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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Burkhard Ort — 4 Patents

Basf Se: 4 patents #3,853 of 13,826Top 30%
Monsheim, DE: #71 of 225 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Burkhard Ort has been granted 4 US patents while listed as an inventor at Basf Se. The first was granted in 1990 and the most recent in April 1992. Burkhard Ort ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Burkhard Ort in Monsheim, DE.

Patents per Year

Patents granted per year, 1990 to 1992Bar chart with a peak of 2 patents in 1990.peak 21990: 2 patents19901991: 1 patents19911992: 1 patents1992

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5106980 Preparation of quinophthalones Guido Kuth 1992-04-21
5028705 Preparation of pyrazolo[5,1-b]quinazolones Hartmut Kanter 1991-07-02
4925946 Preparation of pyrazolo(5,1-B)quinazolones Hartmut Kanter 1990-05-15
4897478 Preparation of haloisatoic anhydrides Hartmut Kanter, Heinrich Kowarsch 1990-01-30