Portfolio comparison
Northrop Grumman Systems Corp vs William F. Semple
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Northrop Grumman Systems Corp
Patents indexed
2
Year range
2021 – 2023
Most recent
2023
aerospacemechanicaltelecommunications
Top Patents2 enriched
US 11685554· 2023
How Spacecraft Servicing Pods Maneuver and Refuel Other Satellites
US 11124318· 2021
How a Host Spacecraft Refuels Another Satellite Without Using Its Fuel Tank
Activity by Decade
2020s2
Top Patents1 enriched
US 98304· 1869
William Semple's 1869 Patent for Improved Chewing Gum
Activity by Decade
1860s1
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