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Inventor

Don Harold

Inventor
Prior Lake, MN, US

Overview

9→
Patents
1999–2008
Patent span
Performing operations
Primary field (CPC B)

Patents· 9 as inventor

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

B01Dprimary
B01DSeparation89%
LOC2311%
PatentTitleYear
7,455,707'Reverse flow air filter arrangement and method'20086,521,009'Reverse flow air filter arrangement and method'20036,413,289'Reverse flow air filter arrangement'20026,322,602'Reverse flow air filter arrangement'20016,258,145'Reverse flow air filter arrangement'2001D0425977'Inside surface of a filter element having insert construction'20006,004,366'Reverse flow air filter arrangement and method'19995,938,804'Reverse flow air filter arrangement and method'19995,897,676'Reverse flow air filter arrangement and method'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2008Patents assigned to DONALDSON CO INC (9)· patent assignee history
1999–2008Based in Prior Lake, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DONALDSON CO INC91999–2008
Locations
LocationPatentsSpan
Prior Lake, Minnesota, US91999–2008