Portfolio comparison
Pilkington Brothers Ltd vs Alcatel SA
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Pilkington Brothers Ltd
Patents indexed
1
Year range
1959
Most recent
1959
mechanicalmaterialsautomotiveconsumer_electronics
Top Patents1 enriched
US 2911759· 1959
How the Float Glass Process Makes Perfectly Flat Window Panes
Activity by Decade
1950s1
Company B
Alcatel SA
Patents indexed
1
Year range
2000
Most recent
2000
telecommunicationssoftwareconsumer_electronics
Top Patents1 enriched
US 6073184· 2000
How Software Services Pass Messages Across Different Network Zones
Activity by Decade
2000s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.