Method for production of elemental sulfur and sulfuric acid
US-12545580-B2 · Feb 10, 2026 · US
Absorbers; Heat exchangers
Absorbers; Heat exchangers · 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 | C01B17/806 |
| Official title | {Absorbers; Heat exchangers} |
| Display label | Absorbers; Heat exchangers |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 4 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for carbon dioxide capture and concentration by partitioned multistage circulation based on mass transfer-reaction regulation
US-11980844-B2 · May 14, 2024 · US
Method for production of elemental sulfur by part or fully catalytic oxidation of Claus tail gas
US-11807527-B2 · Nov 7, 2023 · US
Method for production of sulfur and sulfuric acid
US-11691877-B2 · Jul 4, 2023 · US
Revamping of a claus plant with a sulfuric acid plan
US-11618677-B2 · Apr 4, 2023 · US
Method for carbon dioxide capture and concentration by partitioned multistage circulation based on mass transfer-reaction regulation
US-2023033705-A1 · Feb 2, 2023 · US
Method for inter-bed cooling in wet gas sulfuric acid plants
US-11543120-B2 · Jan 3, 2023 · US
Method for production of elemental sulfur by part or fully catalytic oxidation of claus tail gas
US-2022234891-A1 · Jul 28, 2022 · US
Method for production of elemental sulfur and sulfuric acid
US-2022227625-A1 · Jul 21, 2022 · US
Revamping of a claus plant with a sulfuric acid plan
US-2022177306-A1 · Jun 9, 2022 · US
Method for production of sulfur and sulfuric acid
US-2022177307-A1 · Jun 9, 2022 · US
Process and device for the preparation of sulfuric acid
US-10858251-B2 · Dec 8, 2020 · US
Process and device for the preparation of sulfuric acid
US-2020290876-A1 · Sep 17, 2020 · US
A method for inter-bed cooling in wet gas sulfuric acid plants
US-2020149735-A1 · May 14, 2020 · US
Process for the production of sulfur trioxide
US-10640376-B2 · May 5, 2020 · US
System and a method for producing aqueous sulphuric acid
US-10465339-B2 · Nov 5, 2019 · US
A process for the production of sulfur trioxide
US-2019177161-A1 · Jun 13, 2019 · US
System and a method for producing aqueous sulphuric acid
US-2019177914-A1 · Jun 13, 2019 · US
Process and apparatus for cooling a gas containing SO2 and/or SO3 and water
US-10294105-B2 · May 21, 2019 · US
Process and plant for improved energy-efficient production of sulfuric acid
US-10150671-B2 · Dec 11, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B17/806?
- CPC C01B17/806 is the Cooperative Patent Classification code for “Absorbers; Heat exchangers.”
- How many patents are filed under CPC C01B17/806 (Absorbers; Heat exchangers)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC C01B17/806 growing?
- Publication counts under this code: 5 in 2023 vs 1 in 2024 (latest complete years).