C02F 2001/007
Processes including a sedimentation step
Official title: {Processes including a sedimentation step}
C02F2001/007 (Processes including a sedimentation step) appears on 821 US grants and 1,191 published applications in this corpus.
Search patents in C02F- Granted patents
- 821
- Published applications
- 1,191
- Assignees
- 733
- Inventors
- 2,594
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 8 |
| 2003 | 7 | 20 |
| 2004 | 9 | 9 |
| 2005 | 9 | 13 |
| 2006 | 8 | 15 |
| 2007 | 9 | 8 |
| 2008 | 6 | 9 |
| 2009 | 4 | 24 |
| 2010 | 10 | 40 |
| 2011 | 9 | 26 |
| 2012 | 14 | 35 |
| 2013 | 16 | 39 |
| 2014 | 32 | 45 |
| 2015 | 26 | 72 |
| 2016 | 25 | 73 |
| 2017 | 52 | 81 |
| 2018 | 65 | 55 |
| 2019 | 53 | 70 |
| 2020 | 55 | 70 |
| 2021 | 77 | 103 |
| 2022 | 79 | 93 |
| 2023 | 60 | 72 |
| 2024 | 62 | 91 |
| 2025 | 50 | 70 |
| 2026 | 42 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for continuous-flow aerobic granular sludge process with improved two-stage sedimentation29 Sep 2026US 12,747,174 B2Passavant Roediger Water Technologies (Hangzhou) Co., Ltd.
- Systems and methods for desalination of liquids22 Sep 2026US 12,741,888 B2Acquolina Il Mondo, LLC
- Oil-water mixture treatment device and method15 Sep 2026US 12,735,334 B2China Petroleum & Chemical Corporation
- Water oil separator vessel with hydrophobic mesh tubes8 Sep 2026US 12,728,369 B2Saudi Arabian Oil Company
- Wastewater processing system and apparatus8 Sep 2026US 12,729,138 B2Skagen Energy Services Inc.
- Additive combination for treatment of heavy metals and dioxins in fly ash1 Oct 2026US 2026/0295645 A1Zhejiang University
- Tank cleaning system17 Sep 2026US 2026/0273595 A1
- System and method of supplements dosing to remove total nitrogen from sewage10 Sep 2026US 2026/0265106 A1
- Method and apparatus for treating wastewater3 Sep 2026US 2026/0257952 A1Samsung E&A Co., Ltd.
- Separation of fluids containing solids13 Aug 2026US 2026/0233236 A1World Water Works, Inc.
Most cited
By later US patents
- Continuous process for the reclamation of waste drilling fluids141US 4,482,459 ANewpark Waste Treatment Systems Inc. · 1984
- Electrochemical treatment of effluent water70US 6,238,546 B12001
- Flow control bypass basin apparatus69US 5,433,845 ANewberry Tanks & Equipment, Inc. · 1995
- Process for removing monohydric and polyhydric phenols from waste water67US 4,025,423 AMetallgesellschaft Aktiengesellschaft · 1977
- System for electrocatalytic treatment of waste water streams55US 4,179,347 AOmnipure, Inc. · 1979