Cone valve
US-10465807-B2 · Nov 5, 2019 · US
contacting in the closed position, over a substantial axial length, a seat surface having the same inclination
contacting in the closed position, over a substantial axial length, a seat surface having the same inclination · 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 | F16K1/385 |
| Official title | {contacting in the closed position, over a substantial axial length, a seat surface having the same inclination} |
| Display label | contacting in the closed position, over a substantial axial length, a seat surface having the same inclination |
| Total patents | 150 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 17 |
| 2017 | 15 |
| 2018 | 12 |
| 2019 | 13 |
| 2020 | 20 |
| 2021 | 7 |
| 2022 | 16 |
| 2023 | 15 |
| 2024 | 17 |
| 2025 | 12 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Solenoid valve, in particular for slip-regulated motor-vehicle brake systems
US-10421443-B2 · Sep 24, 2019 · US
Electronic plumbing fixture fitting with electronic valve including piston and seat
US-10392786-B2 · Aug 27, 2019 · US
Electric valve having a valve body with a constricted surface portion
US-10344872-B2 · Jul 9, 2019 · US
Multi-Piece Fluid End
US-2019136842-A1 · May 9, 2019 · US
Gas exchange valve for an internal combustion engine
US-2019136982-A1 · May 9, 2019 · US
Fluid End Valve With Dual Inserts
US-2019120389-A1 · Apr 25, 2019 · US
Valve mechanism
US-2019107207-A1 · Apr 11, 2019 · US
Regulator valve assembly and components thereof
US-2019040962-A1 · Feb 7, 2019 · US
Needle tip and seat for a choke valve
US-2019032792-A1 · Jan 31, 2019 · US
Variable venturi device with adjustable valve stem
US-2019022606-A1 · Jan 24, 2019 · US
Stop valve and steam turbine
US-2019003330-A1 · Jan 3, 2019 · US
Valve plugs having curved notches
US-10161528-B2 · Dec 25, 2018 · US
Electronic plumbing fixture fitting with sensor mounted on electronic board
US-10081931-B2 · Sep 25, 2018 · US
Electric valve
US-2018238455-A1 · Aug 23, 2018 · US
Coating system component comprising at least one holding part
US-10047781-B2 · Aug 14, 2018 · US
Throttle valve
US-10024457-B2 · Jul 17, 2018 · US
Needle valve
US-2018185861-A1 · Jul 5, 2018 · US
Depressurizer
US-2018163928-A1 · Jun 14, 2018 · US
Liquid electromagnetic valve, method of manufacturing liquid electromagnetic valve, and washing machine
US-2018149284-A1 · May 31, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K1/385?
- CPC F16K1/385 is the Cooperative Patent Classification code for “contacting in the closed position, over a substantial axial length, a seat surface having the same inclination.”
- How many patents are filed under CPC F16K1/385 (contacting in the closed position, over a substantial axial length, a seat surface having the same inclination)?
- Our database includes 150 publications tagged with this CPC code.
- Is patent activity under CPC F16K1/385 growing?
- Publication counts under this code: 17 in 2024 vs 12 in 2025 (latest complete years).