JR

Jim C. Rothman

DC Donaldson Company: 29 patents #31 of 695Top 5%
📍 Aurora, MN: #1 of 11 inventorsTop 10%
🗺 Minnesota: #2,073 of 52,454 inventorsTop 4%
Overall (All Time): #129,582 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
12053734 Filter element, dust collector, and methods Thomas D. Raether, Brian Zauner 2024-08-06
11318408 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Richard Lawrence Suydam 2022-05-03
10946322 Filter element, dust collector, and methods Thomas D. Raether, Brian Zauner 2021-03-16
10589209 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Richard Lawrence Suydam 2020-03-17
10137396 Filter element, dust collector, and methods Thomas D. Raether, Brian Zauner 2018-11-27
10010825 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Richard Lawrence Suydam 2018-07-03
9283503 Filter element, dust collector, and methods Thomas D. Raether, Brian Zauner 2016-03-15
9217399 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Richard Lawrence Suydam 2015-12-22
RE45588 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Richard Lawrence Suydam 2015-06-30
8808417 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Richard Lawrence Suydam 2014-08-19
8460442 Fluted filter media Wayne M. Wagner, Gary R. Gillingham, Joseph C. Tokar, Daniel T. Risch, Fred H. Wahlquist +4 more 2013-06-11
8382875 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary Ray Gilingham, Richard Lawrence Suydam 2013-02-26
8268053 Fluted filter media Wayne M. Wagner, Gary R. Gillingham, Joseph C. Tokar, Daniel T. Risch, Fred H. Wahlquist +4 more 2012-09-18
8147582 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Richard Lawrence Suydam 2012-04-03
7972405 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Richard Lawrence Suydam 2011-07-05
7967898 Z-filter media with reverse-flow cleaning systems and methods Timothy D. Sporre, Michael Handley, Thomas D. Raether 2011-06-28
7682416 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Richard Lawrence Suydam 2010-03-23
7351270 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Richard Lawrence Suydam 2008-04-01
7338544 Z-filter media with reverse-flow cleaning systems and methods Timothy D. Sporre, Michael Handley, Thomas D. Raether 2008-03-04
7329326 Method of making a fluted filter media for air filter Wayne M. Wagner, Gary R. Gillingham, Joseph C. Tokar, Daniel T. Risch, Fred H. Wahlquist +4 more 2008-02-12
7323029 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Richard Lawrence Suydam 2008-01-29
7282075 Z-filter media with reverse-flow cleaning systems and methods Timothy D. Sporre, Michael Handley, Thomas D. Raether 2007-10-16
D428128 Conical filter Gary R. Gillingham, Wayne M. Wagner, Joseph C. Tokar, Daniel T. Risch, Steven A. Carter 2000-07-11
5902364 Conical filter Joseph C. Tokar, Gary R. Gillingham, Wayne M. Wagner, Daniel T. Risch, Fred H. Wahlquist +2 more 1999-05-11
D399944 Conical filter Gary R. Gillingham, Wayne M. Wagner, Joseph C. Tokar, Daniel T. Risch, Steven A. Carter 1998-10-20