Assignee
PITTSBURGH MINERAL ENVIRONMENT
US·7 granted patents·218 citations·filing 1989–2008
Top patents by PatentIndex Score
7 records- 0193US5300137AMethod for removing mercury from contaminated soils and industrial wastes and related apparatusPITTSBURGH MINERAL ENVIRONMENT·Filed 1992·Granted Apr 5, 1994·94 cites·40 claims
- 0284US4943368ANonmetallic abrasive blasting material recovery process including an electrostatic separation stepPITTSBURGH MINERAL ENVIRONMENT·Filed 1989·Granted Jul 24, 1990·44 cites·7 claims
- 0372US6038987AMethod and apparatus for reducing the carbon content of combustion ash and related productsPITTSBURGH MINERAL ENVIRONMENT·Filed 1999·Granted Mar 21, 2000·34 cites·16 claims
- 0471US7744848B2High purity magnetite formation process and apparatus, and product thereofPITTSBURGH MINERAL ENVIRONMENT·Filed 2005·Granted Jun 29, 2010·3 cites·20 claims
- 0571US7048779B1Method of removing mercury from exhaust gases of coal fired power plants and associated apparatusPITTSBURGH MINERAL ENVIRONMENT·Filed 2003·Granted May 23, 2006·21 cites·25 claims
- 0663US5887724AMethods of treating bi-modal fly ash to remove carbonPITTSBURGH MINERAL ENVIRONMENT·Filed 1996·Granted Mar 30, 1999·22 cites·12 claims
- 0747US8361374B2Method of making building blocks from clay-containing compoundsPITTSBURGH MINERAL ENVIRONMENT·Filed 2008·Granted Jan 29, 2013·0 cites·18 claims
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