Portfolio comparison
Powdertech Co Ltd vs George Westinghouse, Jr.
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Powdertech Co Ltd
Patents indexed
1
Year range
2024
Most recent
2024
materialsmechanicalconsumer_electronics
Top Patents1 enriched
US 12134567· 2024
How to Make Better Ferrite Powder for Industrial Use
Activity by Decade
2020s1
Top Patents1 enriched
US 88929· 1869
George Westinghouse's Original Steam-Powered Train Brake
Activity by Decade
1860s1
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