Portfolio comparison
Elisha G. Otis vs GE Hitachi Nuclear Energy Americas
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
Company B
GE Hitachi Nuclear Energy Americas
Patents indexed
1
Year range
2022
Most recent
2022
nuclear_energymechanicalmaterialsenergyaerospace
Top Patents1 enriched
US 11417435· 2022
How a Nuclear Reactor's Rotating Drum Controls Power
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.