C02F 2103/023
Water in cooling circuits
Official title: {Water in cooling circuits}
C02F2103/023 (Water in cooling circuits) appears on 914 US grants and 1,090 published applications in this corpus.
Search patents in C02F- Granted patents
- 914
- Published applications
- 1,090
- Assignees
- 590
- Inventors
- 2,137
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 11 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 9 | 0 |
| 1991 | 13 | 0 |
| 1992 | 17 | 0 |
| 1993 | 10 | 0 |
| 1994 | 5 | 0 |
| 1995 | 15 | 0 |
| 1996 | 7 | 0 |
| 1997 | 16 | 0 |
| 1998 | 15 | 0 |
| 1999 | 16 | 0 |
| 2000 | 19 | 0 |
| 2001 | 22 | 3 |
| 2002 | 18 | 21 |
| 2003 | 20 | 31 |
| 2004 | 21 | 30 |
| 2005 | 14 | 44 |
| 2006 | 19 | 27 |
| 2007 | 24 | 45 |
| 2008 | 23 | 36 |
| 2009 | 15 | 34 |
| 2010 | 24 | 49 |
| 2011 | 27 | 29 |
| 2012 | 16 | 31 |
| 2013 | 20 | 35 |
| 2014 | 20 | 38 |
| 2015 | 20 | 66 |
| 2016 | 34 | 58 |
| 2017 | 31 | 60 |
| 2018 | 40 | 55 |
| 2019 | 39 | 49 |
| 2020 | 47 | 49 |
| 2021 | 44 | 55 |
| 2022 | 35 | 64 |
| 2023 | 39 | 44 |
| 2024 | 42 | 44 |
| 2025 | 40 | 59 |
| 2026 | 14 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dispenser25 Aug 2026US 12,714,955 B2King Technology, Inc.
- Method for utilizing multiple simultaneous independent sources of water in a cooling tower28 Jul 2026US 12,692,175 B2Ecolab USA Inc.
- Method of inhibiting corrosion of a metal in an industrial water system21 Jul 2026US 12,686,929 B2Ecolab USA Inc.
- Functionalized phosphonates, and water-soluble salts and N-oxide derivatives thereof, and method of use thereof as scale inhibitor30 Jun 2026US 12,668,517 B2Dorf Ketal Brasil Ltda, Brazil
- Electric vehicle charging system23 Jun 2026US 12,662,008 B2ABB E-mobility B.V.
- Method of Inhibiting Corrosion of a Metal in an Industrial Water System1 Oct 2026US 2026/0297758 A1Ecolab USA Inc.
- Multifunctional-group modified green scale inhibitor for efficient inhibiting calcium sulfate formation and preparation method and application thereof24 Sep 2026US 2026/0285724 A1Nanjing University
- Method and system for controlling biofouling with fluorescent biodispersant3 Sep 2026US 2026/0257946 A1Chemtreat, Inc.
- Liquid circulation apparatus, substrate processing apparatus, and method of manufacturing product27 Aug 2026US 2026/0251365 A1Canon Kabushiki Kaisha
- Improved biocide compositions13 Aug 2026US 2026/0231947 A1Solugen, Inc.
Most cited
By later US patents
- Automatic chemical monitor and control system238US 5,422,014 A1995
- Water treatment method for heavy oil production150US 6,733,636 B1Ionics, Incorporated · 2004
- Integrated water treatment control system with probe failure detection131US 5,895,565 ASanta Barbara Control Systems · 1999
- Computerized system for feeding chemicals into water treatment system118US 4,648,043 ABetz Laboratories, Inc. · 1987
- Method and composition for inhibiting growth of microorganisms including peracetic acid and a second organic biocide118US 5,494,588 ANalco Chemical Company · 1996