JE

Joseph C. Engel

EA Eaton: 38 patents #21 of 3,708Top 1%
WE Westinghouse Electric: 37 patents #9 of 5,139Top 1%
GA Gaton: 1 patents #5 of 27Top 20%
NE North American Philips Electric: 1 patents #9 of 20Top 45%
NL North American Philips Lighting: 1 patents #13 of 41Top 35%
AC Abb Power T&D Company: 1 patents #104 of 231Top 50%
CT Cooper Technologies: 1 patents #306 of 757Top 45%
AS Asea Brown Boveri, S.A.: 1 patents #358 of 1,048Top 35%
📍 Monroeville, PA: #2 of 710 inventorsTop 1%
🗺 Pennsylvania: #236 of 74,527 inventorsTop 1%
Overall (All Time): #21,650 of 4,157,543Top 1%
82
Patents All Time

Issued Patents All Time

Showing 76–82 of 82 patents

Patent #TitleCo-InventorsDate
4331998 Circuit interrupter with digital trip unit and style designator circuit Joseph J. Matsko, Emroy W. Lange, Bernard Mercier 1982-05-25
4331997 Circuit interrupter with digital trip unit and potentiometers for parameter entry Robert T. Elms, Bernard Mercier, Joseph J. Matsko 1982-05-25
4331999 Circuit interrupter with digital trip unit and power supply John A. Wafer, Robert T. Elms, Gary F. Saletta 1982-05-25
4292570 Energy-conserving illumination system 1981-09-29
4247879 People protecting ground fault circuit breaker utilizing waveform characteristics Robert T. Elms 1981-01-27
4243876 Background light intensity compensation circuit for a line scan camera system Leonard C. Vercellotti, Dale W. Schroeder 1981-01-06
4186431 Linear light source George Hines 1980-01-29