Slotted guide
US-11236647-B2 · Feb 1, 2022 · US
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specially for rotary or oscillatory valves
specially for rotary or oscillatory valves · 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 | F01L31/18 |
| Official title | specially for rotary or oscillatory valves |
| Display label | specially for rotary or oscillatory valves |
| Total patents | 2 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2020 | 1 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Slotted guide
US-2020291830-A1 · Sep 17, 2020 · US