Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert Leahy — 2 Patents

HEHercules: 1 patents #498 of 725Top 70%
Middletown, DE: #124 of 298 inventorsTop 45%
Delaware: #3,260 of 7,163 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert Leahy has been granted 2 US patents while listed as an inventor at Hercules. The first was granted in 1986 and the most recent in October 2023. Robert Leahy ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert Leahy in Middletown, DE, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11798010 Database management systems and methods using data normalization and defragmentation techniques Niall Douglas, Michael Lehr 2023-10-24
4608123 Method of minimizing untoward effect of contaminants, such as pitch, in the papermaking operation 1986-08-26 $16,276,000