Double positive isolation ball valve
US-11067179-B2 · Jul 20, 2021 · US
This page is not indexed by search engines while we improve data quality.
by means of conical surfaces
by means of conical surfaces · 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 | F16K5/185 |
| Official title | {by means of conical surfaces} |
| Display label | by means of conical surfaces |
| Total patents | 3 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2018 | 2 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High Pressure Plug Valve
US-2018266573-A1 · Sep 20, 2018 · US
Double positive isolation ball valve
US-2018245697-A1 · Aug 30, 2018 · US