Patent assignee · DE · COMPANY

XCELLSiS GmbH

32Patents
0Active
32Granted
38Portfolio score

Filing activity: May 15, 1998 → Oct 24, 2001

Most-cited patents

PatentTitleAreaCited byStatus
US6296957A Energy supply unit on board an aircraft Emerging Cross-Sectional Technologies 104 Expired
US6220497A Method for soldering microstructured sheet metal Mechanical Engineering; Lighting; Heating 68 Expired
US6332913A Membrane module for selective gas separation Performing Operations; Transporting 58 Expired
US6231831A Hydrogen separating membrane, methanol reformation system equipped therewith, and operating method therefor Emerging Cross-Sectional Technologies 50 Expired
US6190791A Proton exchange membrane (PEM) fuel cell system and process of operating same Emerging Cross-Sectional Technologies 42 Expired
US6408966B1 Fuel cell vehicle Emerging Cross-Sectional Technologies 40 Expired
US6171992A Treatment process for a methanol reforming catalyst therefor Emerging Cross-Sectional Technologies 35 Expired
US6223844A Fuel cell engine having a propulsion motor operatively connected to drive a fluid supply device Emerging Cross-Sectional Technologies 35 Expired
US6276473A Hybrid vehicle having a an internal-combustion engine, a fuel cell system and an electric drive motor Emerging Cross-Sectional Technologies 34 Expired
US6280701A Method for the treatment of a methanol reforming catalyst Emerging Cross-Sectional Technologies 33 Expired
US6389696B1 Plate heat exchanger and method of making same Emerging Cross-Sectional Technologies 32 Expired
US6180081A Reactor unit for a catalytic chemical reaction, especially for a catalyzing methanol reformer Emerging Cross-Sectional Technologies 30 Expired
US6268075A Process for the water vapor reforming of a hydrocarbon or a hydrocarbon derivative, reforming system operable thereby, and fuel cell operating process Emerging Cross-Sectional Technologies 23 Expired
US6486087B1 Method for periodically reactivating a copper-containing catalyst material Emerging Cross-Sectional Technologies 22 Expired
US6447736B1 System for the water vapor reforming of a hydrocarbon Emerging Cross-Sectional Technologies 22 Expired
US6383468B1 Method for operating a system for water-vapor reforming of a hydrocarbon Emerging Cross-Sectional Technologies 19 Expired
US6294149A Process for operating a water vapor reforming system, a reforming system operable thereby and a fuel cell system operating process Emerging Cross-Sectional Technologies 19 Expired
US6383469B1 Device for utilizing heat which is formed during a catalytic reaction Performing Operations; Transporting 14 Expired
US6277339A Reforming reactor with catalytic burner unit Emerging Cross-Sectional Technologies 12 Expired
US6428758B1 Reformation reactor and operating method Emerging Cross-Sectional Technologies 10 Expired
US6254848A Process for the production of hydrogen-rich gas Chemistry; Metallurgy 10 Expired
US6197365A Process for manufacturing a catalytic material Performing Operations; Transporting 8 Expired
US6299853A Method and apparatus for operating a reformer/co oxidation unit Chemistry; Metallurgy 8 Expired
US6432871B1 Process for manufacturing a catalyst body for generating hydrogen and a catalyst body for generating hydrogen Emerging Cross-Sectional Technologies 8 Expired
US6241792A Method for producing a hydrogen-rich and low carbon monoxide gas Emerging Cross-Sectional Technologies 7 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.