Inventor · Speyer, DE

Thomas Fetzer

27Patents
11h-index
51Co-inventors
78Inventor score

Filing activity: Feb 28, 1994 → Jul 11, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US6056928A Method of removing nitrogen oxides from a gas flow Emerging Cross-Sectional Technologies 27 Expired
US6395244B1 Storage catalyst Emerging Cross-Sectional Technologies 22 Expired
US6696389B1 Process and apparatus for cleaning a gas flow Emerging Cross-Sectional Technologies 19 Expired
US5965098A Methods and devices for scrubbing gases Mechanical Engineering; Lighting; Heating 17 Expired
US6153161A Process for reducing NO.sub.x from exhaust fumes Emerging Cross-Sectional Technologies 15 Expired
US6153162A Method for the reduction of nitrogen oxides Emerging Cross-Sectional Technologies 14 Expired
US6030589A Catalyst, method for its production and use of same Emerging Cross-Sectional Technologies 13 Expired
US5965099A Catalyst and a method for its production and use of same Emerging Cross-Sectional Technologies 13 Expired
US6743404B1 Method for the catalytic decomposition of N2O Emerging Cross-Sectional Technologies 13 Expired
US5612009A Catalytic decomposition of dinitrogen monoxide Emerging Cross-Sectional Technologies 12 Expired
US5587135A Process for the catalytic decomposition of dinitrogen monoxide in a gas stream Emerging Cross-Sectional Technologies 11 Expired
US5750460A Catalyst and process for its production Emerging Cross-Sectional Technologies 9 Expired
US6444178B1 Purification device for gases Emerging Cross-Sectional Technologies 8 Expired
US6723295B1 High-temperature stabile catalysts for decomposing N2O Emerging Cross-Sectional Technologies 8 Expired
US6124234A Catalyst with fine-particle dispersion of the active component Emerging Cross-Sectional Technologies 7 Expired
US5905056A Catalyst and a method for its production and use of same Emerging Cross-Sectional Technologies 6 Expired
US6004520A Method for operating a purification device, a purification device and use of the same Emerging Cross-Sectional Technologies 5 Expired
US5907055A Use of triacids based on alkoxylated tertiary amines as complexing agents Chemistry; Metallurgy 5 Expired
US6027703A Method for operating a purification device for gases as well as a purification device for gases Emerging Cross-Sectional Technologies 4 Expired
US5945080A Catalyst and process for its production Emerging Cross-Sectional Technologies 3 Expired
US5698715A Preparation of unsaturated cyclic ethers Chemistry; Metallurgy 2 Expired
US6200535A Purification device having a porous body for purifying pollutants from an exhaust gas stream Emerging Cross-Sectional Technologies 2 Expired
US6444181B1 Reduction of encrustation of crystallization processes Performing Operations; Transporting 2 Expired
US6255534A Preparation of carbonyl compounds Chemistry; Metallurgy 1 Expired
US6072087A Method for producing carbonyl compounds Chemistry; Metallurgy 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.