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USPTO Patent Rankings Data through Dec 31, 2025
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Robert E. Tomilson — 1 Patent

CACalgon: 1 patents #90 of 151Top 60%
Portland, ME: #173 of 276 inventorsTop 65%
Maine: #2,326 of 4,281 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Robert E. Tomilson has been granted 1 US patent while listed as an inventor at Calgon. All of these patents were granted in 1996. Robert E. Tomilson ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Robert E. Tomilson in Portland, ME, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5534157 Polyether polyamino methylene phosphonates for high pH scale control Craig D. Iman 1996-07-09 $100,503,000