Valve opening and closing timing control apparatus
US-2018371964-A1 · Dec 27, 2018 · US
specially adapted to allow radial displacement, e.g. Oldham couplings
specially adapted to allow radial displacement, e.g. Oldham couplings · 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 | F16D3/04 |
| Official title | specially adapted to allow radial displacement, e.g. Oldham couplings |
| Display label | specially adapted to allow radial displacement, e.g. Oldham couplings |
| Total patents | 195 |
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 | 11 |
| 2016 | 11 |
| 2017 | 27 |
| 2018 | 19 |
| 2019 | 19 |
| 2020 | 38 |
| 2021 | 20 |
| 2022 | 17 |
| 2023 | 13 |
| 2024 | 11 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Laundry treating apparatus
US-10125445-B2 · Nov 13, 2018 · US
Powertrain structure including torque damper disposed between drive and driven shafts
US-10024384-B2 · Jul 17, 2018 · US
Torque transfer in laterally engaging drive couplers exhibiting axial misalignment with driven couplers
US-9982722-B2 · May 29, 2018 · US
Clutch arrangement
US-9964157-B2 · May 8, 2018 · US
Oldham coupling
US-2018112717-A1 · Apr 26, 2018 · US
Electrophotographic image forming apparatus, developing apparatus, and coupling member
US-9939776-B2 · Apr 10, 2018 · US
Motor device having transmission member that is movable relative to motor side coupling part and worm gear side coupling part
US-9923428-B2 · Mar 20, 2018 · US
Electrophotographic image forming apparatus, developing apparatus, and coupling member
US-9886002-B2 · Feb 6, 2018 · US
Compact metal and plastic oldham coupler with an integral gear on an input plate and a retraction spline on an output plate
US-9879730-B2 · Jan 30, 2018 · US
Oldham coupling for a scroll compressor
US-2018023393-A1 · Jan 25, 2018 · US
Helical Drive Coupling
US-2017370419-A1 · Dec 28, 2017 · US
Electrophotographic image forming apparatus, developing apparatus, and coupling member
US-9851688-B2 · Dec 26, 2017 · US
Electrophotographic image forming apparatus, developing apparatus, and coupling member
US-9851685-B2 · Dec 26, 2017 · US
Coolant application device
US-2017355054-A1 · Dec 14, 2017 · US
Image forming apparatus cartridge having changeable relative positioning of a coupling member and another part of the image forming apparatus cartridge
US-9841724-B2 · Dec 12, 2017 · US
Electrophotographic image forming apparatus, developing apparatus, and coupling member
US-9836015-B2 · Dec 5, 2017 · US
Electrophotographic image forming apparatus, developing apparatus, and coupling member
US-9817333-B2 · Nov 14, 2017 · US
Drive transmission apparatus and image forming apparatus
US-2017293248-A1 · Oct 12, 2017 · US
Watch transmission device
US-2017269550-A1 · Sep 21, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D3/04?
- CPC F16D3/04 is the Cooperative Patent Classification code for “specially adapted to allow radial displacement, e.g. Oldham couplings.”
- How many patents are filed under CPC F16D3/04 (specially adapted to allow radial displacement, e.g. Oldham couplings)?
- Our database includes 195 publications tagged with this CPC code.
- Is patent activity under CPC F16D3/04 growing?
- Publication counts under this code: 11 in 2024 vs 7 in 2025 (latest complete years).