C02F 2103/34
From industrial activities not provided for in groups c02f2103/12 - c02f2103/32
Official title: from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
C02F2103/34 (From industrial activities not provided for in groups c02f2103/12 - c02f2103/32) appears on 1,632 US grants and 2,289 published applications in this corpus.
Search patents in C02F- Granted patents
- 1,632
- Published applications
- 2,289
- Assignees
- 1,259
- Inventors
- 5,236
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 10 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 9 | 0 |
| 1997 | 8 | 0 |
| 1998 | 9 | 0 |
| 1999 | 22 | 0 |
| 2000 | 13 | 0 |
| 2001 | 23 | 4 |
| 2002 | 25 | 14 |
| 2003 | 18 | 19 |
| 2004 | 9 | 22 |
| 2005 | 14 | 45 |
| 2006 | 12 | 25 |
| 2007 | 25 | 34 |
| 2008 | 20 | 37 |
| 2009 | 22 | 44 |
| 2010 | 32 | 75 |
| 2011 | 39 | 81 |
| 2012 | 34 | 81 |
| 2013 | 32 | 67 |
| 2014 | 53 | 105 |
| 2015 | 60 | 149 |
| 2016 | 61 | 140 |
| 2017 | 90 | 166 |
| 2018 | 107 | 131 |
| 2019 | 118 | 133 |
| 2020 | 124 | 157 |
| 2021 | 119 | 132 |
| 2022 | 111 | 143 |
| 2023 | 91 | 130 |
| 2024 | 83 | 158 |
| 2025 | 95 | 113 |
| 2026 | 61 | 84 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Recycling system29 Sep 2026US 12,747,175 B2Abu Dhabi University
- Method for high-value application of PTA residue high-concentration bromine-containing wastewater to preparation of cuprous bromide22 Sep 2026US 12,741,881 B2Jiangsu University of Technology
- Method for treating wastewater15 Sep 2026US 12,735,337 B2Mitsubishi Chemical Corporation
- Treating produced water for beneficial reuse8 Sep 2026US 12,729,139 B2Renovo Resources LLC
- Recycling and purifying structure for distiller1 Sep 2026US 12,722,100 B2
- Method for Treating Phosphorus-Containing Wastewater Produced During Preparation of Sulfonamide Compound8 Oct 2026US 2026/0308035 A1Nanhai Beisha Pharmaceutical Co., Ltd.
- Methods to reduce contamination, biofilm, and fouling from water systems and surfaces24 Sep 2026US 2026/0285716 A1Aequor, Inc.
- Method for metal ion removal from metal-containing solution using fluidized bed homogeneous crystallization24 Sep 2026US 2026/0285717 A1National Chunghsing University
- Water treatment apparatus and water treatment method24 Sep 2026US 2026/0285720 A1Organo Corporation
- Integrated Method and Apparatus for Treatment of Produced Water24 Sep 2026US 2026/0285725 A1Tetra Technologies, Inc.
Most cited
By later US patents
- Simplified ozonator for a semiconductor wafer cleaner350US 6,399,022 B1Fairchild Semiconductor Corporation · 2002
- Surface functionalized mesoporous material and method of making same91US 6,326,326 B1Battelle Memorial Institute · 2001
- Methods and apparatus for the application of combined fields to disinfect fluids89US 5,997,812 ACoolant Treatment Systems, L.L.C. · 1999
- Microbial culture liquors containing microorganisms differing in characteristics and living in symbiosis and metabolites thereof, carriers and adsorbents containing the active components of the culture liquors and utilization of the same88US 6,649,397 B1Orient Green Co., Ltd. · 2003
- Water treatment method for heavy oil production using calcium sulfate seed slurry evaporation76US 7,438,129 B2GE Ionics, Inc. · 2008