Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Spark plug firing sensor with capacitive coupling and optical pickup

Spark plug firing sensor with capacitive coupling and optical pickup

US Patent 5208541 · Granted May 4, 1993

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Helmet sound management mechanism2024
Pulse detection apparatus, software, and methods using patient physiological sig2018
Coil packaging for smokeless tobacco2018
Computer screen display panel with graphical user interface2016
Computer screen display panel with graphical user interface2016
Pulse detection apparatus, software, and methods using patient physiological sig2016
Image redirection system for mobile devices2015
Coil packaging for smokeless tobacco2015
Pulse detection apparatus, software, and methods using patient physiological sig2014
Transoral endoscopic gastroesophageal flap valve restoration device, assembly, s2014
Transoral endoscopic gastroesophageal flap valve restoration device, assembly, s2013
Pulse detection apparatus, software, and methods using patient physiological sig2013