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

Harold E. Schulz — 1 Patent

ETEthyl: 1 patents #298 of 494Top 65%
De Queen, AR: #25 of 57 inventorsTop 45%
Arkansas: #2,854 of 5,804 inventorsTop 50%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Harold E. Schulz has been granted 1 US patent while listed as an inventor at Ethyl. All of these patents were granted in 1991. Harold E. Schulz ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Harold E. Schulz in De Queen, AR, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5064867 Production of foamed polymer structures James R. Barringer, H. Eugene Broemmelsiek, Porter W. Gregory, Carroll W. Lanier, Raymond Lee 1991-11-12 $6,982,000