C02F 11/13
By heating
Official title: by heating
C02F11/13 (By heating) appears on 472 US grants and 431 published applications in this corpus.
Search patents in C02F- Granted patents
- 472
- Published applications
- 431
- Assignees
- 408
- Inventors
- 1,200
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 9 | 0 |
| 1978 | 8 | 0 |
| 1979 | 7 | 0 |
| 1980 | 10 | 0 |
| 1981 | 9 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 10 | 0 |
| 1989 | 9 | 0 |
| 1990 | 11 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 16 | 0 |
| 1994 | 10 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 3 |
| 2002 | 9 | 16 |
| 2003 | 9 | 5 |
| 2004 | 6 | 4 |
| 2005 | 3 | 6 |
| 2006 | 5 | 11 |
| 2007 | 3 | 9 |
| 2008 | 7 | 9 |
| 2009 | 4 | 5 |
| 2010 | 3 | 19 |
| 2011 | 4 | 8 |
| 2012 | 2 | 14 |
| 2013 | 10 | 20 |
| 2014 | 11 | 24 |
| 2015 | 10 | 21 |
| 2016 | 13 | 21 |
| 2017 | 18 | 19 |
| 2018 | 21 | 25 |
| 2019 | 14 | 23 |
| 2020 | 26 | 20 |
| 2021 | 19 | 29 |
| 2022 | 18 | 30 |
| 2023 | 19 | 34 |
| 2024 | 18 | 34 |
| 2025 | 18 | 9 |
| 2026 | 8 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of elimination of poly- and perfluoroalkyl substances (PFAS) in a wastewater biosolids gasification process using a thermal oxidizer and hydrated lime injection9 Jun 2026US 12,649,885 B2Aries Clean Technologies LLC
- Processes and systems for de-watering sludge2 Jun 2026US 12,643,807 B2NewSouth Innovations Pty Limited
- Integrated drying process and device for dry granulated slag and sludge2 Jun 2026US 12,644,161 B2Baoshan Iron & Steel Co., Ltd.
- Use of a hydraulic binder containing calcium aluminate for the production of a construction material12 May 2026US 12,623,963 B2ARDEX Group GmbH
- Systems and methods for biological transformation, concentration, and recovery of selenium from wastewater14 Apr 2026US 12,600,654 B2Arizona Board of Regents on behalf of Arizona State University
- Elimination of contaminants of concern including poly- and perfluoroalkyl substances (pfas) in a gasification process using an indirectly-heated dryer with closed-loop thermal fluid heat recovery10 Sep 2026US 2026/0265625 A1Aries Clean Technologies LLC
- Method of processing drinking water treatment material20 Aug 2026US 2026/0242268 A1Reale Lime
- Cleaning robot docking station and cleaning system with the cleaning robot docking station23 Jul 2026US 2026/0207022 A1TP-Link Systems Inc.
- System for dewatering and hygienization of wet waste streams23 Jul 2026US 2026/0209098 A1Carbon Twelve AS
- Sludge high-dry dewatering device with synchronous online detection of pore size and moisture content2 Jul 2026US 2026/0184616 A1China Jiliang University
Most cited
By later US patents
- Waste conversion process and products104US 5,431,702 ADynecology Incorporated · 1995
- Method of treating wastewater sludge98US 4,781,842 AN-Viro Energy Systems Ltd. · 1988
- Method for treating wastewater sludge94US 4,902,431 AN-Viro Energy Systems Ltd. · 1990
- High nitrogen and phosphorous content biomass produced by treatment of a BOD-containing material79US 4,162,153 AAir Products and Chemicals, Inc. · 1979
- Processes for drying sewage sludge and filtering water74US 4,193,206 AUop LLC · 1980