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USPTO Patent Rankings Data through Dec 31, 2025
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Robert E. Wold — 4 Patents

JPJohnstone Pump: 3 patents #1 of 7Top 15%
Troy, MI: #752 of 2,712 inventorsTop 30%
Michigan: #22,248 of 86,293 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Robert E. Wold has been granted 4 US patents while listed as an inventor at Johnstone Pump. The first was granted in 1986 and the most recent in January 1991. Robert E. Wold ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Robert E. Wold in Troy, MI, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4987941 Door reinforcing device 1991-01-29
4754639 Device for testing suspensions Kirk K. Rich 1988-07-05
4632281 Magnadrum pump assembly 1986-12-30
4630760 Magnadrum pump assembly 1986-12-23