Inventor · disambiguated record
Frank J. Hrach, Jr.
Also filed as: HRACH FRANK J · HRACH JR FRANK J
6 granted patents·3 pending applications·232 citations·filing 1992–2024
85Inventor score
Top patents by PatentIndex Score
9 records- 0189US5352289ALow ash carbon blacksCABOT CORP·Filed 1992·Granted Oct 4, 1994·90 cites·19 claims
- 0288US6156837ACarbon blacksCABOT CORP·Filed 1993·Granted Dec 5, 2000·61 cites·10 claims
- 0378US2024408618A1Process for separation of dry food and feed materials using a tribo-electrostatic separator deviceSEPARATION TECH LLC·Filed 2024·Application pending·0 cites
- 0477US6077494AMethod for removing ammonia from ammonia contaminated fly ashSEPARATION TECHNOLOGIES INC·Filed 1999·Granted Jun 20, 2000·43 cites·17 claims
- 0565US6074458AMethod and apparatus for separation of unburned carbon from flyashSEPARATION TECHNOLOGIES INC·Filed 1997·Granted Jun 13, 2000·29 cites·23 claims
- 0664US12097511B2Process for separation of dry food and feed materials using a tribo-electrostatic separator deviceSEPARATION TECH LLC·Filed 2018·Granted Sep 24, 2024·0 cites·13 claims
- 0761US2021086196A1Process for separation of dry food and feed materials using a tribo-electrostatic separator deviceSEPARATION TECH LLC·Filed 2020·Application pending·0 cites
- 0835US2011289923A1Recovery of mercury control reagents by tribo-electric separationBITTNER JAMES D·Filed 2011·Application pending·0 cites
- 0933US5236155AMethod of reducing drag in aerodynamic systemsNASA·Filed 1992·Granted Aug 17, 1993·9 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →