LexDanaLexDanabeta
Inventor

PAUL DOUGLAS FREE

Inventor
US

Overview

1→
Patents
2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 1 as inventor

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

B01Dprimary
B01DSeparation33%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general33%
Y02TClimate change mitigation technologies related to transportation33%
PatentTitleYear
11,156,144Reductant delivery systems and methods2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021Patents assigned to CUMMINS EMISSION SOLUTIONS INC (1)· patent assignee history
2021Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CUMMINS EMISSION SOLUTIONS INC12021
Locations
LocationPatentsSpan
US12021