Inventor
John Zeilstra
Inventor
Chicago, IL, US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Nprimary
F01NGas-flow silencers or exhaust apparatus for machines or engines in general38%
Y02TClimate change mitigation technologies related to transportation38%
F02DControlling combustion engines13%
Y02ATechnologies for adaptation to climate change13%
PatentTitleYear
9,334,774'Control system and method for preventing hydrocarbon slip during particulate matter filter regeneration'20168,424,290'Method and system for controlling an engine during diesel particulate filter regeneration at idle conditions'20138,215,294'Method and system for controlling an engine during diesel particulate filter regeneration warm-up'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2016Patents assigned to GM GLOBAL TECH OPERATIONS INC (3)· patent assignee history
2012–2016Patents assigned to TAN JULIAN C (3)· patent assignee history
2012–2016Patents assigned to TEPEDINO GUSTAVO (3)· patent assignee history
2012–2016Patents assigned to THOELE CHRISTOPH (3)· patent assignee history
2012–2016Patents assigned to ZEILSTRA JOHN (3)· patent assignee history
2012–2016Based in Chicago, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GM GLOBAL TECH OPERATIONS INC | 3 | 2012–2016 |
| TAN JULIAN C | 3 | 2012–2016 |
| TEPEDINO GUSTAVO | 3 | 2012–2016 |
| THOELE CHRISTOPH | 3 | 2012–2016 |
| ZEILSTRA JOHNself | 3 | 2012–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chicago, Illinois, US | 3 | 2012–2016 |