Corrosion and wear resistant overlay, method for forming corrosion and wear resistant overlay, and corrosion and wear resistant valve
US-12502727-B2 · Dec 23, 2025 · US
with wedge-shaped arrangements of sealing faces
with wedge-shaped arrangements of sealing faces · 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 | F16K3/12 |
| Official title | with wedge-shaped arrangements of sealing faces |
| Display label | with wedge-shaped arrangements of sealing faces |
| Total patents | 62 |
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 | 2 |
| 2017 | 4 |
| 2018 | 8 |
| 2019 | 8 |
| 2020 | 7 |
| 2021 | 2 |
| 2022 | 16 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gate valve with positive gate stop
US-2025257808-A1 · Aug 14, 2025 · US
Gate valve
US-12338908-B2 · Jun 24, 2025 · US
Slide Unit For A Shut-Off Valve
US-2024240719-A1 · Jul 18, 2024 · US
Valve body with bypass
US-11959558-B2 · Apr 16, 2024 · US
Gate Valve
US-2023392696-A1 · Dec 7, 2023 · US
Modular vacuum valve system for a vacuum transport system
US-2023383864-A1 · Nov 30, 2023 · US
Gate valve
US-11572953-B2 · Feb 7, 2023 · US
Valve seat assembly having mating surfaces with a reverse taper angle
US-11566713-B2 · Jan 31, 2023 · US
Gate valve
US-11536376-B2 · Dec 27, 2022 · US
Arrangement with a valve
US-2022390035-A1 · Dec 8, 2022 · US
Gate valve
US-11486499-B2 · Nov 1, 2022 · US
Valve seat assembly having mating surfaces with a reverse taper angle
US-2022325803-A1 · Oct 13, 2022 · US
Gate valve
US-11466784-B2 · Oct 11, 2022 · US
Valve body with identification tab
US-2022299120-A1 · Sep 22, 2022 · US
Gate valve
US-11384843-B1 · Jul 12, 2022 · US
Valve body with identification tab
US-11384845-B2 · Jul 12, 2022 · US
Gate Valve
US-2022170556-A1 · Jun 2, 2022 · US
Valve with electrodynamic actuator
US-11326710-B2 · May 10, 2022 · US
Gate Valve
US-2022099194-A1 · Mar 31, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K3/12?
- CPC F16K3/12 is the Cooperative Patent Classification code for “with wedge-shaped arrangements of sealing faces.”
- How many patents are filed under CPC F16K3/12 (with wedge-shaped arrangements of sealing faces)?
- Our database includes 62 publications tagged with this CPC code.
- Is patent activity under CPC F16K3/12 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).