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1940-08-06 |
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Actuator fob telemetbic systems |
GB382656A
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1931-07-29 |
1932-10-31 |
Harold Diggle |
Improvements in electric tap-changing switches
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1933-03-09 |
1934-01-09 |
James B Fryar |
Float operated switch
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1942-04-01 |
1946-11-19 |
Westinghouse Electric Corp |
Overload relay
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(en)
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1943-11-26 |
1951-02-06 |
Arrow Hart & Hegeman Electric |
Rotary magnetic switch
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1945-10-17 |
1949-04-05 |
Ark Les Switch Corp |
Electric switch
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(en)
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1945-12-31 |
1950-09-26 |
Nat Acme Co |
Electromagnetic latch trip switch
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1948-10-22 |
1951-06-26 |
Eugene F Baldwin |
Multiple contact switch construction
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(en)
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1949-04-27 |
1952-04-01 |
Mcgraw Electric Co |
Operating mechanism for multiple point switches
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1956-03-09 |
1958-10-28 |
Bryant Electric Co |
Rotary switch
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1962-12-05 |
1966-04-12 |
Raymond G Russell |
Load transfer switch mechanism
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(en)
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1964-11-12 |
1966-11-29 |
Patent Button Co |
Electromagnetic switch selector
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1965-08-26 |
1967-04-25 |
Mc Graw Edison Co |
Reversible sectionalizing switch
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1967-07-31 |
1971-06-29 |
Westinghouse Electric Corp |
Quick-make and quick-break switch
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DE1918606B2
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1969-04-12 |
1972-01-27 |
Maschinenfabrik Reinhausen Gebruder Scheubeck KG, 8400 Regensburg |
Stufenschalter fuer regeltransformatoren
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1972-09-15 |
1974-01-29 |
Allis Chalmers |
Switch operating device with spiral spring charging means and cam release means
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1974-06-19 |
1976-02-24 |
Arvin Industries, Inc. |
Coaxial switch for high frequency signals
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1974-10-18 |
1976-03-16 |
Westinghouse Electric Corporation |
Circuit breaker with low torque motor
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1975-09-15 |
1977-06-28 |
General Electric Company |
Electric circuit breaker with electromagnetic-assist means for opposing magnetic contact-separating forces
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1976-09-15 |
1978-03-21 |
Cutler-Hammer, Inc. |
Circuit breaker with improved trip mechanism
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1978-03-10 |
1980-10-07 |
Chore-Time Equipment, Inc. |
Egg collector
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1978-04-28 |
1979-10-31 |
Siemens Ag |
Schalterkombination fuer sammelschienenanlagen
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1979-05-02 |
1981-04-14 |
S. J. Electro Systems, Inc. |
Float switch
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1979-06-25 |
1981-01-13 |
General Electric Company |
Manual and motor operated circuit breaker
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FR2476906A1
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1980-02-25 |
1981-08-28 |
Merlin Gerin |
Commande electrique d'un disjoncteur basse tension
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1981-08-04 |
1984-03-20 |
Schweitzer Edmund O Jun |
Fault indicator with combined trip and reset winding
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(en)
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1982-02-19 |
1984-01-24 |
Westinghouse Electric Corp. |
Oil-insulated switch
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1982-04-26 |
1984-03-06 |
Rte Corporation |
Primary circuit breaker
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1982-05-26 |
1983-10-25 |
Westinghouse Electric Corp. |
Circuit breaker with unitary actuating shaft
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1983-05-10 |
1984-12-17 |
Asea Ab |
Lindningskopplare
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1984-01-23 |
1985-10-29 |
Rte Corporation |
Trip assembly for a circuit breaker
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(en)
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1984-05-01 |
1985-11-19 |
Westinghouse Electric Corp. |
Electrical switch
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1985-02-07 |
1986-09-09 |
Rte Corporation |
Underoil primary circuit breaker
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(en)
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1985-02-07 |
1986-05-27 |
Rte Corporation |
Low oil trip and/or lockout apparatus
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1986-07-08 |
1988-04-12 |
Rte Corporation |
Overload switch
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1990-04-03 |
1991-12-03 |
Automatic Switch Company |
Automatic transfer switch
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1990-07-16 |
1995-02-22 |
Terasaki Denki Sangyo Kk |
Circuit breaker including forced contact parting mechanism capable of self-retaining under short circuit condition
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1991-03-28 |
1995-10-17 |
Siemens Energy & Automation, Inc. |
Electronic charging motor controller
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1991-12-05 |
1993-01-05 |
Elizabeth Arden Company, Division Of Conopco, Inc. |
Colored cosmetic sticks of improved hardness
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1993-03-08 |
1994-09-27 |
Eaton Corporation |
Electrical contactor and interrupter employing a rotary disc
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1994-04-12 |
1996-09-03 |
Systems Analysis And Integration, Inc. |
Position-sensing device for power distribution switch
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1995-02-21 |
1999-07-20 |
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Method of manufacturing ceramic, metallic or ceramo-metallic, shaped bodies and layers
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1997-10-08 |
1999-06-24 |
Siemens Ag |
Fernantrieb mit Motor für Leistungsschalter
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1997-12-25 |
2003-12-22 |
アルプス電気株式会社 |
角度検出機能付き回転コネクタ
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1997-12-26 |
2003-05-26 |
三菱電機株式会社 |
接点開閉機器の消弧装置
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1998-04-24 |
2000-05-30 |
Utke; Gene H. |
Flow control vertical switch
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1998-05-19 |
1999-11-19 |
Abb Adda S P A |
Dispositivo di comando e controllo di organi di manovra elettrica
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1998-06-29 |
2000-10-17 |
E. O. Schweitzer Manufacturing Co. |
Fault indicator having remote light indication of fault detection
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1999-01-05 |
2000-03-14 |
General Electric Company |
Rotary contact circuit breaker venting arrangement including current transformer
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1999-02-01 |
2004-09-23 |
Ge Power Controls Polska Sp.Z.O.O. |
Auslösevorrichtung für Schalter und Schaltkontaktanordnung
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2000-02-24 |
2001-08-28 |
General Electric Company |
Circuit breaker auxiliary magnetic trip unit with pressure sensitive release
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2000-03-13 |
2002-06-11 |
General Electric Company |
Trip override for rotary breaker
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2000-03-17 |
2003-05-06 |
General Electric Company |
Stored energy system for breaker operating mechanism
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2000-04-01 |
2002-01-31 |
Reinhausen Maschf Scheubeck |
Verfahren zur Steuerung eines Motorantriebes für einen Stufenschalter sowie für ein solches Verfahren geeigneter Stufenschalter
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2000-09-18 |
2006-12-19 |
Abb Ab |
Switching device
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JP4186409B2
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2000-10-30 |
2008-11-26 |
富士電機機器制御株式会社 |
回路しゃ断器
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2001-04-10 |
2005-01-18 |
General Electric Company |
Compact low cost current sensor and current transformer core having improved dynamic range
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2001-04-25 |
2007-06-19 |
Xillus, Inc. |
Nanodevices, microdevices and sensors on in-vivo structures and method for the same
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2001-05-28 |
2009-11-04 |
富士電機機器制御株式会社 |
配線用回路しゃ断器
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FR2831342B1
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2001-10-22 |
2003-12-19 |
Alstom |
Systeme de protection d'un transformateur de distribution triphase a isolation dans un dielectrique liquide comportant un interrupteur sectionneur de phase
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2002-04-01 |
2006-06-27 |
Programmable Control Services, Inc. |
Electrical power distribution control systems and processes
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2002-04-29 |
2004-07-23 |
Schneider Electric Ind Sa |
Appareillage electrique de coupure comportant une chambre d'extinction d'arc munie d'ailettes de desionisation
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2002-08-02 |
2004-09-14 |
General Electric Company |
Apparatus for electrically isolating circuit breaker rotor components
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2002-10-02 |
2004-11-30 |
Mcgraw-Edison Company |
Make-before-break selector switch
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2003-02-27 |
2004-09-28 |
Mcgraw-Edison Company |
High-voltage loadbreak switch with enhanced arc suppression
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2003-05-29 |
2006-04-26 |
刘平 |
电力开关器
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2004-03-29 |
2006-03-28 |
General Electric Company |
Circuit breaker configured to be remotely operated
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2004-08-13 |
2005-08-16 |
Eaton Corporation |
Circuit interrupter including linear actuator and manual pivot member
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2004-08-31 |
2006-03-09 |
Herman Miller, Inc. |
Reconfiguring control relationships among devices
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2005-01-07 |
2007-05-22 |
General Electric Company |
Split rotor system and method with springs
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2005-05-06 |
2008-12-23 |
Nova Technology Corporation |
Dermal phase meter with improved replaceable probe tips
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2005-10-03 |
2007-04-03 |
Jaker Electric Co., Ltd. |
Oil-immersed and high-pressure tripping switch structure
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2005-12-15 |
2008-10-07 |
Cooper Technologies Company |
Motorized loadbreak switch control system and method
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2006-01-26 |
2007-04-18 |
上海华明电力设备制造有限公司 |
有载分接开关的组合式大电流切换开关主触头
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2008-05-08 |
2011-05-03 |
Cooper Technologies Company |
Adjustable rating for a fault interrupter and load break switch
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2008-05-08 |
2011-04-05 |
Cooper Technologies Company |
Fault interrupter and load break switch
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2008-05-08 |
2011-05-31 |
Cooper Technologies Company |
Sensor element for a fault interrupter and load break switch
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2008-05-08 |
2009-11-12 |
Cooper Technologies Company |
Low Oil Trip Assembly for a Fault Interrupter and Load Break Switch
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2008-05-08 |
2011-08-23 |
Cooper Technologies Company |
Indicator for a fault interrupter and load break switch
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2008-08-14 |
2012-04-10 |
Cooper Technologies Company |
Tap changer switch
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2008-08-14 |
2011-09-06 |
Cooper Technologies Company |
Multi-deck transformer switch
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2008-12-04 |
2010-06-10 |
Cooper Technologies Company |
Low force low oil trip mechanism
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