Inventor · Sunnyvale, CA, US

David Weingaertner

61Patents
13h-index
84Co-inventors
87Inventor score

Filing activity: Aug 7, 1989 → Dec 13, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US5114497A Soil decontamination Emerging Cross-Sectional Technologies 61 Expired
US5193934A In-situ thermal desorption of contaminated surface soil Performing Operations; Transporting 60 Expired
US5271693A Enhanced deep soil vapor extraction process and apparatus for removing contaminants trapped in or below the water table Performing Operations; Transporting 59 Expired
US5660500A Enhanced deep soil vapor extraction process and apparatus utilizing sheet metal pilings Performing Operations; Transporting 45 Expired
US9190673B2 SOFC hot box components Emerging Cross-Sectional Technologies 44 Active
US5221827A Heater blanket for in-situ soil heating Performing Operations; Transporting 39 Expired
US8563180B2 SOFC hot box components Emerging Cross-Sectional Technologies 35 Active
US5169263A In-situ soil decontamination process with sub-surface vapor recovery Performing Operations; Transporting 32 Expired
US8440362B2 Fuel cell mechanical components Emerging Cross-Sectional Technologies 31 Active
US5233164A Modified heater for in situ soil heating Performing Operations; Transporting 24 Expired
US8877399B2 SOFC hot box components Emerging Cross-Sectional Technologies 18 Active
US5012034A Process for separating styrene from styrene-containing hydrocarbon streams Chemistry; Metallurgy 17 Expired
US8137855B2 Hot box design with a multi-stream heat exchanger and single air control Emerging Cross-Sectional Technologies 16 Active
US8968943B2 SOFC hot box components Emerging Cross-Sectional Technologies 13 Active
US8211583B2 Derivation of control parameters of fuel cell systems for flexible fuel operation Emerging Cross-Sectional Technologies 13 Active
US9287572B2 Pre-reformer for selective reformation of higher hydrocarbons Emerging Cross-Sectional Technologies 12 Active
US10581090B2 Fuel cell system containing humidity sensor and method of operating thereof Emerging Cross-Sectional Technologies 11 Active
US11196068B2 Fuel cell system containing water injector and method of operating the same Emerging Cross-Sectional Technologies 10 Active
US8197978B2 Fuel cell systems with fuel utilization and oxidation monitoring Emerging Cross-Sectional Technologies 10 Active
US7931997B2 Multi-material high temperature fuel cell seals Emerging Cross-Sectional Technologies 8 Active
US9520602B2 SOFC hot box components Emerging Cross-Sectional Technologies 7 Active
US8685583B2 Derivation of control parameters of fuel cell systems for flexible fuel operation Emerging Cross-Sectional Technologies 4 Active
US7951496B2 Model based real-time optimization of fuel cell clusters Emerging Cross-Sectional Technologies 4 Active
US9780392B2 SOFC hot box components Emerging Cross-Sectional Technologies 3 Active
US9287571B2 Operation of fuel cell systems with reduced carbon formation and anode leading edge damage Emerging Cross-Sectional Technologies 3 Active

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