Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ajit Dighe — 2 Patents

ZTZero E Technologies: 2 patents #10 of 16Top 65%
Northville, MI: #584 of 1,240 inventorsTop 50%
Michigan: #35,377 of 86,293 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Ajit Dighe has been granted 2 US patents while listed as an inventor at Zero E Technologies. The first was granted in 2018 and the most recent in October 2019. Ajit Dighe ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Ajit Dighe in Northville, MI, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10435313 Systems, devices, and methods of water filtration Doug Kellam, Rajan G. Rajan, Liu Wei, Charles Lieppe 2019-10-08
9994459 Gravity-fed and dual ion-exchange water filtration bottle Doug Kellam, Byron Stanger, Rajan G. Rajan, Charles Lieppe 2018-06-12