DC

David L. Cox

Caterpillar: 16 patents #275 of 8,398Top 4%
QT Qtm: 2 patents #5 of 6Top 85%
Overall (All Time): #243,899 of 4,157,543Top 6%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12359396 Damage avoidance systems and methods for motor grader scarifiers Michael C. Gentle, Ethan M. Tevis 2025-07-15
12209385 Circle drive system for a grading machine Nathaniel K. Harshman, Benjamin J. Kovalick, Bruce Raymond Vahling 2025-01-28
12152368 Systems and methods for automatic moldboard positioning Michael C. Gentle, Ethan M. Tevis 2024-11-26
12123163 Mounting assembly Bruce Raymond Vahling 2024-10-22
12050079 Archery mounting assembly and method Daniel A. Summers, Kevin S. Fry, Jason Lynch, Andrew Oliver 2024-07-30
12018453 Retention assembly for grader machine blade Nathaniel K. Harshman, James David Costner, III, Benjamin J. Kovalick, Tanner Cade Koehne 2024-06-25
11821707 Archery adapter Daniel A. Summers, Kevin S. Fry, Jason Lynch, Andrew Oliver 2023-11-21
11603642 Pin for coupler assemblies Nathan Tissier, Nathaniel K. Harshman 2023-03-14
11598068 Drawbar assembly for a motor grader Davida Ray Reang, Benjamin J. Kovalick 2023-03-07
11421397 Wear plate for a blade 2022-08-23
11352762 Coupler assembly to rotatably couple brackets to beams Nathan Tissier, Nathaniel K. Harshman 2022-06-07
11268258 Extendable scarifier system Benjamin J. Kovalick, Rena J. Kanegae, Nathan Tissier, Nathaniel K. Harshman 2022-03-08
11230820 Circle drive system for a grading machine Nathaniel K. Harshman, Benjamin J. Kovalick, Bruce Raymond Vahling 2022-01-25
11041286 Retention assembly for grader machine blade Nathaniel K. Harshman, James David Costner, III, Benjamin J. Kovalick, Tanner Cade Koehne 2021-06-22
10889960 Mounting assembly Bruce Raymond Vahling 2021-01-12
10844573 Mounting assembly James David Costner, III 2020-11-24
10774503 Motor grader with mid-mount scarifier system Benjamin J. Kovalick, Bruce Raymond Vahling 2020-09-15
10458081 Work attachment for motor grader Sean M. Hayes, Benjamin J. Kovalick, Nathaniel K. Harshman 2019-10-29