DL

Donald K. Landphair

JD John Deere: 38 patents #36 of 5,518Top 1%
AC American Cyanamid: 3 patents #469 of 1,554Top 35%
📍 Moline, IL: #2 of 206 inventorsTop 1%
🗺 Illinois: #1,295 of 84,256 inventorsTop 2%
Overall (All Time): #82,206 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 1–25 of 39 patents

Patent #TitleCo-InventorsDate
12127497 Planter row unit downforce control with ground view sensor Jason D. Walter, Michael E. Frasier, Lawrence D. Green, James Liu 2024-10-29
11665990 Work vehicle with ground support unit having non-treaded area aligned with row unit component Nathan A. Mariman 2023-06-06
11490560 Fertilizer meter with motor control and method thereof Cristian T. Prado, Brandon M. McDonald 2022-11-08
11202404 Planter row unit downforce control with ground view sensor Jason D. Walter, Michael E. Frasier, Lawrence D. Green, James Liu 2021-12-21
10143128 Soil moisture-based planter downforce control Michael E. Frasier, James Liu, Jason D. Walter, Lawrence D. Green 2018-12-04
9883626 Controlling an agricultural vehicle based on sensed inputs Brianna L. Heim, Charles T. Graham, James R. Peterson, James Liu 2018-02-06
9801332 System and method for consistent depth seeding to moisture Lawrence D. Green 2017-10-31
9744817 Apparatus and method for automatic tire pressure adjustment Charles T. Graham 2017-08-29
9675004 Soil moisture-based planter downforce control Michael E. Frasier, James Liu, Jason D. Walter, Lawrence D. Green 2017-06-13
9043949 System and method of calibrating the meter of a product distribution machine James Liu 2015-06-02
8948980 Seeding machine for planting multiple seed varieties Elijah B. Garner, Kelby J. KRUEGER, Charles T. Graham 2015-02-03
8863676 Twin-row multiple variety planter and method of use Thomas C. Brockmann, James R. Peterson, David J. Rylander, Michael E. Frasier, Elijah B. Garner 2014-10-21
8695396 Method of calibrating the meter of a product distribution apparatus and monitoring method James Liu, Lawrence D. Green, James J. Phelan, Samuel Santiago 2014-04-15
8577561 Control system and method of operating a product distribution machine Lawrence D. Green 2013-11-05
8522700 Air seeder with GPS based on/off control of individual row units 2013-09-03
8504310 Particulate flow sensing for an agricultural implement James J. Phelan, James Liu 2013-08-06
8365679 Seed spacing monitoring system for use in an agricultural seeder James Liu 2013-02-05
RE43772 Seed tube for an agricultural seeding machine Nathan A. Mariman, Mark Sommer, James R. Peterson, William G. Bultinck 2012-10-30
7765943 Dual function seed meter Donald Raymond Wisor, Jeffrey C. Schick, James Irwin Lodico 2010-08-03
7647875 Seed hopper and routing structure for varying material delivery to row units Christopher Allen Myers, Patrick Eugene Pinkston, Richard Hugo Clark, Chris Warren Foster, Chad Erik Braden +1 more 2010-01-19
7472660 Seed tube for an agricultural seeding machine Nathan A. Mariman, Mark Sommer, James R. Peterson, William G. Bultinck 2009-01-06
7418908 Seed hopper and routing structure for varying material delivery to row units Christopher Allen Myers, Patrick Eugene Pinkston, Richard Hugo Clark, Chris Warren Foster, Chad Erik Braden +1 more 2008-09-02
7273016 Variable speed drive for agricultural seeding machines Christopher Allen Myers 2007-09-25
7213525 Nozzle assembly for product-on-demand delivery system Bradley John Meyer 2007-05-08
6725788 Pneumatic coupler for an agricultural seeding machine Scott C. McCartney, Robert W. Martin, Nathan A. Mariman 2004-04-27