C02F 2103/02
Non-contaminated water
Official title: Non-contaminated water, e.g. for industrial water supply
C02F2103/02 (Non-contaminated water) appears on 1,838 US grants and 2,530 published applications in this corpus.
Search patents in C02F- Granted patents
- 1,838
- Published applications
- 2,530
- Assignees
- 1,212
- Inventors
- 4,471
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 11 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 10 | 0 |
| 1990 | 13 | 0 |
| 1991 | 22 | 0 |
| 1992 | 24 | 0 |
| 1993 | 12 | 0 |
| 1994 | 9 | 0 |
| 1995 | 22 | 0 |
| 1996 | 20 | 0 |
| 1997 | 22 | 0 |
| 1998 | 24 | 0 |
| 1999 | 27 | 0 |
| 2000 | 25 | 0 |
| 2001 | 36 | 10 |
| 2002 | 48 | 47 |
| 2003 | 43 | 61 |
| 2004 | 38 | 96 |
| 2005 | 33 | 81 |
| 2006 | 39 | 106 |
| 2007 | 46 | 76 |
| 2008 | 40 | 69 |
| 2009 | 26 | 70 |
| 2010 | 42 | 89 |
| 2011 | 41 | 83 |
| 2012 | 30 | 66 |
| 2013 | 45 | 78 |
| 2014 | 62 | 83 |
| 2015 | 42 | 139 |
| 2016 | 58 | 129 |
| 2017 | 66 | 120 |
| 2018 | 101 | 119 |
| 2019 | 85 | 125 |
| 2020 | 96 | 146 |
| 2021 | 100 | 131 |
| 2022 | 89 | 135 |
| 2023 | 93 | 138 |
| 2024 | 97 | 117 |
| 2025 | 95 | 130 |
| 2026 | 50 | 86 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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.
- Dispenser25 Aug 2026US 12,714,955 B2King Technology, Inc.
- Pure water systems25 Aug 2026US 12,715,790 B2Unger Marketing International, LLC
- Apparatus and method for waste-water reduction in laboratory water purification system8 Oct 2026US 2026/0308022 A1Thermo Orion Inc.
- Acoustic resonance and toroidal vortex system for water sanitation, fluid purification, and atmospheric moisture harvesting1 Oct 2026US 2026/0296929 A1
- Water treatment system, pure water production method, and water treatment method1 Oct 2026US 2026/0296933 A1Organo Corporation
- Oxygen or hydrogen functional water production device1 Oct 2026US 2026/0296941 A1Cosan Co., Ltd.
- A water treatment cartridge1 Oct 2026US 2026/0296943 A1HCL Technologies Limited
Most cited
By later US patents
- Medicament preparation and treatment devices, methods, and systems259US 10,478,544 B2NxStage Medical, Inc. · 2019
- Automatic chemical monitor and control system238US 5,422,014 A1995
- Method and system for producing sterile aqueous solutions193US 5,032,265 AMillipore Corporation · 1991
- Personal water filter bottle system161US 6,569,329 B1Innova Pure Water Inc. · 2003
- Water treatment method for heavy oil production150US 6,733,636 B1Ionics, Incorporated · 2004