Oil Supply System Of An Automatic Transmission Or Automated Manual Transmission In A Powertrain
US-2018347691-A1 · Dec 6, 2018 · US
relating to venting, lubrication, cooling, circulation of the cooling medium
relating to venting, lubrication, cooling, circulation of the cooling medium · 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 | F16H41/30 |
| Official title | relating to venting, lubrication, cooling, circulation of the cooling medium |
| Display label | relating to venting, lubrication, cooling, circulation of the cooling medium |
| Total patents | 147 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 16 |
| 2017 | 16 |
| 2018 | 21 |
| 2019 | 11 |
| 2020 | 22 |
| 2021 | 8 |
| 2022 | 16 |
| 2023 | 11 |
| 2024 | 8 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods and systems for coolant system
US-10124647-B2 · Nov 13, 2018 · US
Hydraulic system for a hydrodynamic machine
US-10071716-B2 · Sep 11, 2018 · US
Torque converter for a motor vehicle
US-10054207-B2 · Aug 21, 2018 · US
Hydraulic system of vehicle transmission device
US-9995383-B2 · Jun 12, 2018 · US
Transmission hydraulic control system including thermal valve
US-9982779-B2 · May 29, 2018 · US
Torque converter and a method for cooling a clutch assembly of the torque converter
US-9970523-B2 · May 15, 2018 · US
Transmission hydraulic control system
US-9951861-B2 · Apr 24, 2018 · US
Methods and systems for coolant system
US-2018087451-A1 · Mar 29, 2018 · US
Methods and systems for coolant system
US-2018087452-A1 · Mar 29, 2018 · US
Methods and systems for coolant system
US-2018087450-A1 · Mar 29, 2018 · US
Drive train device for a motor vehicle and production process for a drive train device
US-9902020-B2 · Feb 27, 2018 · US
Power transfer device
US-9885404-B2 · Feb 6, 2018 · US
Oil cooler for vehicle
US-9863524-B2 · Jan 9, 2018 · US
Torque converter clutch release fluid lubrication
US-9863522-B2 · Jan 9, 2018 · US
Hydrokinetic torque coupling device having turbine-piston lock-up clutch, and related methods
US-9845854-B2 · Dec 19, 2017 · US
Transmission and Hydraulic Control System
US-2017328466-A1 · Nov 16, 2017 · US
Automatic transmission
US-2017305268-A1 · Oct 26, 2017 · US
Torque Converter Device And Method For Controlling A Fluid Circuit Of A Torque Converter Device
US-2017276244-A1 · Sep 28, 2017 · US
Hydraulic system of vehicle transmission device
US-2017268658-A1 · Sep 21, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16H41/30?
- CPC F16H41/30 is the Cooperative Patent Classification code for “relating to venting, lubrication, cooling, circulation of the cooling medium.”
- How many patents are filed under CPC F16H41/30 (relating to venting, lubrication, cooling, circulation of the cooling medium)?
- Our database includes 147 publications tagged with this CPC code.
- Is patent activity under CPC F16H41/30 growing?
- Publication counts under this code: 8 in 2024 vs 5 in 2025 (latest complete years).