Inventor · Rochester Hills, MI, US

Frederick J. Quitmeyer

16Patents
2h-index
6Co-inventors
39Inventor score

Filing activity: Mar 31, 2010 → May 3, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US8853924B2 Spark ignition device for an internal combustion engine, metal shell therefor and methods of construction thereof Electricity 4 Active
US8896194B2 Spark ignition device and ground electrode therefor and methods of construction thereof Electricity 2 Active
US9130356B2 Spark plug having a thin noble metal firing pad Electricity 1 Active
US8643262B2 Spark ignition device and ground electrode therefor and methods of construction thereof Emerging Cross-Sectional Technologies 1 Active
US8937427B2 Spark plug and method of manufacturing the same Electricity 1 Active
US8288930B2 Spark ignition device and ground electrode therefor and methods of construction thereof Emerging Cross-Sectional Technologies 1 Active
US8519607B2 Spark plug electrode configuration Electricity 1 Active
US10312668B2 Spark plug having firing pad Electricity 0 Active
US9048635B2 Spark plug with laser keyhole weld attaching ground electrode to shell Electricity 0 Active
US9041274B2 Spark plug having firing pad Electricity 0 Active
US8641467B2 Spark ignition device and ground electrode therefor and methods of construction thereof Emerging Cross-Sectional Technologies 0 Active
US9318879B2 Spark plug having firing pad Electricity 0 Active
US9573218B2 Welding system for attaching firing tips to spark plug electrodes Electricity 0 Active
US9130357B2 Method of capacitive discharge welding firing tip to spark plug electrode Electricity 0 Active
US9673593B2 Spark plug having firing pad Electricity 0 Active
US9368943B2 Spark plug having multi-layer sparking component attached to ground electrode Electricity 0 Active

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