Portfolio comparison
Sperry Gyroscope Co Inc vs Tsinghua University
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 1242065· 1917
How Elmer Sperry Invented the Gyroscopic Compass for Ships
Activity by Decade
1910s1
Company B
Tsinghua University
Patents indexed
1
Year range
2019
Most recent
2019
energytelecommunicationsmechanicalsoftware
Top Patents1 enriched
US 10480867· 2019
Smart Energy System for Power, Heating, and Cooling Grids
Activity by Decade
2010s1
How to use
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