Portfolio comparison
Sperry Corp vs Facebook Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Sperry Corp
Patents indexed
1
Year range
1985
Most recent
1985
softwaretelecommunicationsconsumer_electronics
Top Patents1 enriched
US 4558302· 1985
How Computers Compress Data Using Dictionary Building
Activity by Decade
1980s1
Company B
Facebook Inc
Patents indexed
9
Year range
2010 – 2020
Most recent
2020
softwaretelecommunicationsai_mlconsumer_electronicsecommerce
Top Patents9 enriched
US 7669123· 2010
Displaying Friends' Activities in a Social Network Feed
US 8171128· 2012
How Facebook's News Feed Picks Stories You'll Like
US 8914392· 2014
How Facebook Ranks Search Results Based on Your Friends' Activity
Activity by Decade
2010s8
2020s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.