Portfolio comparison
WANKEL AND NSU MOTORENWERKE AG vs AST Research Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
WANKEL AND NSU MOTORENWERKE AG
Patents indexed
1
Year range
1961
Most recent
1961
automotivemechanical
Top Patents1 enriched
US 2988008· 1961
How the Wankel Rotary Engine Works
Activity by Decade
1960s1
Top Patents1 enriched
US 5754176· 1998
How Interactive Pop-up Help Windows Work in Computer Interfaces
Activity by Decade
1990s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.