IP Library Granted Patent US 920,242
Granted Patent S1
US 920,242 · App. 29/644,021 · Granted May 25, 2021

Transformer monitor

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 920,242
App. No.
29/644,021
Granted
May 25, 2021
Kind
S1
Claims (1)

The ornamental design for a transformer monitor, as shown and described.

Assignments (4)
MERGER Recorded Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065549/0576 →
CHANGE OF NAME Recorded Dec 31, 2021
From: ABB POWER GRIDS SWITZERLAND AG
To: HITACHI ENERGY SWITZERLAND AG
Reel/Frame 058666/0540 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 15, 2021
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 055585/0534 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 11, 2018
From: LEBREUX, DANNY D.; BIBEAU, LOUIS-PHILIPPE A.
To: ABB SCHWEIZ AG
Reel/Frame 047214/0766 →