Portfolio comparison
Phillips Screw Co vs Skyline Solar
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
Skyline Solar
Patents indexed
1
Year range
2011
Most recent
2011
energyrenewable_energymechanicalmaterials
Top Patents1 enriched
US 8049150· 2011
How to Make Solar Troughs Catch More Sunlight at Their Ends
Activity by Decade
2010s1
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