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

John E. Wieschel — 2 Patents

HAHarnischfeger: 2 patents #61 of 121Top 55%
Hartland, WI: #129 of 273 inventorsTop 50%
Wisconsin: #17,225 of 40,088 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
John E. Wieschel has been granted 2 US patents while listed as an inventor at Harnischfeger. The first was granted in 1982 and the most recent in July 1985. John E. Wieschel ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John E. Wieschel in Hartland, WI, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4529066 Safety brake for mast-type crane 1985-07-16 $435,000
4352622 Warehouse crane with pin-engageable tote pans 1982-10-05 $736,000