Circuit Breaker

PAT. NO. Title
1901 4,644,121 Circuit breaker contact arm with variable force pivot
1902 4,644,120 Molded case circuit breaker with a movable lower electrical contact positioned by a torsion spring
1903 4,644,118 Electric power circuit breaker
1904 4,642,726 Solenoid operator circuit for molded case circuit breaker
1905 4,642,431 Molded case circuit breaker with a movable electrical contact positioned by a camming spring loaded clip
1906 4,642,430 Molded case circuit breaker with an improved contoured cradle
1907 4,641,217 Two pole ground fault circuit breaker
1908 4,641,216 Signal processor module for ground fault circuit breaker
1909 4,639,701 Circuit breaker with interface flux shunt trip
1910 4,639,565 High tension arc-blast circuit breaker
1911 4,639,564 Circuit breaker with arc chamber vent
1912 4,638,277 Circuit breaker with blow open latch
1913 4,636,766 Miniaturized circuit breaker
1914 4,636,760 Low voltage circuit breaker with remote switching function
1915 4,635,163 Self-regenerating capacitor protected by athermal circuit-breaker and a process for its manufacture
1916 4,635,013 Additive block couplable to a circuit breaker
1917 4,635,012 Contactor structure of circuit breaker
1918 4,635,011 Circuit breaker with arm latch for high interrupting capacity
1919 4,634,981 Method for testing a circuit breaker using a three terminal current transformer
1920 4,633,240 Lightened circuit breaker
1921 4,633,207 Cam following bridge contact carrier for a current limiting circuit breaker
1922 4,631,634 Lighting circuit breaker panelboard modular assembly
1923 4,631,625 Microprocessor controlled circuit breaker trip unit
1924 4,631,622 Multiple static trip circuit breaker coordination
1925 4,631,376 Molded case circuit breaker with an improved arc gas external venting system
1926 4,630,020 Protective circuit breaker (I)
1927 4,630,019 Molded case circuit breaker with calibration adjusting means for a bimetal
1928 4,630,018 Molded case circuit breaker current transformer with spiral bus
1929 4,630,017 Magnetic structure for calibrating a circuit breaker
1930 4,630,014 Current limiting circuit breaker stationary contact assembly with integral magnetic activating means
1931 4,629,437 Rapid-start fluorescent lamp integrated circuit breaker structure and manufacture
1932 4,626,282 Contact material for vacuum circuit breaker
1933 4,625,190 Remotely controlled solenoid operated circuit breaker
1934 4,623,861 Rocker actuator bracket assembly for a split case circuit breaker
1935 4,623,859 Remote control circuit breaker
1936 4,622,530 Circuit breaker assembly for high speed manufacture
1937 4,622,529 Operating mechanism for a low voltage multipole circuit breaker
1938 4,622,444 Circuit breaker housing and attachment box
1939 4,621,247 Housing for circuit breaker
1940 RE32,279 Interchangeable tripping device for a circuit-breaker
1941 4,620,171 Molded case circuit breaker with resettable combined undervoltage and manual trip mechanism
1942 4,620,076 Circuit breaker apparatus with line terminal shields
1944 4,618,905 DC circuit breaker
1945 4,618,745 Circuit breaker mechanism
1946 4,617,545 Submersible primary circuit breaker
1947 4,617,435 Hybrid circuit breaker
1948 4,616,206 Circuit breaker and shunt trip apparatus combined within single pole device
1949 4,616,200 Circuit breaker
1950 4,616,199 Circuit breaker improvement to prevent setting of trip assembly
Dead tank type gas circuit breaker
Multi-phase circuit breaker with interphase barrier retention
Contact material for vacuum circuit breaker
Circuit breaker contact arm with variable force pivot
Contact arrangement for a current limiting circuit breaker
Spiral arc circuit breaker
Molded case circuit breaker with movable upper electrical contact positioned by tension springs
Interlock arrangement for circuit breaker compartments
Circuit breaker control device
Time-delay current sensing circuit breaker relay
Power circuit breaker with opening and closing mechanisms
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