Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JR

Jean Roy — 8 Patents

TETecogen: 7 patents #2 of 27Top 8%
ACAutomobile Citroën: 1 patents #51 of 192Top 30%
APAutomobiles Peugeot: 1 patents #51 of 198Top 30%
Waltham, MA: #315 of 1,656 inventorsTop 20%
Massachusetts: #16,020 of 88,656 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Jean Roy has been granted 8 US patents while listed as an inventor at Tecogen. The first was granted in 1999 and the most recent in September 2020. Jean Roy ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Jean Roy in Waltham, MA, US.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10774724 Dual stage internal combustion engine aftertreatment system using exhaust gas intercooling and charger driven air ejector Ahmed F. Ghoniem, Robert A. Panora, Joseph Gehret 2020-09-15
10774720 NOx reduction without urea using a dual stage catalyst system with intercooling in vehicle gasoline engines Ahmed F. Ghoniem 2020-09-15
9956526 Poison-resistant catalyst and systems containing same Robert A. Panora, Daniel Ott, David Wallace 2018-05-01 $1,066,000
9856767 Systems and methods for reducing emissions in exhaust of vehicles and producing electricity 2018-01-02 $843,000
9702306 Internal combustion engine controller Joseph Gehret, Jian Wen 2017-07-11 $1,038,000
9631534 Assembly and method for reducing nitrogen oxides, carbon monoxide, hydrocarbons and hydrogen gas in exhausts of internal combustion engines and producing an electrical output Robert A. Panora, Joseph Gehret, Ranson Roser 2017-04-25 $1,225,000
9470126 Assembly and method for reducing ammonia in exhaust of internal combustion engines Joseph Gehret, Robert A. Panora, Ranson Roser 2016-10-18 $1,760,000
5971479 Infant vehicle seat Pierre Jacquemot 1999-10-26