Inventor · disambiguated record
Helmut Zentgraf
Also filed as: ZENTGRAF HELMUT
6 granted patents·70 citations·filing 1983–1995
82Inventor score
Files withKALI & SALZ AG6
Top patents by PatentIndex Score
6 records- 0178US4570861AMethod of and arrangement for electrostatic separation of paper- and synthetic plastic material-containing mixturesKALI & SALZ AG·Filed 1983·Granted Feb 18, 1986·33 cites·5 claims
- 0252US4557827AElectrostatic free-fall separator with feeding arrangementKALI & SALZ AG·Filed 1983·Granted Dec 10, 1985·13 cites·6 claims
- 0350US4848675AMethod of granulating water soluble fertilizers with high kieserite contentKALI & SALZ AG·Filed 1988·Granted Jul 18, 1989·11 cites·9 claims
- 0447US5102441AMethod of making a langbeinite slurry as a binder for mgo-containing fertilizers and fertilizers therefromKALI & SALZ AG·Filed 1990·Granted Apr 7, 1992·7 cites·9 claims
- 0532US4569432AArrangement for feeding of a fine-particle material to electrostatic free-fall cutterKALI & SALZ AG·Filed 1983·Granted Feb 11, 1986·6 cites·11 claims
- 0619US5614104AProcess and apparatus for the continuous determination of the sylvine saturation of hot solutions for monitoring and controlling the hot solubilizing of a crude potash saltKALI & SALZ AG·Filed 1995·Granted Mar 25, 1997·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →