Process for regulating an oxygen production unit by comparison of the differential pressures characteristic of different adsorbers
US-11369916-B2 · Jun 28, 2022 · US
by adsorption on solids · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B13/0259 |
| Official title | {by adsorption on solids} |
| Display label | by adsorption on solids |
| Total patents | 84 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 7 |
| 2017 | 7 |
| 2018 | 8 |
| 2019 | 11 |
| 2020 | 7 |
| 2021 | 4 |
| 2022 | 12 |
| 2023 | 4 |
| 2024 | 7 |
| 2025 | 3 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11369916-B2 · Jun 28, 2022 · US
US-2022178333-A1 · Jun 9, 2022 · US
US-2022096780-A1 · Mar 31, 2022 · US
US-2021309517-A1 · Oct 7, 2021 · US
US-2021178103-A1 · Jun 17, 2021 · US
US-10882003-B2 · Jan 5, 2021 · US
US-10882742-B2 · Jan 5, 2021 · US
US-2020398211-A1 · Dec 24, 2020 · US
US-2020384238-A1 · Dec 10, 2020 · US
US-2020368671-A1 · Nov 26, 2020 · US
US-10843120-B2 · Nov 24, 2020 · US
US-2020270130-A1 · Aug 27, 2020 · US
US-10583265-B2 · Mar 10, 2020 · US
US-2020061521-A1 · Feb 27, 2020 · US
US-2019391571-A1 · Dec 26, 2019 · US
US-2019300925-A1 · Oct 3, 2019 · US
US-10377630-B2 · Aug 13, 2019 · US
US-10300427-B2 · May 28, 2019 · US
US-10294507-B2 · May 21, 2019 · US
US-10280877-B2 · May 7, 2019 · US
Answers are generated from the same data shown on this page.