SL

Stephen M. Larsen

DC Donaldson Company: 4 patents #253 of 695Top 40%
3M: 1 patents #7,233 of 11,543Top 65%
📍 Inver Grove Heights, MN: #77 of 287 inventorsTop 30%
🗺 Minnesota: #13,602 of 52,454 inventorsTop 30%
Overall (All Time): #914,170 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12350613 Liquid filtration media, filter elements and methods Derek O. Jones, Keh B. Dema, Mike J. Madsen, Andrew J. Dallas, Yehya A. Elsayed +1 more 2025-07-08
11565206 Liquid filtration media, filter elements and methods Derek O. Jones, Keh B. Dema, Mike J. Madsen, Andrew J. Dallas, Yehya A. Elsayed +1 more 2023-01-31
10226723 Liquid filtration media, filter elements and methods Derek O. Jones, Keh B. Dema, Mike J. Madsen, Andrew J. Dallas, Yehya A. Elsayed +1 more 2019-03-12
9056268 Liquid filtration media, filter elements and methods Derek O. Jones, Keh B. Dema, Mike J. Madsen, Andrew J. Dallas, Yehya A. Elsayed +1 more 2015-06-16
7488422 Method and apparatus for separating a target molecule from a liquid mixture Andrew W. Rabins, Kelly J. Gibbens, Masayuki Nakamura, Kannan Seshadri, Robert T. Fitzsimons, Jr. +1 more 2009-02-10