Assignee
WILHELM ENV TECH INC
US·13 granted patents·291 citations·filing 1990–1996
Top patents by PatentIndex Score
13 records- 0194US5032154AFlue gas conditioning systemWILHELM ENV TECH INC·Filed 1990·Granted Jul 16, 1991·82 cites·18 claims
- 0277US5288303AFlue gas conditioning systemWILHELM ENV TECH INC·Filed 1992·Granted Feb 22, 1994·41 cites·32 claims
- 0375US5240470AIn-duct flue gas conditioning systemWILHELM ENV TECH INC·Filed 1992·Granted Aug 31, 1993·29 cites·13 claims
- 0463US5449390AFlue gas conditioning system using vaporized sulfuric acidWILHELM ENV TECH INC·Filed 1994·Granted Sep 12, 1995·25 cites·12 claims
- 0561US5370720AFlue gas conditioning systemWILHELM ENV TECH INC·Filed 1993·Granted Dec 6, 1994·26 cites·20 claims
- 0659US5547495AFlue gas conditioning systemWILHELM ENV TECH INC·Filed 1994·Granted Aug 20, 1996·16 cites·19 claims
- 0756US5356597AIn-duct flue gas conditioning systemWILHELM ENV TECH INC·Filed 1992·Granted Oct 18, 1994·17 cites·25 claims
- 0851US5665142AFlue gas conditioning system and method using native SO2 feedstockWILHELM ENV TECH INC·Filed 1996·Granted Sep 9, 1997·14 cites·10 claims
- 0950US5288309AFlue gas conditioning agent demand control apparatusWILHELM ENV TECH INC·Filed 1992·Granted Feb 22, 1994·8 cites·26 claims
- 1047US5261931AFlue gas conditioning systemWILHELM ENV TECH INC·Filed 1992·Granted Nov 16, 1993·10 cites·31 claims
- 1141US5350441AFlue gas conditioning systemWILHELM ENV TECH INC·Filed 1993·Granted Sep 27, 1994·8 cites·30 claims
- 1232US6045770ASulfur dioxide generation using granulated or emulsoid sulfur feedstockWILHELM ENV TECH INC·Filed 1994·Granted Apr 4, 2000·6 cites·18 claims
- 1332US5681375ABoiler flue gas conditioning system using dilute sulfuric acid injectionWILHELM ENV TECH INC·Filed 1996·Granted Oct 28, 1997·9 cites·15 claims
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