PK

Paul L. Kojetin

DC Donaldson Company: 12 patents #102 of 695Top 15%
📍 Rosemount, MN: #18 of 204 inventorsTop 9%
🗺 Minnesota: #6,285 of 52,454 inventorsTop 15%
Overall (All Time): #405,444 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
12172111 Filter medium and breather filter structure Robert M. Rogers, Keh B. Dema, Brad E. Kahlbaugh, Linda M. Olson, Chuanfang Yang +5 more 2024-12-24
RE50226 Filter medium and structure Brad E. Kahlbaugh, Keh B. Dema, Linda M. Olson, Joe Israel, Derek O. Jones +5 more 2024-12-03
11504663 Filter medium and breather filter structure Robert M. Rogers, Keh B. Dema, Brad E. Kahlbaugh, Linda M. Olson, Chuanfang Yang +5 more 2022-11-22
RE49097 Filter medium and structure Brad E. Kahlbaugh, Keh B. Dema, Linda M. Olson, Joe Israel, Derek O. Jones +5 more 2022-06-07
10610813 Filter medium and breather filter structure Robert M. Rogers, Keh B. Dema, Brad E. Kahlbaugh, Linda M. Olson, Chuanfang Yang +5 more 2020-04-07
RE47737 Filter medium and structure Brad E. Kahlbaugh, Keh B. Dema, Linda M. Olson, Joe Israel, Derek O. Jones +5 more 2019-11-26
9795906 Filter medium and breather filter structure Robert M. Rogers, Keh B. Dema, Brad E. Kahlbaugh, Linda M. Olson, Chuanfang Yang +5 more 2017-10-24
8460424 Aerosol separator; and method Robert M. Rogers, Brad E. Kahlbaugh, Keh B. Dema 2013-06-11
8404014 Aerosol separator Joseph Israel, Eugene F Dunn, III, Keh B. Dema, Robert M. Rogers, Lorraine Keating-Klika 2013-03-26
8177875 Aerosol separator; and method Robert M. Rogers, Brad E. Kahlbaugh, Keh B. Dema 2012-05-15
6077335 Filter and method for making a filter Kirk A. Schneider, Henry J. Drasner, III, Allan L. Liebrenz, Katsushi Isogawa, Stanley B. Miller, III +3 more 2000-06-20
5997618 Filter and method for making a filter Kirk A. Schneider, Henry J. Drasner, III, Allan L. Liebrenz, Katsushi Isogawa, Stanley B. Miller, III +3 more 1999-12-07