Inventor

GRAAS FREDRIK

SE2 patents

⚠️ This page may combine multiple inventors who share the name “GRAAS FREDRIK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI ENERGY SWITZERLAND AG

1 patent

US11769618B2Sep 26, 2023

Electrical induction device with contact arrangement for electrically contacting an electrical conductor

HITACHI ENERGY SWITZERLAND AG0 citations50

HITACHI ENERGY LTD

1 patent

US12142392B2Nov 12, 2024

Draw-rod bushing with sealed bottom contact

HITACHI ENERGY LTD0 citations40