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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
WM

Walter Mesch — 5 Patents

Basf Se: 5 patents #3,244 of 13,826Top 25%
Ludwigshafen, DE: #594 of 1,722 inventorsTop 35%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Walter Mesch has been granted 5 US patents while listed as an inventor at Basf Se. The first was granted in 1981 and the most recent in November 1990. Walter Mesch ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Walter Mesch in Ludwigshafen, DE.

Patents per Year

Patents granted per year, 1981 to 1990Bar chart with a peak of 2 patents in 1988.peak 21981: 1 patents19811988: 2 patents19881989: 1 patents19891990: 1 patents1990

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4973769 Preparation of 1,2,4-butanetriol Herbert Mueller, Klaus Broellos 1990-11-27
4803281 Preparation of 4-methylimidazole 1989-02-07
4792631 Preparation of di-tert.-butylethylenediamine Herbert Mueller 1988-12-20
4719309 Preparation of imidazoles 1988-01-12
4259531 Polymerization of tetrahydrofuran to prepare polytetramethylene ether glycols Otto H. Huchler, Siegfried Winderl, Herbert Mueller, Herwig Hoffmann 1981-03-31