Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JR

John Ryan — 2 Patents

FEFerro: 1 patents #204 of 431Top 50%
RLRohm Powervation Limited: 1 patents #3 of 10Top 30%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
John Ryan has been granted 2 US patents while listed as an inventor at Ferro. The first was granted in 1980 and the most recent in February 2017. John Ryan ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John Ryan in Blackrock, MS, IE.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9584018 Method for controlling a DC-to-DC converter Timur Kelin, Cormac O'Shea 2017-02-28
4231830 Process for preparing reflecting sheeting having wide angle response Paul Shalita 1980-11-04