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USPTO Patent Rankings Data through Dec 31, 2025
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John E. Szydlo — 2 Patents

SPSpx: 2 patents #142 of 468Top 35%
Brookfield, IL: #48 of 128 inventorsTop 40%
Illinois: #34,875 of 84,256 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
John E. Szydlo has been granted 2 US patents while listed as an inventor at Spx. The first was granted in 2003 and the most recent in December 2005. John E. Szydlo ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John E. Szydlo in Brookfield, IL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6972087 Transmission sump filter with bypass valve James B. Wolford, Mitch Kujawski, Morgan Bullard, Yakov Sarnov 2005-12-06 $6,000,000
6582593 Transmission sump filter with bypass valve James B. Wolford, Mitch Kujawski, Morgan Bullard, Yakov Sarnov 2003-06-24 $30,783,000