Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert Haaser — 2 Patents

SOSollac: 1 patents #86 of 297Top 30%
Truchtersheim, FR: #2 of 9 inventorsTop 25%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert Haaser has been granted 2 US patents while listed as an inventor at Sollac. The first was granted in 1986 and the most recent in January 1992. Robert Haaser ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert Haaser in Truchtersheim, FR.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5084094 Method and apparatus for cleaning a liquid metal bath for hot dipping of a steel strip Bernard Francois, Pierre Commun, Jean-Paul Hennechart 1992-01-28
4594272 Process and device for manufacturing sheet metal or galvanized steel strip devoid of a pure zinc coating on at least one side 1986-06-10