| Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099) |
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| 08/09/2006 | EP1688979A2 Disconnect switch |
| 08/09/2006 | CN2805058Y Outdoor, AC and high voltage isolation switch |
| 08/09/2006 | CN1815831A Shutter |
| 08/02/2006 | CN2802806Y Safety protection mechanism for back door of high-tension switch cubicle |
| 08/02/2006 | CN2802803Y Box-type high-tension switch cubicle device suitable for 40.5KV class voltage |
| 08/02/2006 | CN2802694Y High-tension isolating switch |
| 08/02/2006 | CN2802687Y Intelligent key and its unlocking mechanism |
| 07/26/2006 | EP1683171A1 Bypass recloser assembly |
| 07/24/2006 | CA2532484A1 Control arrangement for switchgear |
| 07/20/2006 | US20060158197 Insulation resistance deterioration detection method and insulation resistance deterioration detection device for motor, and motor driver |
| 07/19/2006 | EP1547270A4 Aircraft multi-function wire and insulation tester |
| 07/19/2006 | CN2798289Y Outdoor high voltage insulating switch |
| 07/19/2006 | CN1805093A Disconnecting switch with lineraly moving contact |
| 07/12/2006 | CN1802720A Circuit breaker |
| 07/06/2006 | US20060145710 Method and system for testing RFID devices |
| 07/04/2006 | US7071703 Technique for estimation of a subscriber line insertion loss |
| 07/04/2006 | US7071702 Multi-jack detector |
| 06/29/2006 | DE19715264B4 Einrichtung zum Plombieren und Verriegeln des Deckels eines Sicherungsschaltgerätes Means for sealing and locking the lid of a safety switching device |
| 06/28/2006 | CN2791848Y Universal driver for high-pressure isolating switch |
| 06/28/2006 | CN1795595A Switch assembly |
| 06/28/2006 | CN1261957C Air insulation high voltage breaker |
| 06/27/2006 | US7068131 Switching contact arrangement for a power switch |
| 06/22/2006 | US20060131143 Switch for high voltage and/or current |
| 06/21/2006 | EP1672659A2 Disconnecting switch with lineraly moving contact |
| 06/21/2006 | EP1020970B1 Switch gear |
| 06/15/2006 | US20060124599 Grounding switch having a moveable contact piece |
| 06/13/2006 | US7061253 Apparatus and method for field testing polymer insulators |
| 06/07/2006 | CN1783609A Gas insulation switch device |
| 05/31/2006 | EP1662527A1 Key-pad and method of producing the same |
| 05/30/2006 | US7053321 Apparatus operating an isolation switch in coordination with a circuit breaker |
| 05/30/2006 | US7051418 Supporting frames; flushing apertures; flat , self-supporting microstructures; etching; heating using electrical resistant grids |
| 05/24/2006 | CN2783520Y Energy-storage type isolation switch |
| 05/24/2006 | CN1777968A Circuit breaker |
| 05/24/2006 | CN1776853A High-voltage Ac. three-phase double power-supply load swith |
| 05/24/2006 | CN1776852A Mechanical control device for an electrical switchgear, provided with a selection lever |
| 05/17/2006 | CN2781546Y High-voltage double power supple selfpoperation and mutual operation locking device |
| 05/10/2006 | CN1255706C Improved temperature control equipment of electric water heater |
| 05/09/2006 | US7042229 System and method for on line monitoring of insulation condition for DC machines |
| 05/03/2006 | EP1652278A2 Three-position ground switch |
| 05/03/2006 | CN2777733Y Indoor high-voltage isolation switch |
| 05/03/2006 | CN1767106A Cut-in type extra-high-voltage isolated switch dust-proof contact |
| 04/27/2006 | CA2526344A1 Kinematic drive in a hybrid circuit breaker |
| 04/26/2006 | CN2775820Y Outdoor Ac high voltage isolation switch |
| 04/26/2006 | CN2775816Y High and low voltage isolated switch safety lock |
| 04/26/2006 | CN1765040A Grounding switch having a moveable contact piece |
| 04/26/2006 | CN1253901C Mechanical switching contact |
| 04/19/2006 | CN2773881Y Bearing seat assembly of high-voltage isolated switch |
| 04/19/2006 | CN2773880Y Outdoor AC high-voltage isolated switch with 40.5KV |
| 04/13/2006 | US20060076962 Fluorescent light bulb test apparatus and method of use |
| 04/13/2006 | DE19816592B4 Antriebseinrichtung für Schaltanlagen der Energieversorgung und -verteilung Drive means for switching the power supply and distribution |
| 04/12/2006 | EP1075704B1 Housing for fused switch |
| 04/12/2006 | CN2772007Y High-voltage isolator switching separating mechanism |
| 04/12/2006 | CN1758393A Operation devcie for three-position opener |
| 04/05/2006 | CN1249755C High voltage switch device with moving bridge contacts |
| 03/28/2006 | US7019531 Procedure and device for the evaluation of the quality of a cable |
| 03/23/2006 | US20060060455 Multi-contact input device |
| 03/23/2006 | DE10021722B4 Stromversorgungs-Abschaltvorrichtung Power shut-off |
| 03/22/2006 | EP1638124A1 Earthing switch device |
| 03/22/2006 | CN2766331Y Knife brake examination and repair protective frame |
| 03/22/2006 | CN1246815C Electronic apparatus and monitoring apparatus |
| 03/16/2006 | US20060054477 Mechanical locking device for contactors, and auxiliary tool therefor |
| 03/16/2006 | DE202005020524U1 Elektrische Schaltanlage Electrical switchgear |
| 03/15/2006 | CN2765310Y Leveling and centering device for isolating switch operation mechanism |
| 03/15/2006 | CN1747088A Fast involute grounding switch with ultrahigh-voltage |
| 03/09/2006 | US20060049144 Switch and disconnector apparatus for electric substations |
| 03/08/2006 | EP1632969A2 Switch and disconnector apparatus for electric substations |
| 03/08/2006 | CN2763958Y Outdoor high-voltage isolation switch |
| 03/01/2006 | EP1629580A2 Switch assembly |
| 02/22/2006 | CN1737968A Double-breaks folding horizontal disintegration isolation switch |
| 02/22/2006 | CN1737967A Double-breaks folding vertical disintegration isolation switch |
| 02/21/2006 | US7002355 Apparatus and method for communications testing |
| 02/16/2006 | US20060034037 Switching installation provided with an electrically insulating barrier |
| 02/14/2006 | US6998853 Patchcord length measurement for LAN testers |
| 02/09/2006 | DE102004060165B3 Linear-travel disconnector e.g. for medium voltage power supply networks, contact arrangement of contact blade and contact fixed-point contact of post insulator |
| 02/09/2006 | DE102004006476B4 Lasttrennschalter Switch disconnectors |
| 02/07/2006 | US6995565 Thermographic wiring inspection |
| 02/07/2006 | US6995481 Energy saving electrical power control device and method |
| 02/07/2006 | US6995330 Earthing switch |
| 02/02/2006 | US20060022679 Apparatus for partial discharge detection of turn to turn insulation in motor |
| 02/01/2006 | CN1240168C Switch device and receptive adaptive device using said switch equipment |
| 01/25/2006 | EP1226641B1 Electrical switch with a metallic compartmented jacket for positioning disconnectors |
| 01/18/2006 | EP1617447A1 Earthing switch |
| 01/18/2006 | CN1723395A Patchcord length measurement for a LAN testers |
| 01/18/2006 | CN1722331A Earthing switch |
| 01/12/2006 | US20060006885 System and method for validating radio frequency identification tags |
| 01/11/2006 | EP1615309A2 Switchgear |
| 01/11/2006 | EP1614202A2 Earthing switch comprising a displaceable contact piece |
| 01/10/2006 | US6984795 Center break switch with reduced opening force requirement |
| 01/03/2006 | US6982558 Electric circuit test device |
| 01/03/2006 | US6982393 Lever fitting-type power supply circuit breaker |
| 12/29/2005 | DE10002800B4 NH-Sicherungsleiste NH-fuse block |
| 12/22/2005 | WO2005122352A1 Gas-insulated switchgear comprising an inspection glass for optically detecting the switching position of the switching contacts |
| 12/22/2005 | US20050280496 Composite insulator for fuse cutout |
| 11/30/2005 | CN1229834C Switch |
| 11/22/2005 | US6967445 Circuit continuity and function monitor |
| 11/17/2005 | WO2005109450A1 Compliant electrical contact assembly |
| 11/17/2005 | CA2564191A1 Compliant electrical contact assembly |
| 11/16/2005 | EP0988638B1 Arcing contact arrangement |
| 11/16/2005 | CN2741168Y Driver for driving and separating switching action |
| 11/15/2005 | US6965088 Interrupting apparatus having operations counter and methods of forming and using same |