Portfolio comparison
WANKEL AND NSU MOTORENWERKE AG vs ChaCha Search 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 8577894· 2013
How Human Searchers Unlock Restricted Web Content for Users
Activity by Decade
2010s1
How to use
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