Portfolio comparison
Phillips Screw Co vs Worcester Polytechnic Institute
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Phillips Screw Co
Patents indexed
1
Year range
1936
Most recent
1936
mechanicalautomotiveconsumer_electronics
Top Patents1 enriched
US 2046343· 1936
The Invention of the Phillips Head Screw
Activity by Decade
1930s1
Company B
Worcester Polytechnic Institute
Patents indexed
1
Year range
2019
Most recent
2019
consumer_electronicsautomotivematerialsenergychemical_processing
Top Patents1 enriched
US 10522884· 2019
Recycling Lithium-Ion Batteries to Make New Cathode Materials
Activity by Decade
2010s1
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