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Inventor

Roger L. Leisenring, Jr.

Inventor
Downingtown, PA, US

Overview

4→
Patents
1986–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C10Gprimary
C10GCracking hydrocarbon oils21%
C10LFuels not otherwise provided for21%
Y02PClimate change mitigation technologies in the production or processing of goods21%
F02BInternal-combustion piston engines14%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general7%
PatentTitleYear
10,329,507Composition for reducing polynuclear aromatic hydrocarbon emissions20199,624,446'Low temperature property value reducing compositions'20179,051,525'Composition for reducing polynuclear aromatic hydrocarbon emissions'20154,600,562'Method and apparatus for filtering engine exhaust gas'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Based in Hopewell Junction, NY, US· patent location history
2015Patents assigned to KIOR INC (1)· patent assignee history
2015Based in Downington, PA, US· patent location history
2017–2019Patents assigned to INAERIS TECH LLC (2)· patent assignee history
2017Patents assigned to LEISENRING JR ROGER L (1)· patent assignee history
2017Patents assigned to SANCHEZ VICENTE (1)· patent assignee history
2017–2019Based in Downingtown, PA, US· patent location history
2019Patents assigned to INAERIS TECH INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
INAERIS TECH LLC22017–2019
INAERIS TECH INC12019
KIOR INC12015
LEISENRING JR ROGER Lself12017
SANCHEZ VICENTE12017
Locations
LocationPatentsSpan
Downingtown, Pennsylvania, US22017–2019
Downington, Pennsylvania, US12015
Hopewell Junction, New York, US11986