Method and system for treating lignin
US-9828726-B2 · Nov 28, 2017 · US
by heat treatments, e.g. calcining
by heat treatments, e.g. calcining · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C10L9/08 |
| Official title | by heat treatments, e.g. calcining |
| Display label | by heat treatments, e.g. calcining |
| Total patents | 175 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 20 |
| 2016 | 27 |
| 2017 | 24 |
| 2018 | 19 |
| 2019 | 20 |
| 2020 | 12 |
| 2021 | 9 |
| 2022 | 13 |
| 2023 | 13 |
| 2024 | 10 |
| 2025 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing solid fuel and apparatus for producing solid fuel
US-2017335215-A1 · Nov 23, 2017 · US
Processing materials
US-9816231-B2 · Nov 14, 2017 · US
Array for processing materials
US-2017268169-A1 · Sep 21, 2017 · US
Coal deactivation processing device
US-9758741-B2 · Sep 12, 2017 · US
Upgrading process streams
US-2017216775-A1 · Aug 3, 2017 · US
Supercritical water upgrading process to produce high grade coke
US-2017166819-A1 · Jun 15, 2017 · US
Coal mixture, method for manufacturing coal mixture, and method for manufacturing coke
US-2017137716-A1 · May 18, 2017 · US
Upgrading process streams
US-9637802-B2 · May 2, 2017 · US
Coal deactivation treatment device
US-9617491-B2 · Apr 11, 2017 · US
Array for processing materials
US-2017044713-A1 · Feb 16, 2017 · US
Processing materials
US-2017036186-A1 · Feb 9, 2017 · US
Reconfigurable processing enclosures
US-2017036185-A1 · Feb 9, 2017 · US
Coal deactivation processing device and equipment for producing modified coal using same
US-9528065-B2 · Dec 27, 2016 · US
Water-containing solid fuel drying apparatus and drying method
US-9518736-B2 · Dec 13, 2016 · US
Lignite drying integration with a water/steam power cycle
US-2016348540-A1 · Dec 1, 2016 · US
Method of producing modified coal, and modified coal
US-2016348022-A1 · Dec 1, 2016 · US
Lignite drying with closed loop heat pump
US-2016348023-A1 · Dec 1, 2016 · US
Device and method for manufacturing semi-carbonized fuel of biomass, and power generation system using semi-carbonized fuel
US-9494313-B2 · Nov 15, 2016 · US
Hydrothermal carbonization of sewage wastes
US-9475698-B2 · Oct 25, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10L9/08?
- CPC C10L9/08 is the Cooperative Patent Classification code for “by heat treatments, e.g. calcining.”
- How many patents are filed under CPC C10L9/08 (by heat treatments, e.g. calcining)?
- Our database includes 175 publications tagged with this CPC code.
- Is patent activity under CPC C10L9/08 growing?
- Publication counts under this code: 10 in 2024 vs 8 in 2025 (latest complete years).