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Inventor

Stephen M. Larsen

Inventor
Inver Grove Heights, MN, US

Overview

3→
Patents
2009–2019
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B01Dprimary
B01DSeparation50%
C10LFuels not otherwise provided for33%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry17%
PatentTitleYear
10,226,723Liquid filtration media, filter elements and methods20199,056,268'Liquid filtration media, filter elements and methods'20157,488,422'Method and apparatus for separating a target molecule from a liquid mixture'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009Patents assigned to 3M INNOVATIVE PROPERTIES CO (1)· patent assignee history
2009Based in Woodbury, MN, US· patent location history
2015–2019Patents assigned to DONALDSON CO INC (2)· patent assignee history
2015Patents assigned to DALLAS ANDREW J (1)· patent assignee history
2015Patents assigned to DEMA KEH B (1)· patent assignee history
2015Patents assigned to ELSAYED YEHYA A (1)· patent assignee history
2015–2019Based in Inver Grove Heights, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DONALDSON CO INC22015–2019
3M INNOVATIVE PROPERTIES CO12009
DALLAS ANDREW J12015
DEMA KEH B12015
ELSAYED YEHYA A12015
Locations
LocationPatentsSpan
Inver Grove Heights, Minnesota, US22015–2019
Woodbury, Minnesota, US12009