H01H35/28 - CPC Classification Index

ClassID:

203048 ⎘

H01H35/28 - CPC Classification

Classification description:

Switches operated by change of a physical condition; Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow; Details Compensation for variation of ambient pressure or temperature

Recent Application in this class:

20230221370

2023-07-13

Gas density relay having simulation check function and simulation check method thereof

20230168302

2023-06-01

Gas density relay with online self-checking function and checking method therefor

20220390518

2022-12-08

Method for modifying gas density relay, and gas density relay having online self-checking function and checking method therefor

20220336172

2022-10-20

Method for modifying gas density relay, and gas density relay having online self-checking function and checking method therefor

20220080103

2022-03-17

Pressure-Operated Switch

20210285681

2021-09-16

THERMOELECTRIC TRIPPING DEVICE AND COUPLING ARRANGEMENT THEREOF

20210043402

2021-02-11

METHOD FOR IMPROVING GAS DENSITY RELAY PRECISION AND A HIGH-PRECISION GAS DENSITY RELAY

20180311419

2018-11-01

Pressure-operated switch

20170115354

2017-04-27

Method and device for testing a temperature-compensated, pressure-gradient-controlled pressure switch

#10

20160035520

2016-02-04

Pressure switch with temperature enable function

#11

20120199465

2012-08-09

Fluid pressure responsive electric switch

#12

20120019308

2012-01-26

Pressure switch with temperature enable function