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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert Bloomfield — 1 Patent

DODonnelly: 1 patents #202 of 274Top 75%
Holland, MI: #796 of 1,299 inventorsTop 65%
Michigan: #50,030 of 86,293 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Robert Bloomfield has been granted 1 US patent while listed as an inventor at Donnelly. All of these patents were granted in 1999. Robert Bloomfield ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Robert Bloomfield in Holland, MI, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5916600 Mold assembly for holding a sheet of glass during molding Steven C. Dubay, Thomas Keith Langejans, Daniel Robert Athey, William K. Boezwinkle, Mark Allan Craycraft 1999-06-29 $896,000