Portfolio comparison
Control Data Corp vs Proterra
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 3388314· 1968
Gordon Gould's Early Concepts for High-Frequency Radiation Devices
Activity by Decade
1960s1
Company B
Proterra
Patents indexed
1
Year range
2021
Most recent
2021
automotiveenergysoftwaretelecommunications
Top Patents1 enriched
US 11027624· 2021
Smart Charging for Electric Vehicle Batteries Based on Chemistry and Use
Activity by Decade
2020s1
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