B01F 35/831
Using one or more pump or other dispensing mechanisms for feeding the
Official title: {using one or more pump or other dispensing mechanisms for feeding the flows in predetermined proportion, e.g. one of the pumps being driven by one of the flows (B01F35/832 takes precedence)}
B01F35/831 (Using one or more pump or other dispensing mechanisms for feeding the) appears on 193 US grants and 203 published applications in this corpus.
Search patents in B01F- Granted patents
- 193
- Published applications
- 203
- Assignees
- 165
- Inventors
- 500
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 1 |
| 2002 | 2 | 3 |
| 2003 | 4 | 5 |
| 2004 | 4 | 13 |
| 2005 | 5 | 11 |
| 2006 | 3 | 6 |
| 2007 | 3 | 12 |
| 2008 | 7 | 10 |
| 2009 | 3 | 9 |
| 2010 | 5 | 4 |
| 2011 | 4 | 7 |
| 2012 | 5 | 4 |
| 2013 | 3 | 11 |
| 2014 | 4 | 8 |
| 2015 | 11 | 8 |
| 2016 | 7 | 6 |
| 2017 | 8 | 7 |
| 2018 | 5 | 6 |
| 2019 | 8 | 17 |
| 2020 | 8 | 11 |
| 2021 | 13 | 7 |
| 2022 | 8 | 11 |
| 2023 | 8 | 7 |
| 2024 | 4 | 8 |
| 2025 | 11 | 10 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Admixing system for fire-extinguishing systems and method for operating such an admixing system2 Jun 2026US 12,642,999 B2Firedos GmbH
- Adding system for fire-extinguishing units26 May 2026US 12,636,532 B2Firedos GmbH
- Split-type blade, fluid driving device and fluid driving proportional mixer19 May 2026US 12,629,648 B2Shanghai Vision Mechanical Joint Co., Ltd.
- Solution preparation device, and solution replacement system and method31 Mar 2026US 12,589,365 B2
- Ergonomic device for mixing fluids with controlled metering24 Mar 2026US 12,582,946 B2Euromeccanica Mazzer S.R.L.
- Brine mixing systems and methods29 Jan 2026US 2026/0027531 A1Schlumberger Technology Corporation
- Automated system for screening and optimizing nanoparticle formulations14 Aug 2025US 2025/0256252 A1Wyatt Technology Corporation
- Medicament Preparation Devices, Methods, and Systems26 Jun 2025US 2025/0205401 A1NxStage Medical, Inc.
- Device and method for mixing components of a ceramic starting material5 Jun 2025US 2025/0177938 A1bredent GmbH & Co. KG
- System for producing a multiple component mixture29 May 2025US 2025/0170536 A1
Most cited
By later US patents
- Dissolved oxygen control system for aquaculture249US 10,219,491 B2Pentair Water Pool and Spa, Inc. · 2019
- Microprocessor controlled liquid chemical delivery system and method158US 5,014,211 ADiversey, Inc. · 1991
- Proportioning pump, control systems and applicator apparatus80US 9,316,216 B1Pumptec, Inc. · 2016
- Plural component delivery system75US 5,388,761 A1995
- Method and apparatus for liposome production67US 6,855,296 B1Optime Therapeutics, Inc. · 2005