B01F 35/71775
Using helical screws
Official title: {using helical screws}
B01F35/71775 (Using helical screws) appears on 211 US grants and 201 published applications in this corpus.
Search patents in B01F- Granted patents
- 211
- Published applications
- 201
- Assignees
- 187
- Inventors
- 484
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 8 | 3 |
| 2002 | 5 | 3 |
| 2003 | 2 | 7 |
| 2004 | 2 | 5 |
| 2005 | 3 | 6 |
| 2006 | 5 | 6 |
| 2007 | 3 | 4 |
| 2008 | 4 | 15 |
| 2009 | 4 | 3 |
| 2010 | 1 | 10 |
| 2011 | 5 | 7 |
| 2012 | 5 | 4 |
| 2013 | 6 | 8 |
| 2014 | 8 | 4 |
| 2015 | 6 | 11 |
| 2016 | 5 | 10 |
| 2017 | 4 | 12 |
| 2018 | 8 | 9 |
| 2019 | 9 | 11 |
| 2020 | 9 | 19 |
| 2021 | 7 | 9 |
| 2022 | 9 | 8 |
| 2023 | 9 | 10 |
| 2024 | 13 | 6 |
| 2025 | 14 | 6 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Apparatus, systems and methods for on site mixing4 Nov 2025US 12,458,935 B2
- Multi powder mixing system14 Oct 2025US 12,440,812 B1Prince Mohammad Bin Fahd University
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- Automated fermentation maintenance and dispensing system16 Jul 2026US 2026/0199853 A1
- Piping systems and methods with an auger assembly30 Apr 2026US 2026/0117635 A1SPM Oil & Gas Inc.
- Jet device for mixing and dispensing glue26 Feb 2026US 2026/0054234 A1SuZhou FSTW Electronic Technology CO.,LTD
- Slurry homogenization process and use thereof19 Feb 2026US 2026/0048371 A1Eve Power Co., Ltd.
Most cited
By later US patents
- Multiple tub mobile blender and method of blending123US 6,286,986 B1Maverick Stimulation Company, LLC · 2001
- Multiple tub mobile blender117US 6,193,402 B12001
- Method and apparatus for metering and blending different material ingredients97US 5,148,943 AHydreclaim Corporation · 1992
- Portable mixing/delivery apparatus for pre-blended granular mixtures95US 6,666,573 B22003
- Electro-hydraulic hybrid drive sand-mixing equipment89US 11,480,040 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2022