Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ralph Wayne Cunningham — 128 Patents

Ford: 127 patents #69 of 17,473Top 1%
Milan, MI: #1 of 94 inventorsTop 2%
Michigan: #145 of 86,293 inventorsTop 1%
Overall (All Time): #8,696 of 4,157,543Top 1%
128 Patents All Time
Ralph Wayne Cunningham has been granted 128 US patents while listed as an inventor at Ford. The first was granted in 1980 and the most recent in May 2025. Ralph Wayne Cunningham ranks #8,696 of 4,157,543 US inventors in our database (top 0.21%). Patent records list Ralph Wayne Cunningham in Milan, MI, US.

Issued Patents All Time

Showing 1–25 of 128 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12305601 System and method for restarting an engine Maruthi Ravichandran, Calvin Trescott, Nicholas David Moore, Rajit Johri, Naginder Gogna 2025-05-20
11628818 Methods and system for stopping an engine of a hybrid vehicle Yanan Zhao, Christopher John Teslak, Stuart N. Ford, Judhajit Roy, Chenliu Stephen Lu +1 more 2023-04-18 $13,247,000
11339740 Methods and system for managing fuel cut off for hybrid vehicles Yanan Zhao, Judhajit Roy, Christopher John Teslak, Rajit Johri, Mark Steven Yamazaki 2022-05-24 $21,595,000
11136011 Method and system for vehicle control Ross Dykstra Pursifull 2021-10-05 $19,725,000
11118552 Method and system for engine control Ross Dykstra Pursifull 2021-09-14 $14,764,000
11066062 Systems and methods for reducing engine compression torque Joseph Norman Ulrey, William C. Cole, Brad Alan Boyer, Ross Dykstra Pursifull 2021-07-20 $14,615,000
10953723 Vehicle climate control method Ross Dykstra Pursifull 2021-03-23 $9,186,000
10895206 Method and system for engine idle speed control Ross Dykstra Pursifull 2021-01-19 $24,673,000
10677196 Method for increasing vacuum production for a vehicle Ross Dykstra Pursifull 2020-06-09 $12,828,000
10611376 Methods and system for decelerating a vehicle Ross Dykstra Pursifull 2020-04-07 $4,331,000
10569780 Powertrain lash management Ross Dykstra Pursifull 2020-02-25 $3,146,000
10543842 System and method for generating vacuum via an engine Ross Dykstra Pursifull, Russ William Ferguson 2020-01-28 $4,936,000
10518780 Methods and system for operating a vehicle Zhengyu Dai, Yang Xu, Sathish Atluri, Ross Dykstra Pursifull 2019-12-31
10450941 Engine cooling system and method Joseph Norman Ulrey, Ross Dykstra Pursifull 2019-10-22
10393036 Methods and system for operating an engine Ross Dykstra Pursifull 2019-08-27
10322725 Powertrain lash management Ross Dykstra Pursifull 2019-06-18 $6,003,000
10207709 Method for preventing wheel spin on stopped vehicles Ross Dykstra Pursifull 2019-02-19 $4,287,000
10202912 System and method for reducing variable compression ratio engine shutdown shake Christopher Paul Glugla 2019-02-12 $5,357,000
10202911 Method and system for an engine for detection and mitigation of insufficient torque Ross Dykstra Pursifull, Jamie Charles Hanshaw 2019-02-12 $5,357,000
10202120 Methods and system for decelerating a vehicle Ross Dykstra Pursifull 2019-02-12 $5,357,000
10086840 Methods and system for operating a vehicle Zhengyu Dai, Yang Xu, Sathish Atluri, Ross Dykstra Pursifull 2018-10-02 $2,827,000
10065618 Vehicle braking system and method Ross Dykstra Pursifull 2018-09-04 $2,865,000
10017182 System and method for controlling a torque converter clutch Ross Dykstra Pursifull, Donald J. Lewis 2018-07-10 $3,752,000
10011283 System and method for driving vehicle accessories Ross Dykstra Pursifull, Michael E. Reibling, Steven Michael Cyr, Ray C. Siciak 2018-07-03 $3,979,000
10005463 System and method for generating vacuum via an engine Ross Dykstra Pursifull, Russ William Ferguson 2018-06-26 $3,743,000