BD

Birch L. DeVault

WE Westinghouse Electric: 6 patents #440 of 5,139Top 9%
EA Eaton: 1 patents #1,900 of 3,708Top 55%
📍 Beaver, PA: #41 of 238 inventorsTop 20%
🗺 Pennsylvania: #11,794 of 74,527 inventorsTop 20%
Overall (All Time): #766,158 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5440180 Microprocessor based electrical contactor with distributed contactor opening Rick A. Hurley 1995-08-08
5164694 Mechanical interlock for a pair of electromagnetic switches Glenn H. Edwards 1992-11-17
4739293 Electromagnetic contactor with reduced noise magnetic armature Ricky A. Hurley 1988-04-19
4617546 Electrical control apparatus with electromagnetic latch Walter J. Kellogg, Kenneth L. Paape 1986-10-14
4377796 Electric control device Kurt A. Grunert, Charles R. Paton, John J. Henwood, John J. Dauer, Jr. 1983-03-22
4309683 Electric control device Kurt A. Grunert, John J. Dauer, Jr. 1982-01-05
4302650 Circuit interrupter with optical indicator Kurt A. Grunert, John J. Henwood 1981-11-24