Hydraulic control system for an automatic transmission having default gears applied through a clutch hydraulic exhaust circuit
US-10161508-B2 · Dec 25, 2018 · US
hydrostatic
hydrostatic · 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 | F16H61/40 |
| Official title | hydrostatic |
| Display label | hydrostatic |
| Total patents | 184 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 20 |
| 2017 | 28 |
| 2018 | 24 |
| 2019 | 22 |
| 2020 | 28 |
| 2021 | 13 |
| 2022 | 10 |
| 2023 | 9 |
| 2024 | 12 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Transmission ratio control systems and methods
US-9950709-B2 · Apr 24, 2018 · US
Method and device for controlling automatic transmission
US-2017335953-A1 · Nov 23, 2017 · US
Hydraulic control system for automatic transmission of vehicle
US-9822872-B2 · Nov 21, 2017 · US
Transmission and Hydraulic Control System
US-2017328466-A1 · Nov 16, 2017 · US
Transmission Combination, Traction Drive and Method for Controlling the Transmission Combination
US-2017314673-A1 · Nov 2, 2017 · US
Rotary variator for a continuously variable transmission
US-9803728-B2 · Oct 31, 2017 · US
Hydrostatic Traction Drive and Vehicle with Such a Hydrostatic Traction Drive
US-2017292604-A1 · Oct 12, 2017 · US
System and method for controlling pump performance in a transmission
US-2017284541-A1 · Oct 5, 2017 · US
Power-Transmitting Mechanism with Rolling-Element Bearing
US-2017284459-A1 · Oct 5, 2017 · US
Hydraulic system for work machine
US-2017284063-A1 · Oct 5, 2017 · US
Electronic transmission range selection subsystem in a hydraulic control system for an automatic transmission
US-9772033-B2 · Sep 26, 2017 · US
Hydraulic control system for an automatic transmission
US-2017268666-A1 · Sep 21, 2017 · US
Hydraulic Control Device for an Automatic Transmission
US-2017268659-A1 · Sep 21, 2017 · US
Hydraulic control system
US-2017248178-A1 · Aug 31, 2017 · US
Automatic transmission
US-2017241546-A1 · Aug 24, 2017 · US
Work vehicle
US-2017240175-A1 · Aug 24, 2017 · US
Transmission and hydraulic control system
US-9732847-B2 · Aug 15, 2017 · US
Transmission device and method for operating the same
US-2017211694-A1 · Jul 27, 2017 · US
Shift control method and system for hybrid vehicle
US-9709167-B2 · Jul 18, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16H61/40?
- CPC F16H61/40 is the Cooperative Patent Classification code for “hydrostatic.”
- How many patents are filed under CPC F16H61/40 (hydrostatic)?
- Our database includes 184 publications tagged with this CPC code.
- Is patent activity under CPC F16H61/40 growing?
- Publication counts under this code: 12 in 2024 vs 7 in 2025 (latest complete years).