Portfolio comparison
Hovercraft Development Ltd vs Ethicon
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
Ethicon
Patents indexed
2
Year range
2020 – 2021
Most recent
2021
medical_devicesmanufacturingsoftwareroboticssurgical_equipment
Top Patents2 enriched
US 10959744· 2021
Customizing Surgical Dissectors Using 3D Printing
US 10736702· 2020
Surgical Tool with Flexible, Articulating, and Rotating End Effectors
Activity by Decade
2020s2
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