DD

David M. DeChristopher

CA Cnh Industrial America: 23 patents #58 of 1,456Top 4%
CA Cnh America: 17 patents #17 of 777Top 3%
📍 Ephrata, PA: #4 of 139 inventorsTop 3%
🗺 Pennsylvania: #1,055 of 74,527 inventorsTop 2%
Overall (All Time): #75,209 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 1–25 of 41 patents

Patent #TitleCo-InventorsDate
12369512 Agricultural header with foldable transport wheel assembly Renato Ribeiro, Seth Bietz 2025-07-29
12336455 Agricultural raking system and method for automatic settings Martin J. Roberge 2025-06-24
12329052 Agricultural header with dolly carried by gauge wheel arm Seth Bietz, Renato Ribeiro 2025-06-17
11997948 Pivoting safety stop for a ball-jointed cylinder Seth Bietz, Jonathan E. Ricketts, Barry E. Lehman, Joel T. Cook 2024-06-04
11497169 Agricultural vehicle with adjustable pickup Ryan M. Figgins 2022-11-15
11497162 Pivoting action low profile sickle drive Joel T. Cook, Gary L. Bich 2022-11-15
11457564 Torsional stiffness transfer mechanism for a hinged harvester head 2022-10-04
11412658 Torsion balanced harvester head Blaine R. Noll 2022-08-16
11350565 Low profile sickle drive Joel T. Cook, Ryan T. Gahres, Gary L. Bich 2022-06-07
11350558 Harvester head support torque transfer mechanism 2022-06-07
10820495 Knife drive with integral hydraulic motor for a header of an agricultural harvester 2020-11-03
10743465 Center knife drive and roller assembly for an agricultural harvester 2020-08-18
10674657 Direct shaft connected dual center knife drive for an agricultural harvester Joel T. Cook 2020-06-09
10674658 Header for an agricultural harvester having an infeed conveyor connected to a center knife drive 2020-06-09
10653059 Pivoting action low profile sickle drive Joel T. Cook, Gary L. Bich 2020-05-19
10602662 Low profile sickle drive Joel T. Cook, Ryan T. Gahres, Gary L. Bich 2020-03-31
10568259 Center link knife drive for a header of an agricultural harvester Joel T. Cook, John Hinkle, Herb M. Farley, Barry E. Lehman 2020-02-25
10299437 Header for an agricultural vehicle with deformable supports Herbert M. Farley, Benjamin Kemmerer, Blaine R. Noll, Bart M.A. Missotten 2019-05-28
9668407 Pivoting action low profile sickle drive Joel T. Cook, Gary L. Bich 2017-06-06
9545051 Slot driven low profile sickle drive Joel T. Cook, Gary L. Bich, Peter J. Ungs 2017-01-17
9545052 Cam driven low profile sickle drive Joel T. Cook, Gary L. Bich 2017-01-17
9538703 Easily serviceable and removable self-adjusting knife arm and head assembly for a sickle Joel T. Cook, Gary L. Bich, Andrew R. Wilbert, Blaine R. Noll, Craig D. Roberts 2017-01-10
9532502 Low profile sickle drive Joel T. Cook, Ryan T. Gahres, Gary L. Bich 2017-01-03
9168784 Self-propelled windrower tailwheel non-zero caster for stability Benjamin C. Diem, Todd B. Pierce 2015-10-27
8261524 Pickup tine bar linkage John R. McClure 2012-09-11