Ammonia synthesis system including catalyst bed containing microwave reactive catalyst mixture
US-2025206628-A1 · Jun 26, 2025 · US
using plasma or electric discharge
using plasma or electric discharge · 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 | C01C1/0494 |
| Official title | {using plasma or electric discharge} |
| Display label | using plasma or electric discharge |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 6 |
| 2024 | 5 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods and compositions for direct, simultaneous conversion of nitrogen and natural gas to value-added compounds
US-12202734-B2 · Jan 21, 2025 · US
Photocatalyst
US-12121885-B2 · Oct 22, 2024 · US
Process for the synthesis of ammonia
US-12122681-B2 · Oct 22, 2024 · US
Ammonification device and method using plasma discharging in water
US-2024286105-A1 · Aug 29, 2024 · US
Ammonia generator using plasma
US-2024254635-A1 · Aug 1, 2024 · US
Plasma assisted electrocatalytic conversion
US-2024052502-A1 · Feb 15, 2024 · US
Ammonia production method and ammonia production apparatus
US-2023295818-A1 · Sep 21, 2023 · US
Ammonia production method and ammonia production apparatus
US-2023295813-A1 · Sep 21, 2023 · US
Ammonia synthesis using plasma-produced electrons
US-2023286820-A1 · Sep 14, 2023 · US
Systems and methods of ammonia synthesis
US-2023203686-A1 · Jun 29, 2023 · US
Ammonia synthesis using plasma-produced electrons
US-11679988-B2 · Jun 20, 2023 · US
Systems and methods of ammonia synthesis
US-11603599-B2 · Mar 14, 2023 · US
Ammonia manufacturing apparatus and ammonia manufacturing method
US-11370668-B2 · Jun 28, 2022 · US
Photocatalyst
US-2022161247-A1 · May 26, 2022 · US
Ammonia manufacturing apparatus and ammonia manufacturing method
US-2021340017-A1 · Nov 4, 2021 · US
Cu1 81S CATALYST FOR SYNTHESIZING NH3 AND METHOD FOR SYNTHESIZING NH3 USING THE SAME
US-2021301412-A1 · Sep 30, 2021 · US
Process for the synthesis of ammonia
US-2021261425-A1 · Aug 26, 2021 · US
Methods and compositions for direct, simultaneous conversion of nitrogen and natural gas to value-added compounds
US-2021238048-A1 · Aug 5, 2021 · US
Ammonia production method
US-10597301-B2 · Mar 24, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01C1/0494?
- CPC C01C1/0494 is the Cooperative Patent Classification code for “using plasma or electric discharge.”
- How many patents are filed under CPC C01C1/0494 (using plasma or electric discharge)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC C01C1/0494 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).