Portfolio comparison
Elisha G. Otis vs Universidad Austral de Chile
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 31128· 1861
How Elisha Otis Invented the Modern Safety Elevator
Activity by Decade
1860s1
Top Patents1 enriched
US 8062633· 2011
Using Bacteria to Kill Food-Poisoning Germs on Kitchen Surfaces
Activity by Decade
2010s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.