Portfolio comparison
ExxonMobil Research and Engineering vs Sikorsky Aircraft Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
ExxonMobil Research and Engineering
Patents indexed
1
Year range
2017
Most recent
2017
energyclean_energychemical_engineeringpower_generationcarbon_capture
Top Patents1 enriched
US 9553321· 2017
How Fuel Cells Capture Carbon Dioxide While Making Electricity
Activity by Decade
2010s1
Top Patents1 enriched
US 1994488· 1935
Igor Sikorsky's Early Design for a Vertical Takeoff Aircraft
Activity by Decade
1930s1
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