Portfolio comparison
EC Power vs Margaret E. Knight
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
EC Power
Patents indexed
1
Year range
2019
Most recent
2019
consumer_electronicsautomotivetelecommunicationsenergysemiconductors
Top Patents1 enriched
US 10186887· 2019
How Batteries Charge Fast in the Cold Without Damage
Activity by Decade
2010s1
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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