C02F 2209/001
Upstream control, i.e. monitoring for predictive control
C02F2209/001 (Upstream control, i.e. monitoring for predictive control) appears on 564 US grants and 902 published applications in this corpus.
Search patents in C02F- Granted patents
- 564
- Published applications
- 902
- Assignees
- 507
- Inventors
- 1,958
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 9 | 9 |
| 2003 | 4 | 8 |
| 2004 | 5 | 9 |
| 2005 | 3 | 13 |
| 2006 | 5 | 13 |
| 2007 | 2 | 7 |
| 2008 | 4 | 16 |
| 2009 | 9 | 13 |
| 2010 | 12 | 26 |
| 2011 | 13 | 39 |
| 2012 | 24 | 27 |
| 2013 | 20 | 47 |
| 2014 | 23 | 59 |
| 2015 | 25 | 64 |
| 2016 | 33 | 61 |
| 2017 | 33 | 57 |
| 2018 | 48 | 53 |
| 2019 | 43 | 42 |
| 2020 | 44 | 44 |
| 2021 | 30 | 42 |
| 2022 | 39 | 55 |
| 2023 | 28 | 57 |
| 2024 | 29 | 47 |
| 2025 | 42 | 54 |
| 2026 | 28 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Low-pressure injection system for pressurized fluid or gas lines25 Aug 2026US 12,715,797 B1
- Drainage treatment system and drainage treatment method18 Aug 2026US 12,709,555 B2Hitachi, Ltd.
- Operation method of water treatment apparatus and water treatment apparatus8 Oct 2026US 2026/0308031 A1Kubota Corporation
- Integrated Ocean Alkalinity Enhancement And Seawater Desalination8 Oct 2026US 2026/0308037 A1Ebb Carbon, Inc.
- Process and system for degrading a chemical compound in a liquid stream1 Oct 2026US 2026/0296942 A1Aquasoil S.R.L.
- Modular Water Disinfection System with Integrated UV-C, Ozone, and IoT Monitoring.24 Sep 2026US 2026/0285730 A1
- Water purification plant for the needs-optimised execution of operations24 Sep 2026US 2026/0288123 A1Fresenius Medical Care Deutschland GmbH
Most cited
By later US patents
- Method and apparatus for capacitive deionization, electrochemical purification, and regeneration of electrodes157US 5,425,858 AThe Regents of the University of California · 1995
- Method and apparatus for capacitive deionization and electrochemical purification and regeneration of electrodes139US 6,309,532 B1The Regents of the University of California · 2001
- Method for remote monitoring of water treatment systems130US 6,954,701 B2Watereye, Inc. · 2005
- Method and apparatus for capacitive deionization and electrochemical purification and regeneration of electrodes117US 5,954,937 AThe Regents of the University of California · 1999
- Disinfectant composition providing sustained residual biocidal action85US 6,180,584 B2Surfacine Development Company, LLC · 2001