Fuel cell system having biogas desulfurizer assembly with manganese oxide desulfurizer material
US-9847543-B2 · Dec 19, 2017 · US
Sulfur compounds
Sulfur compounds · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D53/48 |
| Official title | Sulfur compounds |
| Display label | Sulfur compounds |
| Total patents | 261 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 26 |
| 2017 | 53 |
| 2018 | 40 |
| 2019 | 37 |
| 2020 | 16 |
| 2021 | 18 |
| 2022 | 13 |
| 2023 | 20 |
| 2024 | 7 |
| 2025 | 15 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Power generation from waste heat in integrated hydrocracking and diesel hydrotreating facilities
US-9803930-B2 · Oct 31, 2017 · US
Power generation from waste heat in integrated crude oil refining and aromatics facilities
US-9803509-B2 · Oct 31, 2017 · US
System for syngas clean-up
US-9783417-B2 · Oct 10, 2017 · US
Enzymes for removing sulfurous compounds in downhole fluids
US-2017260074-A1 · Sep 14, 2017 · US
Method for preventing inactivation of flue gas desulfurization apparatus
US-9718024-B2 · Aug 1, 2017 · US
METHODS FOR GAS PHASE OXIDATIVE DESULPHURIZATION OF HYDROCARBONS USING CuZnAl CATALYSTS PROMOTED WITH GROUP VIB METAL OXIDES
US-2017190641-A1 · Jul 6, 2017 · US
Aqueous lime slurry, preparation process and uses
US-2017182456-A1 · Jun 29, 2017 · US
Method for syngas clean-up of semi-volatile organic compounds with solids removal
US-2017152139-A1 · Jun 1, 2017 · US
Recovery and re-use of waste energy in industrial facilities
US-2017082374-A1 · Mar 23, 2017 · US
Methods for carbon dioxide purification
US-9593020-B2 · Mar 14, 2017 · US
Recovery and re-use of waste energy in industrial facilities
US-2017058206-A1 · Mar 2, 2017 · US
Recovery and re-use of waste energy in industrial facilities
US-2017058208-A1 · Mar 2, 2017 · US
Power generation from waste heat in integrated hydrocracking and diesel hydrotreating facilities
US-2017058703-A1 · Mar 2, 2017 · US
Recovery and re-use of waste energy in industrial facilities
US-2017059259-A1 · Mar 2, 2017 · US
Method for syngas clean-up of semi-volatile organic compounds
US-9580315-B2 · Feb 28, 2017 · US
Process for producing a regenerable oxide-based adsorbent
US-9561488-B2 · Feb 7, 2017 · US
Process for sulfur removal from refinery off gas
US-9540293-B2 · Jan 10, 2017 · US
Process for removing sulfur compounds from natural gas streams
US-9518239-B2 · Dec 13, 2016 · US
System and method for syngas clean-up
US-9499404-B2 · Nov 22, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D53/48?
- CPC B01D53/48 is the Cooperative Patent Classification code for “Sulfur compounds.”
- How many patents are filed under CPC B01D53/48 (Sulfur compounds)?
- Our database includes 261 publications tagged with this CPC code.
- Is patent activity under CPC B01D53/48 growing?
- Publication counts under this code: 7 in 2024 vs 15 in 2025 (latest complete years).