Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Lars Harald Heggen
Drammen
NO
2 patents
2 Patents
US12428174
2025
Hybrid Systems for Drones and Other Modes of Transport
0 cites
US11542878
2023
Zero Emission Propulsion Systems and Generator Sets Using Ammonia as Fuel
0 cites