Inventor

HRACH JR FRANK J

US5 patents

⚠️ This page may combine multiple inventors who share the name “HRACH JR FRANK J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CABOT CORP

2 patents

US6156837ADec 5, 2000

Carbon blacks

CABOT CORP61 citations92

US5352289AOct 4, 1994

Low ash carbon blacks

CABOT CORP90 citations91

SEPARATION TECHNOLOGIES INC

2 patents

US6074458AJun 13, 2000

Method and apparatus for separation of unburned carbon from flyash

SEPARATION TECHNOLOGIES INC29 citations87

US6077494AJun 20, 2000

Method for removing ammonia from ammonia contaminated fly ash

SEPARATION TECHNOLOGIES INC43 citations85

SEPARATION TECH LLC

1 patent

US12097511B2Sep 24, 2024

Process for separation of dry food and feed materials using a tribo-electrostatic separator device

SEPARATION TECH LLC0 citations48