Method and apparatus for enhancing the rate and efficiency of gas phase reactions Grant US-6047543-A United States of America 11 Apr 2000
Method and apparatus for using hydroxyl to reduce pollutants in the exhaust gases from… Grant US-6048500-A United States of America 11 Apr 2000
Method and apparatus for using free radicals to reduce pollutants in the exhaust gases… Grant US-6029442-A United States of America 29 Feb 2000
Pre-converted nitric oxide gas in catalytic reduction system Grant US-5891409-A United States of America 06 Apr 1999
Catalyst system for converting emissions of a lean-burn engine Grant US-5788936-A United States of America 04 Aug 1998
CATALYST SYSTEM FOR CONVERTING EMISSIONS OF A LEAN-BURN ENGINE Grant US-5208205-A United States of America 04 May 1993