Portfolio comparison
US Department of Navy vs Northrop Grumman Systems Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
US Department of Navy
Patents indexed
2
Year range
1974 – 2018
Most recent
2018
aerospacetelecommunicationsmechanicalsoftware
Top Patents2 enriched
US 3789410· 1974
How to Calculate Distance to a Radio Signal Using Two Antennas
US 9919813· 2018
How Spacecraft Calculate Maneuvers to Change Orbits Near Another Satellite
Activity by Decade
1970s1
2010s1
Company B
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
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