RS

Robert G. Sperry

CU Cummins: 8 patents #123 of 1,560Top 8%
AP Achates Power: 5 patents #18 of 79Top 25%
CS Cummins Emission Solutions: 3 patents #108 of 448Top 25%
CP Cummins Intellectual Property: 1 patents #54 of 116Top 50%
Overall (All Time): #340,205 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12163484 Piston, block assembly, and method for cooling 2024-12-10
12129810 System and method for deburred port holes in a two-stroke engine Jordan E. Kelleher, Jeffrey A. Wheitner, Jeffrey D. Olmstead, Myron T. Rickard, David J. Eckroth 2024-10-29
11691120 Exhaust gas aftertreatment systems Chetan Kishorrao Chawane, Karan Shaileshkumar Chinaiwala, Enoch Nanduru 2023-07-04
11619150 Lubrication fluid storage system with venting 2023-04-04
11555469 Piston bowls Florin Mocanu, Eric M. Osecky, John M. Deur 2023-01-17
D967863 Exhaust gas aftertreatment system Chetan Kishorrao Chawane, Karan Shaileshkumar Chinaiwala, Enoch Nanduru 2022-10-25
D967864 Exhaust gas aftertreatment system Chetan Kishorrao Chawane, Karan Shaileshkumar Chinaiwala, Enoch Nanduru 2022-10-25
11415075 Port shapes for enhanced engine breathing Randall L. Zehr 2022-08-16
11402020 Piston with multiaxial bearing and piston bowl Kevin C. Augustin, Sr., Florin Mocanu, Eric M. Osecky 2022-08-02
11143149 Cobra head air intake ports Terry D. Partridge, Steven L. Leffler, Kartikeya Tyagi, Amit Kulkarni, Pallav Jha 2021-10-12
11098681 Cobra head air intake ports and intake manifolds Terry D. Partridge, Steven L. Leffler, Kartikeya Tyagi, Amit Kulkarni, Pallav Jha 2021-08-24
11047334 Intake chamber air diffusing feature in an opposed-piston engine James R. Shaw 2021-06-29
D877530 In-wall toilet paper container and dispenser 2020-03-10
8950383 Gaseous fuel mixer for internal combustion engine 2015-02-10