B01F 35/21112
Volumetric flow rate
Official title: {Volumetric flow rate}
B01F35/21112 (Volumetric flow rate) appears on 67 US grants and 90 published applications in this corpus.
Search patents in B01F- Granted patents
- 67
- Published applications
- 90
- Assignees
- 63
- Inventors
- 227
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 4 |
| 2004 | 2 | 2 |
| 2005 | 0 | 1 |
| 2006 | 3 | 2 |
| 2007 | 2 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 2 | 2 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 7 |
| 2018 | 4 | 10 |
| 2019 | 8 | 4 |
| 2020 | 5 | 10 |
| 2021 | 5 | 14 |
| 2022 | 4 | 3 |
| 2023 | 8 | 3 |
| 2024 | 10 | 9 |
| 2025 | 6 | 8 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Apparatus and process for oxidant formation9 Dec 2025US 12,492,815 B2Air Products and Chemicals, Inc.
- Recycling of gas in confined plunging liquid jet reactor4 Nov 2025US 12,458,936 B1Kuwait University
- Automated method and apparatus for preparing bioprocess solutions5 Aug 2025US 12,377,393 B2FUJIFILM Irvine Scientific, Inc.
- Automated fermentation maintenance and dispensing system16 Jul 2026US 2026/0199853 A1
- Modular systems and apparatuses for creating fracturing slurry14 May 2026US 2026/0131293 A1SandPile Services LLC
- Simulation device for generating supersaturated total dissolved gas in flood discharge and energy dissipation region of dam26 Mar 2026US 2026/0084121 A1Changjiang River Scientific Research Institute
- Water softener and control method for water softener1 Jan 2026US 2026/0001781 A1Panasonic Intellectual Property Management Co., Ltd.
- Fully automated frozen beverage and soft serve system9 Oct 2025US 2025/0311746 A1Forte Supply LLC
Most cited
By later US patents
- Apparatus and method for mixing and dispensing chemical concentrates at point of use102US 5,203,366 AEcolab Inc. · 1993
- Combination gravimetric and volumetric dispenser for multiple fluids65US 6,991,004 B2Fluid Management, Inc. · 2006
- Fluid mixing system64US 6,491,421 B2Schlumberger Technology Corporation · 2002
- Combination gravimetric and volumetric dispenser for multiple fluids35US 7,147,012 B2Fluid Management, Inc. · 2006
- Flow-based chemical dispense system33US 6,763,860 B2Ecolab Inc. · 2004