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USPTO Patent Rankings Data through Dec 31, 2025
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Hans H. Schneehage — 4 Patents

Basf Se: 4 patents #3,853 of 13,826Top 30%
Bad Dürkheim, DE: #100 of 277 inventorsTop 40%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Hans H. Schneehage has been granted 4 US patents while listed as an inventor at Basf Se. The first was granted in 1982 and the most recent in April 1988. Hans H. Schneehage ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Hans H. Schneehage in Bad Dürkheim, DE.

Patents per Year

Patents granted per year, 1982 to 1988Bar chart with a peak of 1 patents in 1982.peak 11982: 1 patents19821983: 1 patents19831986: 1 patents19861988: 1 patents1988

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4740644 Preparation of 1,2-dichloroethane by oxychlorination of ethylene over a copper-containing supported catalyst Hans-Dieter Eichhorn, Luc Cordemans, Werner Hebgen, Christof Jaeckh, Wolf D. Mross 1988-04-26
4616094 Isolation of liquid urea from the off-gas of the synthesis of melamine Klaus Borho, Dieter Fromm, Ernst-Juergen Schier, Alfred Widmann 1986-10-07
4387224 Melamine quality by reactivation of the melamine synthesis catalyst Dieter Fromm, Ernst-Juergen Schier, Wolfgang Vodrazka 1983-06-07
4360504 Simultaneous destruction of trace components in the reaction off-gas from the synthesis of melamine Klaus Blanck, Winfried Dethlefsen, Anton Jungbauer, Bernd Leutner, Ernst-Juergen Schier +1 more 1982-11-23