NF

Normann Fischer

SL Schweitzer Engineering Laboratories: 3 patents #1 of 57Top 2%
📍 Colfax, WA: #1 of 1 inventorsTop 100%
🗺 Washington: #639 of 9,973 inventorsTop 7%
Overall (2025): #51,025 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12418168 High-impedance differential protection using a diversity of signals Anushka M. Dissanayake, Jay Hartshorn, Marcos A. Donolo 2025-09-16
12316112 Breaker control units and related systems and methods Ritwik Chowdhury, Dale S. Finney 2025-05-27
12249948 Split-phase protection of generators Ritwik Chowdhury, Matchyaraju Alla, Dale S. Finney 2025-03-11