Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
ML

Mark Leskowicz

ENEngelhard: 1 patents #271 of 518Top 55%
TLThe Boc Group Limited: 1 patents #283 of 612Top 50%
Colonia, NJ: #39 of 117 inventorsTop 35%
New Jersey: #29,833 of 69,400 inventorsTop 45%
Overall (All Time): #2,289,711 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5456083 Air separation apparatus and method Neil Hogg 1995-10-10
5023220 Ultra high zeolite content FCC catalysts and method for making same from microspheres composed of a mixture of calcined kaolin clays Lawrence B. Dight, David C. Bogert 1991-06-11