RC

Ronald W. Crookston

WE Westinghouse Electric: 6 patents #440 of 5,139Top 9%
EA Eaton: 3 patents #934 of 3,708Top 30%
EI Electric Power Research Institute: 2 patents #195 of 1,201Top 20%
📍 Manor, PA: #5 of 47 inventorsTop 15%
🗺 Pennsylvania: #7,358 of 74,527 inventorsTop 10%
Overall (All Time): #472,350 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6444939 Vacuum switch operating mechanism including laminated flexible shunt connector John J. Hoegle, Paul T. Bottegal, Walter O. Jenkins, Francois Marchand 2002-09-03
6002560 Circuit breaker contact wear indicator Truc Trantrung Nguyen, Alan K. Edmunds 1999-12-14
5341191 Molded case current limiting circuit breaker Douglas C. Marks, Richard E. White, Andrew J. Male, Yun-Ko N. Chien, Steven Castelein +3 more 1994-08-23
5296664 Circuit breaker with positive off protection Douglas C. Marks, David Turner, Richard E. White, Steven Castelein 1994-03-22
4950853 Tapered stationary contact-line copper cross reference to related applications 1990-08-21
4686337 Circuit interrupter having a chemical operator with double-acting drive means Ivan T. Burney 1987-08-11
4641000 Actuator for electrical circuit interrupter using nitrocellulose type solid propellant Jeffry R. Meyer 1987-02-03
4617436 Actuator for an electrical circuit interrupter Hayes O. Dakin, Jr. 1986-10-14
4451717 Circuit interrupter operating mechanism having a chemical operator with stationary combustion chambers Ivan T. Burney 1984-05-29
4438306 Circuit interrupter operating mechanism having a chemical operator with a stationary piston Ivan T. Burney 1984-03-20
4358648 Power circuit breaker with opening and closing mechanisms Hayes O. Dakin, Jr. 1982-11-09