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

Joseph Mitchell — 3 Patents

INInnophos: 2 patents #10 of 27Top 40%
RMReed Manufacturing: 1 patents #8 of 20Top 40%
Waterford, PA: #10 of 53 inventorsTop 20%
Pennsylvania: #23,787 of 74,527 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Joseph Mitchell has been granted 3 US patents while listed as an inventor at Innophos. The first was granted in 1987 and the most recent in May 2013. Joseph Mitchell ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Joseph Mitchell in Waterford, PA, US.

Patents per Year

Patents granted per year, 1987 to 2013Bar chart with a peak of 1 patents in 1987.peak 11987: 1 patents19872007: 1 patents20072013: 1 patents2013

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8443793 Heating apparatus Vincent Payen, Michael Wadlinger, Robert Finn, George Carl Harmsen, Dennis L. Myers 2013-05-21 $5,996,000
7258117 Heat-producing agglomerates and their application in flameless heaters and self-heating packaging Vincent Payen, Robert Finn, George Carl Harmsen, Dennis L. Myers, Joseph F. Kirkpatrick 2007-08-21 $2,462,000
4682919 Portable powered pipe working machine 1987-07-28