ClassID:

202805

H01H29/28 - CPC Classification

Classification description:

Switches having at least one liquid contact with level of surface of contact liquid displaced by fluid pressure

Recent Application in this class:
#1
20260031293
2026-01-29

STABILIZED LIQUID-SOLID ELECTRICAL CONTACT

#2
20250232932
2025-07-17

STABILIZED LIQUID-SOLID ELECTRICAL CONTACT

#3
20240404772
2024-12-05

STABILIZED LIQUID-SOLID ELECTRICAL CONTACT

#4
20230335355
2023-10-19

Liquid metal MEMS switch

#5
20210063340
2021-03-04

CHIP, METHOD OF OPERATING CHIP, AND DETECTION DEVICE

#6
20200211798
2020-07-02

Liquid metal MEMS switch

#7
20120222944
2012-09-06

RF MEMS switch using change in shape of fine liquid metal droplet

#8
20110155546
2011-06-30

Environmentally protected switch for water activated devices

#9
20090115565
2009-05-07

LIQUID METAL RELAY

#10
20070144881
2007-06-28

Circuit for initiating conductive liquid droplet motion in a switch

#11
20070089975
2007-04-26

Liquid metal switch employing a switching material containing gallium

#12
20070023266
2007-02-01

Fluid-based switch, and method of making same

#13
20060191778
2006-08-31

Liquid metal switch employing a single volume of liquid metal

#14
20060146466
2006-07-06

Process and device for current switching with a fluid-driven liquid metal current switch

#15
20060017532
2006-01-26

Metallic contact electrical switch incorporating lorentz actuator

#16
20050263379
2005-12-01

Reduction of oxides in a fluid-based switch

#17
20050231070
2005-10-20

Liquid metal processing and dispensing for liquid metal devices

#18
20050199480
2005-09-15

Switch with lid

#19
20050199479
2005-09-15

Switch, with lid mounted on a thickfilm dielectric

#20
20050134412
2005-06-23

Method of manufacturing an electromagnetic relay

#21
20050077160
2005-04-14

Relay

#22
20050051412
2005-03-10

Ceramic channel plate for a fluid-based switch, and method for making same

#23
20050034963
2005-02-17

Fluid-based switch

#24
20050034962
2005-02-17

Reducing oxides on a switching fluid in a fluid-based switch

#25
20050000784
2005-01-06

Liquid switch production and assembly

#26
16397073
2020-06-30

Flexible filter element using liquid metal and method of preparing the same