USD951187SActiveUtility

Three-phase frequency converter

26
Assignee: ABB BEIJING DRIVE SYSTEMS CO LTDPriority: Jan 17, 2020Filed: Apr 7, 2020Granted: May 10, 2022
Est. expiryJan 17, 2040(~13.5 yrs left)· nominal 20-yr term from priority
Inventors:Yan-Fei LiuQuanhong ZhouHua Zhao
26
PatentIndex Score
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Cited by
9
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a three-phase frequency converter, as shown and described.

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