
| H01B | 16 hits | ![]() |
| CABLES | ||
| H01C | 2 hits | ![]() |
| RESISTORS | ||
| H01F | 16 hits | ![]() |
| MAGNETS | ||
| H01G | 12 hits | ![]() |
| CAPACITORS | ||
| H01H | 32 hits | ![]() |
| ELECTRIC SWITCHES | ||
| H01J | 15 hits | ![]() |
| ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS | ||
| H01K | 1 hits | ![]() |
| ELECTRIC INCANDESCENT LAMPS | ||
| H01L | 167 hits | ![]() |
| SEMICONDUCTOR DEVICES | ||
| H01M | 74 hits | ![]() |
| PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY | ||
| H01P | 5 hits | ![]() |
| WAVEGUIDES | ||
| H01Q | 21 hits | ![]() |
| AERIALS | ||
| H01R | 39 hits | ![]() |
| ELECTRICALLY-CONDUCTIVE CONNECTIONS | ||
| H01S | 10 hits | ![]() |
| DEVICES USING STIMULATED EMISSION | ||
| H01T | 4 hits | ![]() |
| SPARK GAPS | ||
| H02B | 5 hits | ![]() |
| BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER | ||
| H02G | 16 hits | ![]() |
| INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES | ||
| H02H | 16 hits | ![]() |
| EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS | ||
| H02J | 41 hits | ![]() |
| CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER | ||
| H02K | 30 hits | ![]() |
| DYNAMO-ELECTRIC MACHINES | ||
| H02M | 25 hits | ![]() |
| APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS | ||
| H02N | 2 hits | ![]() |
| ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR | ||
| H02P | 17 hits | ![]() |
| CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS | ||
| H03B | 1 hits | ![]() |
| GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER | ||
| H03C | 1 hits | ![]() |
| MODULATION | ||
| H03D | 2 hits | ![]() |
| DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER | ||
| H03F | 20 hits | ![]() |
| AMPLIFIERS | ||
| H03G | 9 hits | ![]() |
| CONTROL OF AMPLIFICATION | ||
| H03H | 5 hits | ![]() |
| IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS | ||
| H03K | 14 hits | ![]() |
| PULSE TECHNIQUE | ||
| H03M | 13 hits | ![]() |
| CODING, DECODING OR CODE CONVERSION, IN GENERAL | ||
| H04B | 111 hits | ![]() |
| TRANSMISSION | ||
| H04H | 8 hits | ![]() |
| BROADCAST COMMUNICATION | ||
| H04J | 28 hits | ![]() |
| MULTIPLEX COMMUNICATION | ||
| H04L | 176 hits | ![]() |
| TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION | ||
| H04M | 46 hits | ![]() |
| TELEPHONIC COMMUNICATION | ||
| H04N | 205 hits | ![]() |
| PICTORIAL COMMUNICATION, e.g. TELEVISION | ||
| H04Q | 9 hits | ![]() |
| SELECTING | ||
| H04R | 22 hits | ![]() |
| LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS | ||
| H04S | 2 hits | ![]() |
| STEREOPHONIC SYSTEMS | ||
| H04W | 147 hits | ![]() |
| STEREOPHONIC SYSTEMS | ||
| H05B | 43 hits | ![]() |
| ELECTRIC HEATING | ||
| H05G | 2 hits | ![]() |
| X-RAY TECHNIQUE | ||
| H05H | 2 hits | ![]() |
| PLASMA TECHNIQUE | ||
| H05K | 31 hits | ![]() |
| PRINTED CIRCUITS | ||
| EP2073237A3 | 2013-01-02 |
| MEMS microswitch having a dual actuator and shared gate | |
| EP2541578A1 | 2013-01-02 |
| Electrical protection device comprising at least one cut-off module controlled by a control device with an electromagnetic coil | |
| EP2541260A1 | 2013-01-02 |
| Device for measuring the electric current circulating in electrical equipment, said device enabling the measurement of energy | |
| EP2540512A1 | 2013-01-02 |
| Method for producing a switching membrane | |
| EP2541568A1 | 2013-01-02 |
| Electrical distribution system including micro electro-mechanical switch (MEMS) devices | |
| EP2541571A1 | 2013-01-02 |
| Self-supporting temperature-dependent switch | |
| EP2541574A1 | 2013-01-02 |
| Double interrupter protective switch device | |
| EP2541259A1 | 2013-01-02 |
| Sensors for detecting rapid deceleration/acceleration events | |
| EP2541573A1 | 2013-01-02 |
| Carrier link insulator for a circuit breaker | |
| EP2541575A1 | 2013-01-02 |
| METHOD FOR FIXING LENS SECTION IN OPTICAL SENSOR, METHOD FOR FIXING LIGHT EMITTING COMPONENT, AND OPTICAL SENSOR | |
| EP2541576A1 | 2013-01-02 |
| BREAKER | |
| EP2541579A1 | 2013-01-02 |
| Electric device | |
| EP2541577A1 | 2013-01-02 |
| Electric device | |
| EP2541570A1 | 2013-01-02 |
| Electric switch for high currents, in particular with a high short circuit withstand performance in the kA-range | |
| EP2541569A1 | 2013-01-02 |
| Dual current path for high rated currents | |
| EP2541572A1 | 2013-01-02 |
| Method and apparatus for monitoring of a tap changer | |
| EP2541771A1 | 2013-01-02 |
| Method of manufacturing an electrical switching element | |
| EP2458171A3 | 2012-12-26 |
| Contamination sensor | |
| EP2337054A3 | 2012-12-26 |
| Safety relay circuit | |
| EP2538495A1 | 2012-12-26 |
| Electrical clamp connection for electrical equipment contact and electric apparatus equipped with such clamp connection | |
| EP2538430A1 | 2012-12-26 |
| Method for controlling gap in circuit breaker | |
| EP2538428A1 | 2012-12-26 |
| Electrode assembly for vacuum interrupter | |
| EP2538429A1 | 2012-12-26 |
| Method and apparatus for controlling circuit breaker operation | |
| EP2537948A1 | 2012-12-26 |
| METHOD FOR MANUFACTURING AG BASED OXIDE ELECTRICAL CONTACT MATERIALS WITH FIBROUS STRUCTURE | |
| EP2538423A1 | 2012-12-26 |
| METHOD FOR PREPARING SILVER-BASED OXIDE ELECTRICAL CONTACT MATERIAL WITH ORIENTED PARTICLES | |
| EP2537949A1 | 2012-12-26 |
| METHOD FOR PREPARING FIBROUS SILVER-BASED ELECTRICAL CONTACT MATERIAL | |
| EP2538427A1 | 2012-12-26 |
| KEYBUTTON | |
| EP2538424A1 | 2012-12-26 |
| Switching device and related power distribution system | |
| EP2538431A1 | 2012-12-26 |
| Switching device and related power distribution system | |
| EP2538052A1 | 2012-12-26 |
| THERMOSTAT DEVICE | |
| EP2538426A1 | 2012-12-26 |
| SWITCH MODULE | |
| EP2538425A1 | 2012-12-26 |
| SWITCH MODULE | |
close
| Title: | Vacuum valve |
| Applicants: | K.K. TOSHIBA |
| Inventors: | Asari, Naoki; Sasaki, Yo; Sasage, Kosuke; Ootake, Shirou |
| Main IPC Subclass: | H01H 33/66 |
| Agent: | HOFFMANN EITLE |
| Application: | 2011-07-08 as 11173237.6 |
| Publication: | 2012-01-18 as EP2407991A1 |
| Patent FamilyFull Text | Register & FilePDF |

![]() ![]() ![]() ![]() ![]() ![]() ![]() | Add this feed to your favorite feed reader by clicking on one of these buttons to be automatically reminded of new publications in this class. You may also install an email alert for this class: |
| 1. | 3 | WENZHOU HONGFENG ELECTRICAL ALLOY CO., LTD. |
| 2. | 2 | GENERAL ELECTRIC CO. |
| 3. | 2 | NIPPON MEKTRON LTD. |
| 4. | 2 | EPCOS AG |
| 5. | 2 | LSIS CO., LTD. |
| 6. | 2 | SCHNEIDER ELECTRIC INDUSTRIES SAS |
| 7. | 2 | ABB S.P.A. |
| 8. | 1 | OMRON CORP. |
| 9. | 1 | KOMATSULITE MFG CO., LTD. |
| 10. | 1 | EATON CORP. |
| 11. | 1 | AMSAFE, INC. |
| 12. | 1 | THERMIK GERATEBAU GMBH |
| 13. | 1 | SIEMENS AG |
| 14. | 1 | OCE-TECHNOLOGIES B.V. |
| 15. | 1 | ABB TECHNOLOGY AG |
| 16. | 1 | SOCOMEC S.A. |
| 17. | 1 | TAVRIDA ELECTRIC HOLDING AG |
| 18. | 1 | NEC INFRONTIA CORP. |
| 19. | 1 | NIPPON THERMOSTAT CO., LTD. |
| 20. | 1 | WIELAND ELECTRIC GMBH |
| 1. | 58 | LG ELECTRONICS INC. |
| 2. | 41 | SAMSUNG ELECTRONICS CO., LTD. |
| 3. | 40 | ZTE CORP. |
| 4. | 31 | PANASONIC CORP. |
| 5. | 29 | SONY CORP. |
| 6. | 27 | ALCATEL LUCENT |
| 7. | 26 | SHARP K.K. |
| 8. | 24 | SIEMENS AG |
| 9. | 23 | NTT DOCOMO, INC. |
| 10. | 22 | NEC CORP. |
| 11. | 22 | GENERAL ELECTRIC CO. |
| 12. | 21 | RESEARCH IN MOTION LTD. |
| 13. | 20 | BROADCOM CORP. |
| 14. | 18 | HUAWEI TECHNOLOGIES CO., LTD. |
| 15. | 17 | CANON K.K. |
| 16. | 17 | K.K. TOSHIBA |
| 17. | 11 | FUJITSU LTD. |
| 18. | 11 | QUALCOMM INCORPORATED |
| 19. | 10 | FRANCE TELECOM |
| 20. | 10 | LG CHEM, LTD. |
| 1. | 130 | LG ELECTRONICS INC. |
| 2. | 107 | SAMSUNG ELECTRONICS CO., LTD. |
| 3. | 104 | GENERAL ELECTRIC CO. |
| 4. | 84 | ZTE CORP. |
| 5. | 84 | PANASONIC CORP. |
| 6. | 82 | SIEMENS AG |
| 7. | 75 | SHARP K.K. |
| 8. | 74 | SONY CORP. |
| 9. | 58 | ALCATEL LUCENT |
| 10. | 54 | UNITED TECHNOLOGIES CORP. |
| 11. | 53 | RESEARCH IN MOTION LTD. |
| 12. | 53 | CANON K.K. |
| 13. | 49 | NEC CORP. |
| 14. | 47 | NTT DOCOMO, INC. |
| 15. | 46 | K.K. TOSHIBA |
| 16. | 45 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 17. | 44 | BROADCOM CORP. |
| 18. | 37 | TOYOTA JIDOSHA K.K. |
| 19. | 37 | HUAWEI TECHNOLOGIES CO., LTD. |
| 20. | 32 | FUJITSU LTD. |