C02F 11/143
Using inorganic substances
Official title: using inorganic substances (C02F11/148 takes precedence)
C02F11/143 (Using inorganic substances) appears on 185 US grants and 229 published applications in this corpus.
Search patents in C02F- Granted patents
- 185
- Published applications
- 229
- Assignees
- 170
- Inventors
- 533
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 3 |
| 2002 | 7 | 5 |
| 2003 | 3 | 5 |
| 2004 | 3 | 4 |
| 2005 | 1 | 6 |
| 2006 | 2 | 10 |
| 2007 | 1 | 2 |
| 2008 | 6 | 3 |
| 2009 | 6 | 8 |
| 2010 | 4 | 6 |
| 2011 | 1 | 4 |
| 2012 | 7 | 7 |
| 2013 | 2 | 1 |
| 2014 | 3 | 11 |
| 2015 | 3 | 8 |
| 2016 | 0 | 6 |
| 2017 | 7 | 5 |
| 2018 | 11 | 16 |
| 2019 | 4 | 16 |
| 2020 | 12 | 18 |
| 2021 | 9 | 18 |
| 2022 | 15 | 18 |
| 2023 | 9 | 9 |
| 2024 | 14 | 20 |
| 2025 | 20 | 12 |
| 2026 | 3 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method of using nanobubbles in a dewatering process for a liquid-solid stream8 Sep 2026US 12,729,146 B2Moleaer, Inc.
- Use of a hydraulic binder containing calcium aluminate for the production of a construction material12 May 2026US 12,623,963 B2ARDEX Group GmbH
- Method for treating waters, sediments and/or sludges24 Feb 2026US 12,559,400 B2OASE GmbH
- Semiconductor chemical mechanical polishing sludge recycling device23 Dec 2025US 12,503,383 B2Transcene Corporation
- Method of dewatering11 Nov 2025US 12,466,752 B2Synata Bio, Inc.
- Coagulant compositions and methods of use6 Aug 2026US 2026/0225932 A1Locus Solutions Ipco, LLC
- Optimization method and device based on integration of flocculation, vacuum and solidified sludge11 Jun 2026US 2026/0159420 A1Huzhou Vocational & Technical College
- System and method of using nanobubbles in a dewatering process for a liquid-solid stream28 May 2026US 2026/0145977 A1Moleaer, Inc.
- Method for rapidly starting dye-organic wastewater anaerobic co-metabolic system based on s-nzvi30 Apr 2026US 2026/0116796 A1Nanjing University
- Calcined clay tailings and/or calcined mine waste, and associated systems and methods26 Feb 2026US 2026/0055324 A1Graymont Western Canada 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
- Process and apparatus for pathogen reduction in waste83US 5,013,458 ARDP Company · 1991
- Conditioning method for dehydrating clarification sludge47US 6,368,511 B1Bayer Aktiengesellschaft · 2002
- Process and apparatus for liquid sludge stabilization46US 5,681,481 ARDP Company · 1997
- Method for treating bioorganic and wastewater sludges44US 5,853,590 AMedical College of Ohio · 1998