Power transmission system for a turbine engine
US-9850820-B2 · Dec 26, 2017 · US
made of several parts, e.g. by welding
made of several parts, e.g. by welding · 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 | F16C3/023 |
| Official title | {made of several parts, e.g. by welding} |
| Display label | made of several parts, e.g. by welding |
| Total patents | 355 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 30 |
| 2017 | 26 |
| 2018 | 37 |
| 2019 | 35 |
| 2020 | 38 |
| 2021 | 34 |
| 2022 | 40 |
| 2023 | 32 |
| 2024 | 39 |
| 2025 | 28 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Two-Stage Corrosion Barrier Between Two Work Pieces
US-2017283623-A1 · Oct 5, 2017 · US
Turbomachine shaft
US-2017254213-A1 · Sep 7, 2017 · US
Powertrain shaft assembly with core plug and method of manufacturing a shaft assembly
US-2017241299-A1 · Aug 24, 2017 · US
Connecting shaft and manufacturing method of connecting shaft
US-2017227045-A1 · Aug 10, 2017 · US
Oil transfer assembly for supplying oil into a rotating and translating tube
US-2017175877-A1 · Jun 22, 2017 · US
Aircraft axle insert to mitigate vibration
US-2017174333-A1 · Jun 22, 2017 · US
Frp drive shaft
US-2017152884-A1 · Jun 1, 2017 · US
Connection between two parts and method for connecting two parts
US-9664228-B2 · May 30, 2017 · US
Structure for shaft, male member, and female member
US-2017138408-A1 · May 18, 2017 · US
Connection device for a shaft
US-9631675-B2 · Apr 25, 2017 · US
Propshaft liner
US-2017089422-A1 · Mar 30, 2017 · US
Systems, methods, and apparatus for supported shafts
US-2017082139-A1 · Mar 23, 2017 · US
Tube profile machining process
US-2017028503-A1 · Feb 2, 2017 · US
End fittings for drive shaft assemblies
US-9556929-B2 · Jan 31, 2017 · US
Structural joint with multi-axis load carrying capability
US-9546678-B2 · Jan 17, 2017 · US
Transmission for an electrically driveable axle of a motor vehicle
US-9541121-B2 · Jan 10, 2017 · US
Shaft with adjustable rigidity
US-2016377145-A1 · Dec 29, 2016 · US
Driveshaft assembly
US-9518611-B2 · Dec 13, 2016 · US
Shanks and methods for forming such shanks
US-2016356305-A1 · Dec 8, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16C3/023?
- CPC F16C3/023 is the Cooperative Patent Classification code for “made of several parts, e.g. by welding.”
- How many patents are filed under CPC F16C3/023 (made of several parts, e.g. by welding)?
- Our database includes 355 publications tagged with this CPC code.
- Is patent activity under CPC F16C3/023 growing?
- Publication counts under this code: 39 in 2024 vs 28 in 2025 (latest complete years).