Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert C. Larko — 2 Patents

SESeco/Warwick: 2 patents #4 of 11Top 40%
Meadville, PA: #38 of 150 inventorsTop 30%
Pennsylvania: #30,766 of 74,527 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert C. Larko has been granted 2 US patents while listed as an inventor at Seco/Warwick. The first was granted in 1985 and the most recent in August 2003. Robert C. Larko ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert C. Larko in Meadville, PA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6609906 Adjustable ratio control system and method 2003-08-26
4540363 Ingot pusher furnace Robert H. Ross 1985-09-10