Portfolio comparison
HURLEY MACHINE Co vs Northrop Grumman Systems
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
HURLEY MACHINE Co
Patents indexed
1
Year range
1910
Most recent
1910
consumer_electronicsmechanicalhome_appliances
Top Patents1 enriched
US 966677· 1910
How Early Washing Machines Moved Clothes
Activity by Decade
1910s1
Company B
Northrop Grumman Systems
Patents indexed
1
Year range
2018
Most recent
2018
aerospacedefensesoftwaretelecommunicationsrobotics
Top Patents1 enriched
US 10107627· 2018
How Vehicles and Drones Find Their Way Using Many Sensors
Activity by Decade
2010s1
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