Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Evan Schaefer — 2 Patents

Delphi Technologies: 1 patents #2,130 of 4,124Top 55%
THThermwood: 1 patents #16 of 26Top 65%
Rochester Hills, MI: #752 of 1,754 inventorsTop 45%
Michigan: #35,377 of 86,293 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Evan Schaefer has been granted 2 US patents while listed as an inventor at Delphi Technologies. The first was granted in 2003 and the most recent in May 2016. Evan Schaefer ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Evan Schaefer in Rochester Hills, MI, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9354215 Metal to ceramic seal Kaius K. Polikarpus, Wayne M. Chadwick, Mark S. Alexander 2016-05-31
6601434 System and method of calibrating a multi-toolhead machine 2003-08-05