Metal sealing system for triple eccentricity butterfly valve
US-11644103-B2 · May 9, 2023 · US
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Movable sealing bodies
Movable sealing bodies · 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 | F16K1/228 |
| Official title | Movable sealing bodies |
| Display label | Movable sealing bodies |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2022 | 4 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Frictionless rotary valve
US-11384847-B2 · Jul 12, 2022 · US
Frictionless rotary valve
US-2022146000-A1 · May 12, 2022 · US
Adaptive radial seal regulator
US-11285587-B2 · Mar 29, 2022 · US
Metal sealing system for triple eccentricity butterfly valve
US-2022090685-A1 · Mar 24, 2022 · US
Bonded seat with annular ribs
US-10794494-B2 · Oct 6, 2020 · US
Adaptive radial seal regulator
US-2020276688-A1 · Sep 3, 2020 · US
Bonded seat with annular ribs
US-2019309857-A1 · Oct 10, 2019 · US
Engine control valve in a motor vehicle
US-9989021-B2 · Jun 5, 2018 · US
Engine control valve in a motor vehicle
US-2017268468-A1 · Sep 21, 2017 · US
Flow path switching valve
US-9644750-B2 · May 9, 2017 · US
Flow path switching valve
US-2016238140-A1 · Aug 18, 2016 · US