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

Imi Refiners — 5 Patents

Rank (All Time): #103,561 of 105,732Top 100%
4 inventors
5 Patents All Time

Patents per Year

Patents granted per year, 1980 to 1988Bar chart with a peak of 2 patents in 1980.peak 21980: 2 patents19801981: 1 patents19811987: 1 patents19871988: 1 patents1988

Top Inventors at Imi Refiners All Time

Showing 1–4 of 4 inventors

RankNamePatents
1 Anthony W. Hudd 5
2 Erling Roller 2
2 Peter J. Clark 2
2 Stephen T. Bloor 2