Gas injection and recycling apparatus and methods
US-10683221-B2 · Jun 16, 2020 · US
with axial thrust propellers · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C02F3/207 |
| Official title | {with axial thrust propellers} |
| Display label | with axial thrust propellers |
| Total patents | 2 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2019 | 1 |
| 2020 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-10683221-B2 · Jun 16, 2020 · US
US-2019185353-A1 · Jun 20, 2019 · US