Inventor · Mountain View, CA, US

Ralph A. Dalla Betta

39Patents
23h-index
34Co-inventors
85Inventor score

Filing activity: May 1, 1975 → Oct 31, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US5338515A SO.sub.2 sensor Emerging Cross-Sectional Technologies 179 Expired
US6698412B2 Catalyst placement in combustion cylinder for reduction on NOx and particulate soot Emerging Cross-Sectional Technologies 119 Expired
US5518697A Process and catalyst structure employing intergal heat exchange with optional downstream flameholder Mechanical Engineering; Lighting; Heating 101 Expired
US5248251A Graded palladium-containing partial combustion catalyst and a process for using it Performing Operations; Transporting 99 Expired
US5250489A Catalyst structure having integral heat exchange Mechanical Engineering; Lighting; Heating 94 Expired
US7082753B2 System and methods for improved emission control of internal combustion engines using pulsed fuel flow Emerging Cross-Sectional Technologies 93 Expired
US7610752B2 Devices and methods for reduction of NOx emissions from lean burn engines Emerging Cross-Sectional Technologies 83 Active
US5258349A Graded palladium-containing partial combustion catalyst Performing Operations; Transporting 76 Expired
US5281128A Multistage process for combusting fuel mixtures Mechanical Engineering; Lighting; Heating 76 Expired
US6116014A Support structure for a catalyst in a combustion reaction chamber Mechanical Engineering; Lighting; Heating 73 Expired
US5232357A Multistage process for combusting fuel mixtures using oxide catalysts in the hot stage Mechanical Engineering; Lighting; Heating 69 Expired
US5511972A Catalyst structure for use in a partial combustion process Performing Operations; Transporting 66 Expired
US6109018A Electrically-heated combustion catalyst structure and method for start-up of a gas turbine using same Emerging Cross-Sectional Technologies 64 Expired
US5183401A Two stage process for combusting fuel mixtures Mechanical Engineering; Lighting; Heating 64 Expired
US5259754A Partial combustion catalyst of palladium on a zirconia support and a process for using it Mechanical Engineering; Lighting; Heating 60 Expired
US5326253A Partial combustion process and a catalyst structure for use in the process Performing Operations; Transporting 57 Expired
US5308457A Self-contained system for controlling gaseous emissions from dilute organic sources and a process for using that system Performing Operations; Transporting 54 Expired
US5425632A Process for burning combustible mixtures Mechanical Engineering; Lighting; Heating 50 Expired
US6718772B2 Method of thermal NOx reduction in catalytic combustion systems Mechanical Engineering; Lighting; Heating 40 Expired
US7121097B2 Control strategy for flexible catalytic combustion system Emerging Cross-Sectional Technologies 38 Expired
US6595003B2 Process and apparatus for control of NOx in catalytic combustion systems Mechanical Engineering; Lighting; Heating 35 Expired
US5486336A NOX sensor assembly Emerging Cross-Sectional Technologies 31 Expired
US7181906B2 Devices and methods for reduction of NOx emissions from lean burn engines Emerging Cross-Sectional Technologies 24 Expired
US5314828A NO.sub.x sensor and process for detecting NO.sub.x Emerging Cross-Sectional Technologies 17 Expired
US7240483B2 Pre-combustors for internal combustion engines and systems and methods therefor Emerging Cross-Sectional Technologies 17 Expired

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