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USPTO Patent Rankings Data through Dec 31, 2025
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Ralph Kuttner — 3 Patents

SESteel Casting Engineering: 2 patents #3 of 5Top 60%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Fullerton, CA: #289 of 1,038 inventorsTop 30%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Ralph Kuttner has been granted 3 US patents while listed as an inventor at Steel Casting Engineering. The first was granted in 1989 and the most recent in April 2003. Ralph Kuttner ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Ralph Kuttner in Fullerton, CA, US.

Patents per Year

Patents granted per year, 1989 to 2003Bar chart with a peak of 1 patents in 1989.peak 11989: 1 patents19891993: 1 patents19932003: 1 patents2003

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6540888 Mineral ionizing device Marvin Robey 2003-04-01
5267604 Motion control system for horizontal continuous caster Timothy J. McGrath 1993-12-07
4800324 Brush motor amplifier with overspeed protection — 1989-01-24

Frequent Collaborators

Timothy J. McGrath1 shared
Marvin Robey1 shared

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Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3