B01F 35/71731
Using a hopper
Official title: {using a hopper}
B01F35/71731 (Using a hopper) appears on 227 US grants and 208 published applications in this corpus.
Search patents in B01F- Granted patents
- 227
- Published applications
- 208
- Assignees
- 179
- Inventors
- 459
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 5 | 5 |
| 2003 | 2 | 3 |
| 2004 | 3 | 3 |
| 2005 | 2 | 7 |
| 2006 | 0 | 5 |
| 2007 | 3 | 9 |
| 2008 | 3 | 3 |
| 2009 | 5 | 0 |
| 2010 | 3 | 4 |
| 2011 | 2 | 1 |
| 2012 | 4 | 3 |
| 2013 | 2 | 7 |
| 2014 | 1 | 5 |
| 2015 | 7 | 13 |
| 2016 | 4 | 6 |
| 2017 | 4 | 10 |
| 2018 | 9 | 13 |
| 2019 | 13 | 25 |
| 2020 | 14 | 26 |
| 2021 | 18 | 9 |
| 2022 | 16 | 12 |
| 2023 | 6 | 7 |
| 2024 | 11 | 11 |
| 2025 | 13 | 8 |
| 2026 | 9 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing slurry for insulation protective layer of rechargeable battery and device for manufacturing slurry for insulation protective layer of rechargeable battery8 Sep 2026US 12,728,396 B2Prime Planet Energy & Solutions, Inc.
- Containerized system for mixing dry additives with bulk material30 Jun 2026US 12,667,815 B2Halliburton Energy Services.Inc.
- Apparatus for forming a substrate2 Jun 2026US 12,644,211 B2Kimberly-Clark Worldwide, Inc.
- Acid mixing system19 May 2026US 12,629,463 B2Isopure, Corp.
- Mixer, system for applying a building material and method for producing a structure from building material21 Apr 2026US 12,605,862 B2Sika Technology AG
- Acid mixing system17 Sep 2026US 2026/0273148 A1Isopure, Corp.
- Apparatus for forming a substrate10 Sep 2026US 2026/0265971 A1Kimberly-Clark Worldwide, Inc.
- Blending particulate material3 Sep 2026US 2026/0257180 A1
- Easy clean out brine maker25 Jun 2026US 2026/0175180 A1Brine Masters, LLC
- Secondary battery potting device28 May 2026US 2026/0145145 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- 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
- Mobile, modular, electrically powered system for use in fracturing underground formations using liquid petroleum gas145US 9,475,020 B2Evolution Well Services, LLC · 2016
- Multiple tub mobile blender and method of blending123US 6,286,986 B1Maverick Stimulation Company, LLC · 2001