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USPTO Patent Rankings Data through Dec 31, 2025
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Robert J. Kovalak — 2 Patents

FMFmc: 2 patents #674 of 1,735Top 40%
Rushville, IN: #7 of 25 inventorsTop 30%
Indiana: #13,817 of 33,936 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert J. Kovalak has been granted 2 US patents while listed as an inventor at Fmc. The first was granted in 1993 and the most recent in June 1996. Robert J. Kovalak ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert J. Kovalak in Rushville, IN, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5526921 Intersecting bi-directional buckets for a bucket elevator system Harold E. Patterson, Paul I. Sleppy 1996-06-18 $5,006,000
D336091 Material transport bucket Harold E. Patterson, Paul I. Sleppy 1993-06-01