Patents/Inventors

Olof Hjortstam

VästeråsSE5 patents

5 Patents

US120208592024
High-voltage Column Current Transformer
HITACHI ENERGY Ltd
0 cites
US119231082024
Insulator Shed Having Non-circular Tip
HITACHI ENERGY Ltd
0 cites
US117987112023
Insulator with Resistivity Gradient
HITACHI ENERGY SWITZERLAND AG
0 cites
US117696082023
MFC in Pressboards for HV Devices
HITACHI ENERGY SWITZERLAND AG
0 cites
US117155882023
Insulator Having Internal Cooling Channels
Hitachi Energy Switzerland AG
0 cites