Assignee
AUSTRIAN ENERGY & ENVIRONMENT
AT·9 granted patents·93 citations·filing 1991–1996
Top patents by PatentIndex Score
9 records- 0164US5447633AActivated sludge process for sewage purificationAUSTRIAN ENERGY & ENVIRONMENT·Filed 1992·Granted Sep 5, 1995·34 cites·21 claims
- 0263US5393225ARotating tube heat treatment installation, in particular rotating tubular kiln, with indirect heat feed or dissipationAUSTRIAN ENERGY & ENVIRONMENT·Filed 1991·Granted Feb 28, 1995·12 cites·4 claims
- 0344US5759345AProcess for treating sulphur-containing spent liquor using multi-stage carbonizationAUSTRIAN ENERGY & ENVIRONMENT·Filed 1994·Granted Jun 2, 1998·11 cites·11 claims
- 0439US6235256B1Process and device for the scrubbing acidic gasesAUSTRIAN ENERGY & ENVIRONMENT·Filed 1996·Granted May 22, 2001·16 cites·16 claims
- 0529US5643548ADrying and separating process and plantAUSTRIAN ENERGY & ENVIRONMENT·Filed 1993·Granted Jul 1, 1997·4 cites·15 claims
- 0628US5775265ACooling surface claddingAUSTRIAN ENERGY & ENVIRONMENT·Filed 1995·Granted Jul 7, 1998·8 cites·12 claims
- 0728US5705073AMethod for the disposal of excess sludgeAUSTRIAN ENERGY & ENVIRONMENT·Filed 1993·Granted Jan 6, 1998·7 cites·9 claims
- 0827US5730838AProcess for extracting pure, coarse grain silicic acid crystals from spent lyeAUSTRIAN ENERGY & ENVIRONMENT·Filed 1994·Granted Mar 24, 1998·0 cites·15 claims
- 0925US5587138AProcess for preventing the formation of harmful organic substances and steam generator for carrying out the processAUSTRIAN ENERGY & ENVIRONMENT·Filed 1995·Granted Dec 24, 1996·1 cites·17 claims
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