Rate/kinetic selective multiple bed adsorption process cycle
US-11883775-B2 · Jan 30, 2024 · US
of nitrogen
of nitrogen · 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 | C10L3/105 |
| Official title | {of nitrogen} |
| Display label | of nitrogen |
| Total patents | 125 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 8 |
| 2017 | 8 |
| 2018 | 14 |
| 2019 | 11 |
| 2020 | 16 |
| 2021 | 19 |
| 2022 | 9 |
| 2023 | 8 |
| 2024 | 11 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and system for upgrading biogas
US-10760024-B2 · Sep 1, 2020 · US
Gas separation device
US-2020269188-A1 · Aug 27, 2020 · US
Systems and methods related to syngas to olefin production
US-10745624-B2 · Aug 18, 2020 · US
Nonhydrocarbon gas separation device and nonhydrocarbon gas separation method
US-10744455-B2 · Aug 18, 2020 · US
Tunable adsorbents
US-10717035-B2 · Jul 21, 2020 · US
Production of biomethane using multiple types of membrane
US-2020179868-A1 · Jun 11, 2020 · US
Integration methods of gas processing plant and nitrogen rejection unit for high nitrogen feed gases
US-10641549-B2 · May 5, 2020 · US
Multiple membrane separation process using glassy polymeric membrane and rubbery polymeric membrane
US-10569218-B2 · Feb 25, 2020 · US
Method and system for upgrading biogas
US-2020017787-A1 · Jan 16, 2020 · US
Method and system for providing upgraded biogas
US-10487282-B2 · Nov 26, 2019 · US
Method of producing nitrogen-depleted gas, method of producing nitrogen-enriched gas, method of nitrogen separation, and system of nitrogen separation
US-10449485-B2 · Oct 22, 2019 · US
Use of expansion machines in gas scrubbers
US-10449482-B2 · Oct 22, 2019 · US
Integration methods of gas processing plant and nitrogen rejection unit for high nitrogen feed gases
US-2019301795-A1 · Oct 3, 2019 · US
Method for producing hydrocarbons and alcohols
US-10384993-B2 · Aug 20, 2019 · US
Thermally rearranged polymer gas separation membrane having fluorinated cross-linked structure, and preparation method therefor
US-2019247784-A1 · Aug 15, 2019 · US
Integration methods of gas processing plant and nitrogen rejection unit for high nitrogen feed gases
US-10359230-B2 · Jul 23, 2019 · US
Method for gas separation
US-10279305-B2 · May 7, 2019 · US
Recuperative Heat Exchange for Desiccation of Cold Fluids
US-2019128604-A1 · May 2, 2019 · US
Microporous carbon materials to separate nitrogen in associated and non-associated natural gas streams
US-2019099740-A1 · Apr 4, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10L3/105?
- CPC C10L3/105 is the Cooperative Patent Classification code for “of nitrogen.”
- How many patents are filed under CPC C10L3/105 (of nitrogen)?
- Our database includes 125 publications tagged with this CPC code.
- Is patent activity under CPC C10L3/105 growing?
- Publication counts under this code: 11 in 2024 vs 11 in 2025 (latest complete years).