G05D 11/005
Control of flow ratio: using synchronised pumps
Official title: {using synchronised pumps}
G05D11/005 (Control of flow ratio: using synchronised pumps) appears on 24 US grants and 25 published applications in this corpus.
Search patents in G05D- Granted patents
- 24
- Published applications
- 25
- Assignees
- 24
- Inventors
- 50
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 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 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 3 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 3 | 2 |
| 2020 | 0 | 1 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Liquid dispensing pump and liquid dispensing device14 Oct 2025US 12,440,816 B2Shenzhen Yhlo Biotech Co., Ltd.
- Method for adjusting the volumetric flow ratio of at least two different fluids6 Aug 2024US 12,055,133 B2Covestro Intellectual Property GmbH & Co.KG
- System and method for dispensing a beverage28 Feb 2023US 11,592,849 B2Sustainable Beverage Technologies Inc.
- Dispenser for dispensing liquid or pasty substances8 Mar 2022US 11,267,011 B2Dual Dispensers GmbH
- Systems and methods for fluid ratio control8 Jun 2021US 11,027,304 B2Carlisle Fluid Technologies, Inc.
- Method for monitoring a liquid culture flow7 Nov 2024US 2024/0368523 A1Ovizio Imaging Systems NV/SA
- Liquid dispensing pump and liquid dispensing device3 Nov 2022US 2022/0347640 A1Shenzhen Yhlo Biotech Co., Ltd.
- Method for adjusting the volumetric flow ratio of at least two different fluids4 Nov 2021US 2021/0340965 A1Covestro Intellectual Property GmbH & Co.KG
- Dispenser for dispensing liquid or pasty substances4 Feb 2021US 2021/0031224 A1Dual Dispensers GmbH
- System and method for dispensing a beverage5 Mar 2020US 2020/0073417 A1Sustainable Beverage Technologies Inc.
Most cited
By later US patents
- Constant ratio post-mix beverage dispensing valve95US 5,156,301 AIMI Cornelius Inc. · 1992
- Systems and methods for fluid ratio control16US 11,027,304 B2Carlisle Fluid Technologies, Inc. · 2021
- Mixing and proportioning apparatus for multi-component plastics materials15US 4,090,262 AElastogran Maschinenbau GmbH · 1978
- Electronic proportioner using continuous metering and correction15US 9,010,367 B2Graco Minnesota Inc. · 2015
- Plural component pumping system12US 9,670,919 B2Wagner Spray Tech Corporation · 2017