Pilot valve and switching valve
US-2026071795-A1 · Mar 12, 2026 · US
Welded housings
Welded housings · 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 | F16K27/10 |
| Official title | Welded housings |
| Display label | Welded housings |
| Total patents | 50 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 11 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Flow path forming device
US-2026029062-A1 · Jan 29, 2026 · US
Expansion valve coil assembly
US-12334257-B2 · Jun 17, 2025 · US
Capacity control valve
US-12292130-B2 · May 6, 2025 · US
One-way valve
US-12203556-B2 · Jan 21, 2025 · US
Manifold
US-2025020231-A1 · Jan 16, 2025 · US
Polymeric rupture disk system
US-2025003511-A1 · Jan 2, 2025 · US
Reversing Valve
US-2024376993-A1 · Nov 14, 2024 · US
Polymeric rupture disk system
US-12092232-B2 · Sep 17, 2024 · US
Reversing Valve, and Assembly Method of Reversing Valve
US-2024183454-A1 · Jun 6, 2024 · US
Valve body connection structure and valve assembly with valve body connection structure
US-11946558-B2 · Apr 2, 2024 · US
Solenoid valve with explosion-proof structure, fuel feeding system, and method of manufacturing the solenoid valve with explosion-proof structure
US-11767928-B2 · Sep 26, 2023 · US
One-way valve
US-2023265935-A1 · Aug 24, 2023 · US
Polymeric rupture disk system
US-2022341502-A1 · Oct 27, 2022 · US
Solenoid valve with explosion-proof structure, fuel feeding system, and method of manufacturing the solenoid valve with explosion-proof structure
US-2022333712-A1 · Oct 20, 2022 · US
Valve device and method for assembling the same
US-11448333-B2 · Sep 20, 2022 · US
Valve Body Connection Structure and Valve Assembly with Valve Body Connection Structure
US-2022275876-A1 · Sep 1, 2022 · US
Expansion valve coil assembly
US-2022181057-A1 · Jun 9, 2022 · US
Proportional spool valve for adjusting the displaced volume of a displacement pump, assembly method and system
US-11346337-B2 · May 31, 2022 · US
Valves with integrated orifice restrictions
US-2022136610-A1 · May 5, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K27/10?
- CPC F16K27/10 is the Cooperative Patent Classification code for “Welded housings.”
- How many patents are filed under CPC F16K27/10 (Welded housings)?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC F16K27/10 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).