Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Herbert R. Gram — 2 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Madison, CT: #204 of 375 inventorsTop 55%
Connecticut: #15,713 of 34,797 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Herbert R. Gram has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 1995 and the most recent in July 2004. Herbert R. Gram ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Herbert R. Gram in Madison, CT, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6768116 Real-time remotely programmable radioactive gas detecting and measuring system Michael Berman, Randolph L. Boncek, Linda A. Averill 2004-07-27
5461236 Oil spill detection system Mathew P. Jadamec, Jonathan W. Johnson 1995-10-24