Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Gregory T. Roth — 18 Patents

Delphi Technologies: 9 patents #304 of 4,124Top 8%
DLDelphi Technologies Ip Limited: 8 patents #3 of 322Top 1%
KSKatcon Global S.A.: 1 patents #3 of 12Top 25%
Davison, MI: #4 of 153 inventorsTop 3%
Michigan: #4,731 of 86,293 inventorsTop 6%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
Gregory T. Roth has been granted 18 US patents while listed as an inventor at Delphi Technologies. The first was granted in 2001 and the most recent in September 2023. Gregory T. Roth ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Gregory T. Roth in Davison, MI, US.

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11745738 System and method for controlling a propulsion system inverter 2023-09-05
11655738 GDCI engine with accelerated oil warm-up 2023-05-23
11454608 Particulate matter detection system and method Gerard W. Malaczynski 2022-09-27
11060497 Cold start strategy and system for gasoline direct injection compression ignition engine Mark C. Sellnau 2021-07-13
10329989 Particulate matter detection system and method Gerard W. Malaczynski 2019-06-25
10329987 Particulate matter sensor signal correction Gerard W. Malaczynski 2019-06-25
10233850 Supervisory control of a compression ignition engine Gary C. Fulks, Andrew Fedewa, Xiaojian Yang, Donald V. Johnson 2019-03-19
10047692 GDCI cold start misfire prevention Gary C. Fulks, Andrew Fedewa 2018-08-14
9410509 Adaptive individual-cylinder thermal state control using intake air heating for a GDCI engine Mark C. Sellnau 2016-08-09
8997698 Adaptive individual-cylinder thermal state control using piston cooling for a GDCI engine Harry Husted, Mark C. Sellnau 2015-04-07
8823401 Particulate matter sensor with two pairs of sensing electrodes and methods of using same Lary R. Hocken 2014-09-02
8110154 Exhaust treatment device with sensor and method of making Edward A. Owezarch, Robert A. Sarsfield 2012-02-07
6919051 Low profile, integrated catalytic converter and flexible coupling assembly 2005-07-19 $4,034,000
6916449 Exhaust treatment device and process for forming the same Robert A. Sarsfield, James T. Harris 2005-07-12 $2,554,000
6824745 Integrated catalytic converter and flexible endcone assembly 2004-11-30 $4,167,000
6623704 Apparatus and method for manufacturing a catalytic converter 2003-09-23 $1,664,000
6553973 Fuel tank cover and filter assembly for fuel tank Timothy F. Coha, Jill Marie Coha 2003-04-29 $4,531,000
6182693 Vapor canister and fuel tank assembly Gary Francis Stack, Michael P. Murphy 2001-02-06 $17,769,000