Portfolio comparison
Hovercraft Development Ltd vs Unlikely Artificial Intelligence
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
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
Company B
Unlikely Artificial Intelligence
Patents indexed
4
Year range
2024 – 2025
Most recent
2025
ai_mlsoftwaretelecommunicationsconsumer_electronics
Top Patents4 enriched
US 12073180· 2024
How a Computer System Fact-Checks AI Language Models
US 12067362· 2024
How a Computer System Improves Large Language Model Output with Structured Data
US 11989527· 2024
How a Computer System Checks and Improves AI Text
Activity by Decade
2020s4
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