Process for separation of hydrogen and oxygen
US-10882742-B2 · Jan 5, 2021 · US
in getters · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B13/0281 |
| Official title | {in getters} |
| Display label | in getters |
| Total patents | 9 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 1 |
| 2019 | 2 |
| 2021 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-10882742-B2 · Jan 5, 2021 · US
US-10450244-B2 · Oct 22, 2019 · US
US-2019031504-A1 · Jan 31, 2019 · US
US-2017174514-A1 · Jun 22, 2017 · US
US-9511358-B2 · Dec 6, 2016 · US
US-9315383-B2 · Apr 19, 2016 · US
US-9192913-B2 · Nov 24, 2015 · US
US-2015148216-A1 · May 28, 2015 · US
US-2015001443-A1 · Jan 1, 2015 · US