Portfolio comparison
James L. Plimpton vs Areva SA
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
James L. Plimpton
Patents indexed
1
Year range
1863
Most recent
1863
mechanicalconsumer_electronics
Top Patents1 enriched
US 37305· 1863
How James Plimpton Invented the Modern Roller Skate
Activity by Decade
1860s1
Company B
Areva SA
Patents indexed
1
energychemical_manufacturingenvironmental_technologycleantechmaterials
Top Patents1 enriched
US 20110132770
Making Chemicals from Carbon Dioxide and Steam Using Electricity
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.