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
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →