Inventor
GRAF RUDOLF
12 patents
⚠️ This page may combine multiple inventors who share the name “GRAF RUDOLF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SPRECHER & SCHUH AG
8 patentsUS4418256ANov 29, 1983
Electrically insulating plastic element for an electrical switching device, especially for use as the blast nozzle of a gas-blast switch
SPRECHER & SCHUH AG12 citations72
US4342890AAug 3, 1982
Gas-blast switch
SPRECHER & SCHUH AG11 citations72
US4378477AMar 29, 1983
Gas-blast switch
SPRECHER & SCHUH AG4 citations61
US4351993ASep 28, 1982
Gas-blast switch
SPRECHER & SCHUH AG4 citations61
US4329553AMay 11, 1982
Gas-blast switch
SPRECHER & SCHUH AG6 citations61
US4320270AMar 16, 1982
Gas-blast switch
SPRECHER & SCHUH AG6 citations60
US4103131AJul 25, 1978
Puffer interrupter with main and auxiliary pistons and common cylinder
SPRECHER & SCHUH AG5 citations60
US3988554AOct 26, 1976
Gas-blast switch
SPRECHER & SCHUH AG6 citations56