Valve assembly useful for cryogenic applications
US-2026085758-A1 · Mar 26, 2026 · US
Spindle sealings
Spindle sealings · 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 | F16K5/0694 |
| Official title | {Spindle sealings} |
| Display label | Spindle sealings |
| Total patents | 61 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 6 |
| 2017 | 1 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 10 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 8 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multi-stage shaft seal
US-12510187-B2 · Dec 30, 2025 · US
Valve actuation mechanism, valve arrangement and pipe installation for LH2 applications as well as use thereof
US-12398845-B2 · Aug 26, 2025 · US
Control valves with adjustable valve packing
US-2025189058-A1 · Jun 12, 2025 · US
Valve actuator
US-12264752-B2 · Apr 1, 2025 · US
Multi-stage shaft seal
US-2024401717-A1 · Dec 5, 2024 · US
Ball valve
US-2024384802-A1 · Nov 21, 2024 · US
Valve
US-12135098-B2 · Nov 5, 2024 · US
Valve
US-2024271720-A1 · Aug 15, 2024 · US
Bonnet and stuffing box assembly
US-11982375-B2 · May 14, 2024 · US
Valve actuation mechanism, valve arrangement and pipe installation for lh2 applications as well as use thereof
US-2024142062-A1 · May 2, 2024 · US
Electric valve and assembly method therefor
US-11965610-B2 · Apr 23, 2024 · US
Frac transfer diverter valve
US-11898644-B2 · Feb 13, 2024 · US
Valve actuator
US-2023400115-A1 · Dec 14, 2023 · US
Bonnet and stuffing box assembly
US-2023279967-A1 · Sep 7, 2023 · US
Ball valve assembly
US-11732813-B2 · Aug 22, 2023 · US
Method of using a bonnet and stuffing box assembly
US-11686406-B2 · Jun 27, 2023 · US
Electric valve and assembly method therefor
US-2023120698-A1 · Apr 20, 2023 · US
Valve
US-2023079603-A1 · Mar 16, 2023 · US
Top entry valve
US-11460116-B2 · Oct 4, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K5/0694?
- CPC F16K5/0694 is the Cooperative Patent Classification code for “Spindle sealings.”
- How many patents are filed under CPC F16K5/0694 (Spindle sealings)?
- Our database includes 61 publications tagged with this CPC code.
- Is patent activity under CPC F16K5/0694 growing?
- Publication counts under this code: 8 in 2024 vs 4 in 2025 (latest complete years).