Valve
US-12510168-B2 · Dec 30, 2025 · US
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using bellows
using bellows · 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 | F16K5/207 |
| Official title | {using bellows} |
| Display label | using bellows |
| Total patents | 7 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Valve
US-2024159320-A1 · May 16, 2024 · US
Ball valve system
US-10794496-B2 · Oct 6, 2020 · US
Flexible seat ball valve
US-10228065-B2 · Mar 12, 2019 · US
Ball valve system
US-2018045324-A1 · Feb 15, 2018 · US
Flexible seat ball valve
US-2018038491-A1 · Feb 8, 2018 · US
Bellows energized seal assembly for a rotary control valve
US-9052022-B2 · Jun 9, 2015 · US