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USPTO Patent Rankings Data through Dec 31, 2025
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Feliks E. Gulijaev — 1 Patent

DPDevelopment Products: 1 patents #4 of 18Top 25%
Stropkov, SK: #1 of 5 inventorsTop 20%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Feliks E. Gulijaev has been granted 1 US patent while listed as an inventor at Development Products. All of these patents were granted in 1995. Feliks E. Gulijaev ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Feliks E. Gulijaev in Stropkov, SK.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5399730 Method of obtaining an purified wool fat and use as an additive to lubricants Boris I. Koupchinov, Viktor P. Parkalov, Vladimir G. Rodnenkov, Sergey F. Ermakov, Vitaly G. Tischenco +3 more 1995-03-21