David T. Gerhardt — 3 Patents at Cummins

David T. Gerhardt has been granted 3 US patents while listed as an inventor at Cummins. The first was granted in 2024 and the most recent in August 2025. David T. Gerhardt ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David T. Gerhardt in Seattle, WA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
12391109	Reconfiguration of combustion engine powered haul truck with hybrid hydrogen fuel cell and battery power supply	Joshua M. Sweere, Spencer M. Anunsen, Larissa Y. Kunz, Harlan Thomas Kuo, Alexis R. HUMANN +4 more	2025-08-19
11958352	Reconfiguration of combustion engine powered haul truck with hybrid hydrogen fuel cell and battery power supply	Joshua M. Sweere, Spencer M. Anunsen, Larissa Y. Kunz, Harlan Thomas Kuo, Alexis R. HUMANN +4 more	2024-04-16
11938805	Reconfiguration of diesel-powered haul truck with hybrid hydrogen fuel cell and battery power supply	Joshua M. Sweere, Spencer M. Anunsen, Larissa Y. Kunz, Harlan Thomas Kuo, Alexis R. HUMANN	2024-03-26

David T. Gerhardt — 3 Patents

Issued Patents All Time

Patent Widget