RS

Richard Lawrence Suydam

DC Donaldson Company: 14 patents #84 of 695Top 15%
📍 River Falls, WI: #23 of 221 inventorsTop 15%
🗺 Wisconsin: #3,173 of 40,088 inventorsTop 8%
Overall (All Time): #343,641 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
11318408 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Jim C. Rothman 2022-05-03
10589209 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Jim C. Rothman 2020-03-17
10010825 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Jim C. Rothman 2018-07-03
9217399 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Jim C. Rothman 2015-12-22
RE45588 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Jim C. Rothman 2015-06-30
8808417 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Jim C. Rothman 2014-08-19
8382876 Air cleaner arrangement; serviceable filter cartridge; and, methods Robert Widerski, Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham 2013-02-26
8382875 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary Ray Gilingham, Jim C. Rothman 2013-02-26
8147582 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Jim C. Rothman 2012-04-03
8048188 Air cleaner arrangements; serviceable filter cartridge; and, methods Robert Widerski, Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham 2011-11-01
7972405 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Jim C. Rothman 2011-07-05
7682416 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Jim C. Rothman 2010-03-23
7351270 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Jim C. Rothman 2008-04-01
7323029 Air cleaner arrangements; serviceable filter elements; and, methods Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Jim C. Rothman 2008-01-29