Portfolio comparison
Sperry Gyroscope Co Inc vs Caterpillar Japan Ltd
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
Caterpillar Japan Ltd
Patents indexed
1
Year range
2010
Most recent
2010
mechanicalai_mltelecommunicationsconsumer_electronics
Top Patents1 enriched
US 7664715· 2010
How Caterpillar Compresses Heavy Machinery Data Using Neural Networks
Activity by Decade
2010s1
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