Oil reservoir vent valve
US-11383854-B2 · Jul 12, 2022 · US
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in vacuum or under reduced pressure (lubrication of evacuating pumps F04; of rotary anodes of X-ray tubes H01J35/10)
in vacuum or under reduced pressure (lubrication of evacuating pumps F04; of rotary anodes of X-ray tubes H01J35/10) · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16N17/06 |
| Official title | in vacuum or under reduced pressure (lubrication of evacuating pumps F04; of rotary anodes of X-ray tubes H01J35/10) |
| Display label | in vacuum or under reduced pressure (lubrication of evacuating pumps F04; of rotary anodes of X-ray tubes H01J35/10) |
| Total patents | 5 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2021 | 1 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Oil reservoir vent valve
US-2021197980-A1 · Jul 1, 2021 · US
Integrated lubrication module for compressors
US-9512752-B2 · Dec 6, 2016 · US
Tank having an inclined partition provided at its ends with through-holes for continuous supply of a supply liquid to a turbine engine
US-9347335-B2 · May 24, 2016 · US
Tank having an inclined partition provided at its ends with through-holes for continuous supply of a supply liquid to a turbine engine
US-2015060206-A1 · Mar 5, 2015 · US