Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Michael A. D'Onofrio — 3 Patents

OLOlin: 2 patents #310 of 783Top 40%
Branford, CT: #149 of 367 inventorsTop 45%
Connecticut: #12,369 of 34,797 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Michael A. D'Onofrio has been granted 3 US patents while listed as an inventor at Olin. The first was granted in 1992 and the most recent in September 2004. Michael A. D'Onofrio ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Michael A. D'Onofrio in Branford, CT, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D496473 Candle 2004-09-21
5154219 Production of spray cast strip W. Gary Watson, Carlos Juan Rivera 1992-10-13 $1,164,000
5143140 Spray casting of molten metal Thomas J. Melillo, W. Gary Watson, Sankaranarayanan Ashok 1992-09-01 $817,000