Valve device
US-2026043486-A1 · Feb 12, 2026 · US
between housing and plug
between housing and plug · 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 | F16K5/0271 |
| Official title | {between housing and plug} |
| Display label | between housing and plug |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 8 |
| 2021 | 10 |
| 2022 | 7 |
| 2023 | 9 |
| 2024 | 6 |
| 2025 | 7 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sealing high pressure flow devices
US-12535143-B2 · Jan 27, 2026 · US
Valve device
US-2026022774-A1 · Jan 22, 2026 · US
Valve device
US-2026022784-A1 · Jan 22, 2026 · US
Modular gland arrangements for a fluid end assembly
US-2025341164-A1 · Nov 6, 2025 · US
Modular gland arrangements for a fluid end assembly
US-12385397-B2 · Aug 12, 2025 · US
Sealing high pressure flow devices
US-2025230877-A1 · Jul 17, 2025 · US
Sealing high pressure flow devices
US-2025172213-A1 · May 29, 2025 · US
Sealing high pressure flow devices
US-12270491-B2 · Apr 8, 2025 · US
Retaining ring and method of manufacture
US-12228218-B2 · Feb 18, 2025 · US
Sealing high pressure flow devices
US-12209686-B2 · Jan 28, 2025 · US
Modular gland arrangements for a fluid end assembly
US-2024318553-A1 · Sep 26, 2024 · US
Stopcock for an endoscope
US-12042129-B2 · Jul 23, 2024 · US
Low torque valve
US-2024183453-A1 · Jun 6, 2024 · US
Modular gland arrangements for a fluid end assembly
US-12000285-B2 · Jun 4, 2024 · US
Sealing high pressure flow devices
US-2024125395-A1 · Apr 18, 2024 · US
Sealing high pressure flow devices
US-11859732-B2 · Jan 2, 2024 · US
Sealing high pressure flow devices
US-2023279956-A1 · Sep 7, 2023 · US
Mix manifold and valve seal assembly
US-11691164-B2 · Jul 4, 2023 · US
Sealing high pressure flow devices
US-11649901-B2 · May 16, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K5/0271?
- CPC F16K5/0271 is the Cooperative Patent Classification code for “between housing and plug.”
- How many patents are filed under CPC F16K5/0271 (between housing and plug)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC F16K5/0271 growing?
- Publication counts under this code: 6 in 2024 vs 7 in 2025 (latest complete years).