Inventor · Livonia, MI, US

Keith Firstenberg

6Patents
1h-index
5Co-inventors
33Inventor score

Filing activity: Mar 17, 2014 → Jul 27, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US9407069B2 Spark plug with improved seal Electricity 2 Active
US9751797B2 Corona ignition device with improved seal Chemistry; Metallurgy 1 Active
US9685767B2 Corona ignition device with improved seal Electricity 1 Active
US10418789B2 Spark plug with a suppressor that is formed at low temperature Electricity 0 Active
US9651306B2 Method for drying seal materials for ignition devices Mechanical Engineering; Lighting; Heating 0 Active
US9893495B2 Spark plug with improved seal Electricity 0 Active

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