Portfolio comparison
Doosan Heavy Industries and Construction Co vs Margaret E. Knight
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Doosan Heavy Industries and Construction Co
Patents indexed
1
Year range
2020
Most recent
2020
energytelecommunicationsconsumer_electronicssoftware
Top Patents1 enriched
US 10756544· 2020
Managing Power with Different Types of Batteries in an Energy Storage System
Activity by Decade
2020s1
Company B
Margaret E. Knight
Patents indexed
1
Year range
1871
Most recent
1871
mechanicalmanufacturingconsumer_goodspackaging
Top Patents1 enriched
US 116842· 1871
How Margaret Knight's Machine Made Flat-Bottom Paper Bags
Activity by Decade
1870s1
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