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US-2024410407-A1 · Dec 12, 2024 · US
Mechanical Engineering
Mechanical Engineering · 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 | F16D3/74 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 87 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 6 |
| 2019 | 13 |
| 2020 | 10 |
| 2021 | 9 |
| 2022 | 11 |
| 2023 | 13 |
| 2024 | 9 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Torque transmission joint and electric-powered power steering apparatus
US-11648978-B2 · May 16, 2023 · US
Torque transmission joint and electric power steering device
US-11518429-B2 · Dec 6, 2022 · US
Flexible coupler for feeder shaft of combine harvester
US-2022354058-A1 · Nov 10, 2022 · US
Inside out flexible coupling assembly
US-11486449-B2 · Nov 1, 2022 · US
Drive shaft with non-cylindrical shape
US-11486439-B2 · Nov 1, 2022 · US
Radial band wedge impact driving device
US-2022274235-A1 · Sep 1, 2022 · US
Electrically isolated tool with non-conductive torque transfer component
US-2022258312-A1 · Aug 18, 2022 · US
Coupling monitoring system and method of using same
US-2022243773-A1 · Aug 4, 2022 · US
Flexible coupling shaft for turbine engine
US-11391326-B2 · Jul 19, 2022 · US
Radial band wedge impact driving device
US-11364606-B2 · Jun 21, 2022 · US
Electrically isolated tool with non-conductive torque transfer component
US-11351664-B2 · Jun 7, 2022 · US
Electrically Isolated Tool with Non-Conductive Torque Transfer Component
US-2022088754-A1 · Mar 24, 2022 · US
Radial Band Wedge Impact Driving Device
US-2021331302-A1 · Oct 28, 2021 · US
Assist mechanism and electric power steering device
US-2021331735-A1 · Oct 28, 2021 · US
Flexible Reinforced Radial Spline Coupling and Method
US-2021285502-A1 · Sep 16, 2021 · US
Flexible Flywheel Coupling
US-2021277957-A1 · Sep 9, 2021 · US
Coupling
US-2021270327-A1 · Sep 2, 2021 · US
Torque transmission joint and electric power steering device
US-11015656-B2 · May 25, 2021 · US
Torque transmission joint and electric-powered power steering apparatus
US-2021139072-A1 · May 13, 2021 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D3/74?
- CPC F16D3/74 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F16D3/74 (Mechanical Engineering)?
- Our database includes 87 publications tagged with this CPC code.
- Is patent activity under CPC F16D3/74 growing?
- Publication counts under this code: 9 in 2024 vs 6 in 2025 (latest complete years).