Inventor
James Ulstad
Inventor
Edwards, IL, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Dprimary
F02DControlling combustion engines57%
Y02TClimate change mitigation technologies related to transportation29%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general14%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2020–2021Patents assigned to CATERPILLAR INC (4)· patent assignee history
2020–2021Based in Edwards, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CATERPILLAR INC | 4 | 2020–2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Edwards, Illinois, US | 4 | 2020–2021 |