Portfolio comparison
Johnson Controls Technology Co vs Hovercraft Development Ltd
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Johnson Controls Technology Co
Patents indexed
1
Year range
2004
Most recent
2004
automotivemechanicalenergy
Top Patents1 enriched
US 6828755· 2004
How Car Battery Modules Combine High and Low Voltage Systems
Activity by Decade
2000s1
Company B
Hovercraft Development Ltd
Patents indexed
1
Year range
1967
Most recent
1967
automotiveaerospacemechanicaltransportation
Top Patents1 enriched
US 3321037· 1967
How Hovercrafts Use Flexible Skirts to Ride on Air
Activity by Decade
1960s1
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