Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert B. Bieri — 2 Patents

PRPrince: 1 patents #131 of 262Top 50%
SLSulzer Brothers Limited: 1 patents #172 of 443Top 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert B. Bieri has been granted 2 US patents while listed as an inventor at Prince. The first was granted in 1988 and the most recent in April 1994. Robert B. Bieri ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert B. Bieri in Zürich, MI, CH.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5303970 Overhead console for a vehicle with a sunroof Nathan W. Young, David B. Busch, Scott S. Bainbridge, James T. Hotary 1994-04-19 $7,233,000
4782857 Method and apparatus for uniformly distributing solids-containing liquid 1988-11-08