Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert Mepham — 5 Patents

POPolycorp: 5 patents #3 of 20Top 15%
Fergus, CA: #9 of 64 inventorsTop 15%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Robert Mepham has been granted 5 US patents while listed as an inventor at Polycorp. The first was granted in 2012 and the most recent in October 2019. Robert Mepham ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Robert Mepham in Fergus, ON, CA.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10427164 Discharge end wall inserts Pramod Kumar, Robert Michael McPhee 2019-10-01
9289775 Discharge grate assembly David J. Page, Pramod Kumar 2016-03-22
8622330 Mill liner assembly David J. Page, Pramod Kumar 2014-01-07
8360350 Discharge end liner David J. Page, Pramod Kumar 2013-01-29
8308906 Unidirectional discharge grate assembly David J. Page, Pramod Kumar 2012-11-13