Portfolio comparison
Proterra vs William Painter
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
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
Top Patents1 enriched
US 468226· 1892
How the Crown Cork Bottle Cap Changed Soda and Beer
Activity by Decade
1890s1
How to use
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