Portfolio comparison
Process Systems Inc vs Margaret E. Knight
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Process Systems Inc
Patents indexed
1
Year range
1987
Most recent
1987
telecommunicationsmechanicalsemiconductors
Top Patents1 enriched
US 4677614· 1987
How Self-Healing Data Loops Automatically Elect a New Master Controller
Activity by Decade
1980s1
Company B
Margaret E. Knight
Patents indexed
1
Year range
1871
Most recent
1871
mechanicalmanufacturingconsumer_goodspackaging
Top Patents1 enriched
US 116842· 1871
How Margaret Knight's Machine Made Flat-Bottom Paper Bags
Activity by Decade
1870s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.