B01F 35/7544
Using pumps
Official title: {using pumps}
B01F35/7544 (Using pumps) appears on 107 US grants and 108 published applications in this corpus.
Search patents in B01F- Granted patents
- 107
- Published applications
- 108
- Assignees
- 81
- Inventors
- 262
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 2 |
| 2003 | 2 | 1 |
| 2004 | 1 | 2 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 2 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 3 | 9 |
| 2015 | 5 | 8 |
| 2016 | 6 | 4 |
| 2017 | 3 | 8 |
| 2018 | 0 | 6 |
| 2019 | 4 | 12 |
| 2020 | 9 | 7 |
| 2021 | 10 | 8 |
| 2022 | 6 | 10 |
| 2023 | 4 | 4 |
| 2024 | 7 | 7 |
| 2025 | 6 | 3 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Direct high pressure slurry injection fracturing system and method6 Oct 2026US 12,752,247 B1
- Electrically driven oilfield blender system26 May 2026US 12,636,628 B2Twin Disc, Incorporated
- Apparatus and method for electrolyte solution production14 Apr 2026US 12,601,075 B2Air Products and Chemicals, Inc.
- Solution preparation device, and solution replacement system and method31 Mar 2026US 12,589,365 B2
- Bioprocess vessels with integrated pump and methods of using the same13 Jan 2026US 12,521,308 B2Alphinity USA, Inc.
- Personal solution-mixing device for consumer use10 Sep 2026US 2026/0264032 A1
- Automatic system and method for generating emulsified media and evaluating oily films on aqueous surfaces by spectral imaging30 Jul 2026US 2026/0219292 A1Petroleo Brasileiro S.A. - Petrobras
- Modular systems and apparatuses for creating fracturing slurry14 May 2026US 2026/0131293 A1SandPile Services LLC
- Blender system19 Feb 2026US 2026/0048372 A1Stewart & Stevenson LLC
- Cancer therapy delivery system and components thereof1 Jan 2026US 2026/0000911 A1Boston Scientific Scimed, Inc.
Most cited
By later US patents
- Sand-mixing equipment141US 10,864,487 B1American Jereh International Corporation · 2020
- Programmable weight sensitive microingredient feed additive delivery system and method120US 4,733,971 AMicro Chemical, Inc. · 1988
- Programmable apparatus and method for delivering microingredient feed additives by weight105US 5,340,211 AMicro Chemical, Inc. · 1994
- Programmable apparatus and method for delivering microingredient feed additives to animals by weight97US 4,889,433 AMicro Chemical, Inc. · 1989
- Programmable apparatus and method for delivering microingredient feed additives to animals by weight85US 4,815,042 AMicro Chemical, Inc. · 1989