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USPTO Patent Rankings Data through Dec 31, 2025
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Robert J. Dulian — 2 Patents

FMFmc: 1 patents #1,077 of 1,735Top 65%
Chicago, IL: #5,248 of 13,327 inventorsTop 40%
Illinois: #34,875 of 84,256 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert J. Dulian has been granted 2 US patents while listed as an inventor at Fmc. The first was granted in 1981 and the most recent in December 1984. Robert J. Dulian ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert J. Dulian in Chicago, IL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4485856 Apparatus for accurately filling beverage cans David M. Kemp, Hartl R. Jones, Raymond J. Conway 1984-12-04 $2,313,000
4300923 Deaerator system having positive pressure indicating means Sigmund P. Skoli, David M. Kemp 1981-11-17