Low temperature nh3 reforming process coupled to a heat pump
US-2026085861-A1 · Mar 26, 2026 · US
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Ammonia; Compounds thereof {(C01C3/08, C01C3/14, C01C3/16, C01C3/20 take precedence)}
Ammonia; Compounds thereof {(C01C3/08, C01C3/14, C01C3/16, C01C3/20 take precedence)} · 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 | C01C1/00 |
| Official title | Ammonia; Compounds thereof {(C01C3/08, C01C3/14, C01C3/16, C01C3/20 take precedence)} |
| Display label | Ammonia; Compounds thereof {(C01C3/08, C01C3/14, C01C3/16, C01C3/20 take precedence)} |
| Total patents | 22 |
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 | 1 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 6 |
| 2022 | 1 |
| 2024 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Deuterium recovery method and deuterium recovery equipment
US-2024239655-A1 · Jul 18, 2024 · US
Production of hydrocarbon using direct-contact steam generation
US-11236594-B2 · Feb 1, 2022 · US
Development of ruthenium-copper nano-sponge electrodes for ambient electrochemical reduction of nitrogen to ammonia
US-2021340683-A1 · Nov 4, 2021 · US
Ammonia solution production device and ammonia solution production method
US-11104594-B2 · Aug 31, 2021 · US
Enhanced sorbent formulation for removal of mercury from flue gas
US-10967357-B2 · Apr 6, 2021 · US
Method for revamping vertical converters having a flanged pressure shell extension for housing an internal heat exchanger
US-10960375-B2 · Mar 30, 2021 · US
SCR diesel particle filter with oxidation catalyst and oxygen storage catalyst loadings, and exhaust system including the same
US-10914214-B2 · Feb 9, 2021 · US
Production of hydrocarbon using direct-contact steam generation
US-2021025266-A1 · Jan 28, 2021 · US
Production of hydrocarbon using direct-contact steam generation
US-10851630-B2 · Dec 1, 2020 · US
Ammonia solution production device and ammonia solution production method
US-2019367391-A1 · Dec 5, 2019 · US
Film forming method, film forming system and surface processing method
US-10392698-B2 · Aug 27, 2019 · US
Enhanced sorbent formulation for removal of mercury from flue gas
US-2019151823-A1 · May 23, 2019 · US
Method for revamping vertical converters having a flanged pressure shell extension for housing an internal heat exchanger
US-2019134587-A1 · May 9, 2019 · US
Enhanced sorbent formulation for removal of mercury from flue gas
US-10220369-B2 · Mar 5, 2019 · US
Formulations comprising ammoniacal hydroxozinc compounds
US-9978591-B2 · May 22, 2018 · US
Production of hydrocarbon using direct-contact steam generation
US-2018087354-A1 · Mar 29, 2018 · US
Scr diesel particle filter with oxidation catalyst and oxygen storage catalyst loadings, and exhaust system including the same
US-2018080359-A1 · Mar 22, 2018 · US
Film forming method, film forming system and surface processing method
US-2018037989-A1 · Feb 8, 2018 · US
Process and composition for alkaline surfactant polymer flooding
US-2017362493-A1 · Dec 21, 2017 · US