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USPTO Patent Rankings Data through Dec 31, 2025
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Ivan Petkov — 4 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Ivan Petkov has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 1982 and the most recent in December 2025. Ivan Petkov ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ivan Petkov in Sofia, CO, BG.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12505788 Optoelectronic device Jaeduk Lee, Frédéric Mercier 2025-12-23
5876066 Carving ski pole 1999-03-02
5405161 Alpine ski with exaggerated tip and tail 1995-04-11
4337078 Substrate for cultivation of agricultural crops and rooting of green cuttings in greenhouses and in open air Georgi S. Petrov, Hristo I. Etropolski, Dimiter N. Dimitrov, Nikolay N. Popov, Atanas I. Uzunov 1982-06-29