DK

Dennis C. Kowalczyk

TK The M.W. Kellogg: 1 patents #50 of 110Top 50%
TM The Pittsburg & Midway Coal Mining: 1 patents #7 of 22Top 35%
Chevron: 1 patents #2,615 of 4,788Top 55%
📍 Pittsburgh, PA: #1,996 of 7,570 inventorsTop 30%
🗺 Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,284,137 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5972208 FCC metals passivation additives applied to catalyst Terry L. Goolsby, Howard F. Moore 1999-10-26
4997545 Method for selective alteration of fluid catalytic cracker yield structures Ashok S. Krishna 1991-03-05
4944104 Detachable snow plow assembly 1990-07-31
4422927 Process for removing polymer-forming impurities from naphtha fraction Bruce A. Bricklemyer, Joseph J. Svoboda 1983-12-27