C02F 2103/04
For obtaining ultra-pure water
Official title: for obtaining ultra-pure water
C02F2103/04 (For obtaining ultra-pure water) appears on 393 US grants and 519 published applications in this corpus.
Search patents in C02F- Granted patents
- 393
- Published applications
- 519
- Assignees
- 243
- Inventors
- 965
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 11 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 9 | 2 |
| 2002 | 17 | 11 |
| 2003 | 8 | 14 |
| 2004 | 7 | 18 |
| 2005 | 9 | 18 |
| 2006 | 8 | 12 |
| 2007 | 10 | 8 |
| 2008 | 7 | 9 |
| 2009 | 2 | 10 |
| 2010 | 8 | 16 |
| 2011 | 5 | 25 |
| 2012 | 3 | 12 |
| 2013 | 8 | 21 |
| 2014 | 18 | 11 |
| 2015 | 14 | 28 |
| 2016 | 7 | 15 |
| 2017 | 11 | 17 |
| 2018 | 16 | 19 |
| 2019 | 19 | 22 |
| 2020 | 21 | 38 |
| 2021 | 19 | 31 |
| 2022 | 22 | 28 |
| 2023 | 21 | 47 |
| 2024 | 23 | 35 |
| 2025 | 22 | 24 |
| 2026 | 20 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water supply system29 Sep 2026US 12,747,170 B2Disco Corporation
- Production device for pH/redox potential-adjusted water8 Sep 2026US 12,729,145 B2Kurita Water Industries Ltd.
- Wafer cleaning water supply system and wafer cleaning water supply method1 Sep 2026US 12,727,422 B2Kurita Water Industries Ltd.
- Water treatment device18 Aug 2026US 12,709,559 B2LG Electronics Inc.
- Resistivity adjustment device and resistivity adjustment method11 Aug 2026US 12,702,961 B2DIC Corporation
- Apparatus and method for waste-water reduction in laboratory water purification system8 Oct 2026US 2026/0308022 A1Thermo Orion Inc.
- Water treatment system, pure water production method, and water treatment method1 Oct 2026US 2026/0296933 A1Organo Corporation
- Water treatment device and water treatment method24 Sep 2026US 2026/0285718 A1Organo Corporation
- Water treatment apparatus and water treatment method24 Sep 2026US 2026/0285720 A1Organo Corporation
- Cleaning method of membrane housing, membrane housing cleaned by the cleaning method, and ultrapure water manufacturing apparatus including the membrane housing17 Sep 2026US 2026/0273471 A1Organo Corporation
Most cited
By later US patents
- Medicament preparation and treatment devices, methods, and systems259US 10,478,544 B2NxStage Medical, Inc. · 2019
- Process and system for purifying pure water or ultrapure water131US 5,073,268 AEbara Corporation · 1991
- Method and apparatus for high efficiency reverse osmosis operation122US 5,925,255 A1999
- Water purification process117US 4,808,287 A1989
- Method and apparatus for producing ultrapure water116US 4,430,226 AMillipore Corporation · 1984