Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Edwin P. Stankiewicz — 4 Patents

ULUltramet: 3 patents #5 of 23Top 25%
STStemcor: 1 patents #13 of 40Top 35%
Warrensville Heights, OH: #18 of 81 inventorsTop 25%
Ohio: #19,019 of 73,341 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Edwin P. Stankiewicz has been granted 4 US patents while listed as an inventor at Ultramet. The first was granted in 1990 and the most recent in August 2000. Edwin P. Stankiewicz ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Edwin P. Stankiewicz in Warrensville Heights, OH, US.

Patents per Year

Patents granted per year, 1990 to 2000Bar chart with a peak of 2 patents in 2000.peak 21990: 1 patents19901994: 1 patents19942000: 2 patents2000

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6103149 Method for producing controlled aspect ratio reticulated carbon foam and the resultant foam 2000-08-15
6040266 Foam catalyst support for exhaust purification Thomas F. Fay, III, Raffaele La Ferla, Andrew Sherman 2000-03-21
5372380 Filter and method of forming Andrew J. Duffy, Richard B. Kaplan, Stanley A. Racik, Robert H. Tuffias, Brian E. Williams 1994-12-13
4964993 Multiple-use molten metal filters 1990-10-23