Portfolio comparison
Powdertech Co Ltd vs John Gorrie
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 8080· 1851
John Gorrie's 1851 Patent for Artificial Ice Production
Activity by Decade
1850s1
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