| Patents for H01H 29 - Switches having at least one liquid contact (943) |
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| 09/24/2002 | US6455790 Three-axis torus shaped gravity switch |
| 09/18/2002 | EP1240657A1 Switch device and method for manufacturing the same |
| 09/18/2002 | EP1240656A1 Liquid conductor switch device |
| 09/18/2002 | CN1370268A Attitude detecting device |
| 09/17/2002 | US6452121 Three-axis gravity switch having a hemispherical chamber |
| 09/10/2002 | US6448517 Three-axis magnetic gravity switch |
| 09/05/2002 | US20020121949 Conductive liquid-based latching switch device |
| 09/05/2002 | US20020121432 Multi-pole conductive liquid-based switch device |
| 08/28/2002 | EP1235242A2 Multi-pole switch device |
| 08/28/2002 | EP1235238A2 Latching switch device |
| 07/03/2002 | CN2498730Y 离心开关 Centrifugal switch |
| 06/26/2002 | EP1217329A1 Attitude detecting device |
| 06/06/2002 | US20020066657 Three-axis gravity switch |
| 05/28/2002 | US6396012 Attitude sensing electrical switch |
| 05/15/2002 | CN2491959Y Mercury switch and display brightness controller including same |
| 04/24/2002 | CN2488162Y Universal anti-vibration mercury switch |
| 04/16/2002 | US6373356 Microelectromechanical liquid metal current carrying system, apparatus and method |
| 04/11/2002 | WO2002029838A1 Improved conducting liquid tilt switch using weighted ball |
| 03/27/2002 | EP1190429A1 Self-recovering current-limiting device containing liquid metal |
| 02/27/2002 | CN1338039A Posture detection device |
| 02/13/2002 | EP1179829A1 Electrical contact breaker switch, integrated electrical contact breaker switch, and electrical contact switching method |
| 01/30/2002 | CN1333542A Method for making mercury type micromechanical inertia switch |
| 01/16/2002 | CN2472437Y Water boiling controller |
| 01/09/2002 | CN2470938Y Inclined automatic-break light-regulation swtich device |
| 01/09/2002 | CN1330780A Mechanical timepiece with posture detector having balance with hairspring |
| 12/19/2001 | CN1327549A Mechanical timepiece with attitude detector |
| 11/27/2001 | US6323447 Electrical contact breaker switch, integrated electrical contact breaker switch, and electrical contact switching method |
| 11/21/2001 | CN2461135Y Time delay automaitc monitoring controller in shine or rain |
| 11/06/2001 | US6313417 Conducting liquid tilt switch using weighted ball |
| 10/16/2001 | US6303886 Power management sensing rotating platter with liquid contact switch responsive to platter rotational speed |
| 10/09/2001 | US6300581 Christmas tree tip switch safety device |
| 09/19/2001 | CN2449384Y Power supply integrated socket capable of automatically switching off power supply when earthquake occurs |
| 09/12/2001 | CN2447784Y Water leakage detecting electrode |
| 09/05/2001 | CN2446611Y Music warner for bed-wetting |
| 08/28/2001 | US6281456 Three-axis gravity switch |
| 08/08/2001 | EP1122619A1 Mechanical timepiece with posture detector |
| 08/08/2001 | EP1122618A1 Mechanical timepiece with attitude detector |
| 07/18/2001 | CN1303813A Ozone generator (water-used) switch control system |
| 06/28/2001 | WO2001046975A1 Switch device and method for manufacturing the same |
| 06/28/2001 | WO2001046974A1 Liquid conductor switch device |
| 06/27/2001 | CN1301348A Emergency-deceleration condition transducer, controlling circuit for emergency-deceleration condition signal, and emergency brake lamp |
| 06/06/2001 | CN2433761Y Protecter for one-phase dry-type submersible pump |
| 03/21/2001 | CN2424481Y Liquid level electronic auto-controller |
| 03/20/2001 | US6204773 Mercury vibration warning switch |
| 03/07/2001 | EP0777755B1 Metallic material with low melting temperature |
| 02/28/2001 | CN2421699Y Urine wet alarm |
| 02/27/2001 | US6194066 Microscopic tube devices and method of manufacture |
| 02/22/2001 | WO2001013183A1 Mechanical timepiece with attitude detector |
| 02/22/2001 | WO2001013182A1 Mechanical timepiece with posture detector |
| 02/22/2001 | WO2001013064A1 Attitude detecting device |
| 02/20/2001 | US6191754 Antenna system using time delays with mercury wetted switches |
| 01/30/2001 | US6180873 Current conducting devices employing mesoscopically conductive liquids |
| 01/24/2001 | CN1281237A Communication equipment and its gravitational switch |
| 01/10/2001 | CN2414398Y Water level indication controller |
| 12/21/2000 | WO2000077811A1 Self-recovering current-limiting device containing liquid metal |
| 12/21/2000 | DE19927065A1 Selbsterholende Strombegrenzungseinrichtung mit Flüssigmetall Self-recovering current-limiting device with liquid metal |
| 12/20/2000 | EP1060491A1 Electrical contact breaker switch, integrated electrical contact breaker switch, and electrical contact switching method |
| 11/28/2000 | US6152181 Microdevices based on surface tension and wettability that function as sensors, actuators, and other devices |
| 11/15/2000 | CN2406274Y Domestic water-basin water-suction automatic controller |
| 11/08/2000 | CN2405249Y Watch with means for regular posture |
| 10/19/2000 | DE19916322A1 Elektrodenanordnung für elektrische Einrichtungen mit Flüssigmetall Electrode assembly for electrical equipment with liquid metal |
| 10/18/2000 | EP1045419A1 Electrode arrangement for electrical devices with liquid metal |
| 09/05/2000 | US6113722 Microscopic tube devices and method of manufacture |
| 07/19/2000 | CN2388627Y Multi-functional revolving desk calendar |
| 07/13/2000 | WO2000041198A1 Electrical contact breaker switch, integrated electrical contact breaker switch, and electrical contact switching method |
| 05/10/2000 | CN2377667Y Soft wet-sensitive sensing switch |
| 05/09/2000 | US6059001 Apparatus for manufacturing microtubes with axially variable geometries |
| 05/02/2000 | US6057773 Unanchored sensor for fluid characteristics |
| 04/26/2000 | CN2376071Y Contactless foot switch for machine |
| 03/16/2000 | WO2000014550A1 Emergency-deceleration condition transducer, controlling circuit for emergency-deceleration condition signal, and emergency brake lamp |
| 03/01/2000 | EP0982126A1 Current supply for a printing machine cylinder |
| 03/01/2000 | CN2366963Y Special use, single body and double sleeve type electronic signal switch |
| 01/04/2000 | US6009762 Fluid flow detector |
| 12/30/1999 | DE19855938C1 Arrangement for detecting melting point of solder for making connections in electronic equipment |
| 12/22/1999 | CN2355422Y Contactless explosionproof A.C. contactor |
| 11/17/1999 | CN2349711Y Operation convenient and accurate remote controller |
| 10/27/1999 | CN2346061Y Liquid switch for safety rope |
| 09/15/1999 | EP0686116B1 Electrical switches and sensors which use a non-toxic liquid metal composition |
| 09/08/1999 | CN2337666Y Safety attractive switch |
| 08/25/1999 | CN2335249Y Self-controlled power source switch |
| 07/21/1999 | EP0813744B1 Electroconductive liquid in a temperature range from less than -50 c to more than 160 c |
| 07/15/1999 | WO1999035347A1 Microdevices based on surface tension and wettability that function as sensors, actuators, and other devices |
| 06/15/1999 | US5912606 Mercury wetted switch |
| 02/24/1999 | CN2308954Y 自动位置开关 Automatic position switch |
| 08/26/1998 | CN2289292Y Speed relay |
| 08/04/1998 | US5789045 Microtubes devices based on surface tension and wettability |
| 06/16/1998 | US5767775 Unanchored sensor and level sensor |
| 05/26/1998 | US5755741 Body position and activity sensor |
| 05/12/1998 | US5751074 Non-metallic liquid tilt switch and circuitry |
| 04/29/1998 | EP0645050B1 Mercury-free position switch |
| 03/19/1998 | WO1998011579A1 Electric switch with an air-tight closed housing with contacts and an electric contact-making liquid metal |
| 03/04/1998 | EP0777755A4 Metallic material with low melting temperature |
| 12/29/1997 | EP0813744A1 ELECTROCONDUCTIVE LIQUID IN A TEMPERATURE RANGE FROM LESS THAN -50o TO MORE THAN 160 oC |
| 12/03/1997 | CN2269653Y Over temperature alarm for power socket |
| 11/19/1997 | CN2268304Y Induction type liquid-level switch |
| 07/23/1997 | EP0686116A4 Electrical switches and sensors which use a non-toxic liquid metal composition |
| 06/11/1997 | EP0777755A1 Metallic material with low melting temperature |
| 04/29/1997 | US5625344 Low fluid level warning device |
| 03/05/1997 | CN2248920Y Liquid level electronic switch |
| 02/19/1997 | EP0758442A1 A detector |