Portfolio comparison
Gleason Works vs John Gorrie
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Gleason Works
Patents indexed
1
mechanicalautomotivemanufacturingindustrial_machineryaerospace
Top Patents1 enriched
US 20230168149
How to See Where Gear Teeth Touch Using Glowing Oil
Top Patents1 enriched
US 8080· 1851
John Gorrie's 1851 Patent for Artificial Ice Production
Activity by Decade
1850s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.