Inventor · disambiguated record
Curt Holdengraber
Also filed as: HOLDENGRABER CURT
4 granted patents·76 citations·filing 1994–1998
78Inventor score
Top patents by PatentIndex Score
4 records- 0171US5529764ACo-production of potassium sulfate and sodium sulfateDEAD SEA WORKS LTD·Filed 1994·Granted Jun 25, 1996·23 cites·11 claims
- 0267US5549876AProduction of potassium sulfate using differential contactingDEAD SEA WORKS·Filed 1994·Granted Aug 27, 1996·22 cites·11 claims
- 0365US5552126ACo-production of potassium sulfate, sodium sulfate and sodium chlorideDEAD SEA WORKS LTD·Filed 1994·Granted Sep 3, 1996·21 cites·9 claims
- 0450US6143271AProcess for producing potassium sulfate from potash and sodium sulfateDEAD SEA WORKS·Filed 1998·Granted Nov 7, 2000·10 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →