Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert E. Rowlands — 1 Patent

SPSonoco Products: 1 patents #75 of 151Top 50%
Madison, WI: #2,823 of 4,527 inventorsTop 65%
Wisconsin: #23,997 of 40,088 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Robert E. Rowlands has been granted 1 US patent while listed as an inventor at Sonoco Products. All of these patents were granted in 1994. Robert E. Rowlands ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Robert E. Rowlands in Madison, WI, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5339693 Apparatus and method for testing tubular products Edmond P. Saliklis, John T. Wise, Terry Gerhardt 1994-08-23 $6,851,000