DH

David J. Hockemeyer

DT Degroff Aviation Technologies: 5 patents #1 of 4Top 25%
Overall (All Time): #793,221 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12066456 System for ensuring failsafe operation of pitot tube covers for multiple types of pitot tubes Steven A. DeGroff, Phillip R. Russell 2024-08-20
11953516 System for ensuring failsafe operation of pitot tube covers for multiple types of pitot tubes Steven A. DeGroff, Phillip R. Russell 2024-04-09
11919130 Tool for installation and/or removal of a pitot tube cover Steven A. DeGroff, Phillip R. Russel 2024-03-05
11740257 System for ensuring failsafe operation of pitot tube covers for multiple types of pitot tubes Steven A. DeGroff, Phillip R. Russell 2023-08-29
11629807 Drainage tile inspection system Austin Ehle 2023-04-18
11480586 System for ensuring failsafe operation of pitot tube covers for multiple types of pitot tubes Steven A. DeGroff, Phillip R. Russell 2022-10-25