Traction coupling
US-12409870-B2 · Sep 9, 2025 · US
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Lubrication systems (in general F16N)
Lubrication systems (in general F16N) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B61C17/08 |
| Official title | Lubrication systems (in general F16N) |
| Display label | Lubrication systems (in general F16N) |
| Total patents | 9 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 2 |
| 2019 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gear case fluid sensor
US-12345557-B2 · Jul 1, 2025 · US
Locomotive sensor system for monitoring engine and lubricant health
US-2025035608-A1 · Jan 30, 2025 · US
Gear case fluid sensor
US-2023113394-A1 · Apr 13, 2023 · US
Traction coupling
US-2022153319-A1 · May 19, 2022 · US
Locomotive sensor system for monitoring engine and lubricant health
US-2019156600-A1 · May 23, 2019 · US
Traction motor with self-contained drive end bearing lubrication
US-9718479-B2 · Aug 1, 2017 · US
Traction Motor with Self-Contained Drive End Bearing Lubrication
US-2017057523-A1 · Mar 2, 2017 · US
Locomotive Traction Motor Bearing with Separate Lubricant Reservoir
US-2016185361-A1 · Jun 30, 2016 · US