Portfolio comparison
Oxy Catalyst Inc vs Bellicon AG
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 2742437· 1956
How Eugene Houdry Invented the Modern Catalytic Converter
Activity by Decade
1950s1
Top Patents1 enriched
US RE49995· 2024
How Trampoline Hook Elements Prevent Strap Wear
Activity by Decade
2020s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.