 A1Alit Biotech (Shanghai) Co., Ltd.
- Fluid Mixing Apparatus and Methods for Mixing and Improving Homogeneity of Fluids30 Jun 2022US 2022/0203310 A1Letts Create, LLC
- Method for the triboelectric charging of chemically conditioned bulk salt mixtures20 Aug 2020US 2020/0261872 A1K+S Aktiengesellschaft
- Fluid mixing apparatus and methods for mixing and improving homogeneity of fluids25 Oct 2018US 2018/0304212 A1Letts Create, LLC
Most cited
By later US patents
- Paste feeding apparatus67US 5,265,773 AKabushiki Kaisha Marukomu · 1993
- Process and apparatus for mixing a gas and a liquid46US 4,454,077 AUnion Carbide Corporation · 1984
- Food mixer incorporating an archimedean screw and cutting blades21US 5,727,742 A1998
- Method for transporting and delivering substances21US 6,443,613 B1The Maitland Company · 2002
- Method of and apparatus for transporting and conditioning casting materials and for charging casting machines with them15US 5,529,212 AVerfahrenstechnik Hubers GmbH · 1996