DJ

Donald O. Johannsen

JD John Deere: 11 patents #385 of 5,518Top 7%
📍 Dubuque, IA: #66 of 571 inventorsTop 15%
🗺 Iowa: #1,336 of 15,303 inventorsTop 9%
Overall (All Time): #459,035 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
9988793 Actuator rod scraper assembly Bradley C. Dauderman, Marvin D. Van Ee, Zachary R. Sopher, Steven C. Gibbs 2018-06-05
9835186 Hydraulic flushing system and method Bradley C. Dauderman, John R. Mahrenholz, Chris J. Schaub, Kyle S. Droessler, Brian J. Althoff +2 more 2017-12-05
9228875 Liquid level detection system for a driveline component Joseph F. Lingle, Bruce L. Upchurch, Keith N. Chaston 2016-01-05
8499659 Gearbox with multi-function quill Ryan Benson, Denis J. Roling 2013-08-06
8453499 Motor shaft speed sensor arrangement Frank Kukuczka, Jim Mechowski, Troy Olsen 2013-06-04
8146925 Face seal break-in compound Timothy Bernard French, Megan Emley Weston 2012-04-03
6212971 Vibration isolated shift lever Joseph R. Rucinski 2001-04-10
4947974 Fast fill hydraulic clutch Alfred S. Smemo 1990-08-14
RE31107 Feedback shaft extending between swashplate and displacement control valve John J. Kass 1982-12-21
4229144 Feedback shaft extending between swashplate and displacement control valve John J. Kass 1980-10-21
4211079 Positive neutral control for hydrostatic transmission Arvid H. Saele 1980-07-08