C02F 2209/03
Pressure
C02F2209/03 (Pressure) appears on 1,101 US grants and 1,689 published applications in this corpus.
Search patents in C02F- Granted patents
- 1,101
- Published applications
- 1,689
- Assignees
- 922
- Inventors
- 3,405
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 0 |
| 2002 | 12 | 13 |
| 2003 | 11 | 18 |
| 2004 | 8 | 23 |
| 2005 | 15 | 24 |
| 2006 | 3 | 18 |
| 2007 | 6 | 27 |
| 2008 | 16 | 29 |
| 2009 | 15 | 42 |
| 2010 | 24 | 44 |
| 2011 | 22 | 71 |
| 2012 | 18 | 46 |
| 2013 | 34 | 59 |
| 2014 | 43 | 80 |
| 2015 | 31 | 64 |
| 2016 | 38 | 73 |
| 2017 | 49 | 94 |
| 2018 | 56 | 81 |
| 2019 | 89 | 102 |
| 2020 | 87 | 108 |
| 2021 | 84 | 119 |
| 2022 | 83 | 133 |
| 2023 | 98 | 135 |
| 2024 | 88 | 114 |
| 2025 | 81 | 90 |
| 2026 | 51 | 82 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Separating ions in water using plastic ice VII29 Sep 2026US 12,747,165 B2International Business Machines Corporation
- Intelligent reverse osmosis control22 Sep 2026US 12,741,887 B2Ozono Polaris, S.A. de C.V.
- Systems and methods for desalination of liquids22 Sep 2026US 12,741,888 B2Acquolina Il Mondo, LLC
- Wafer cleaning water supply system and wafer cleaning water supply method1 Sep 2026US 12,727,422 B2Kurita Water Industries Ltd.
- Method for operating separation membrane module, computer-readable recording medium having program recorded thereon, and water production system18 Aug 2026US 12,708,878 B2Toray Industries, Inc.
- Equipment and method for removing a supernatant phase from a body of water in a polluted groundwater8 Oct 2026US 2026/0307123 A1ENI S. p. A.
- Utilization of an ultra-high pressure reverse osmosis membrane system to treat industrial wastewater or a reverse osmosis reject waste stream8 Oct 2026US 2026/0308017 A1Renovo Resources LLC
- System for determining filter status8 Oct 2026US 2026/0309611 A1
- Distillation system pressure control system and method1 Oct 2026US 2026/0296924 A1Honeywell International Inc.
- Process and system for degrading a chemical compound in a liquid stream1 Oct 2026US 2026/0296942 A1Aquasoil S.R.L.
Most cited
By later US patents
- Swimming pool management system146US 6,125,481 A2000
- Integrated water treatment control system with probe failure detection131US 5,895,565 ASanta Barbara Control Systems · 1999
- Methods to de-sulfate saline streams107US 7,789,159 B12010
- Apparatus and method for continuous depyrogenation and production of sterile water for injection95US 7,122,149 B2Applied Research Associates, Inc. · 2006
- Automated closed recirculating aquaculture filtration system and method83US 5,961,831 ABoard of Regents, The University of Texas System · 1999