Inventor
Paul D. Stroom
Inventor
Minneapolis, MN, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests28%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general22%
Y02TClimate change mitigation technologies related to transportation22%
B01DSeparation17%
F02BInternal-combustion piston engines6%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact6%
PatentTitleYear
7,501,099'Hybrid mounting system for pollution control devices'20096,613,294'Hybrid mounting system for pollution control devices'20036,245,301'Catalytic converter and diesel particulate filter'20015,882,608'Hybrid mounting system for pollution control devices'19994,040,474'High efficiency heat exchanger with ceramic rotor'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1999Patents assigned to MINNESOTA MINING & MFG (2)· patent assignee history
1977–2009Based in Minneapolis, MN, US· patent location history
2001–2009Patents assigned to 3M INNOVATIVE PROPERTIES CO (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| 3M INNOVATIVE PROPERTIES CO | 3 | 2001–2009 |
| MINNESOTA MINING & MFG | 2 | 1977–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Minneapolis, Minnesota, US | 5 | 1977–2009 |