ClassID:

220548

H03H2009/02251 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Details of microelectro-mechanical resonators Design

Recent Application in this class:
#1
20260005667
2026-01-01

RESONATOR ELEMENT

#2
20260005666
2026-01-01

RESONATOR ELEMENT

#3
20250309859
2025-10-02

DUAL-MODE MEMS RESONATORS WITH LOW SUPPORT LOSS

#4
20240294372
2024-09-05

Microelectromechanical Devices For Higher Order Passive Temperature Compensation and Methods of Designing Thereof

#5
20190245513
2019-08-08

Micromechanical resonator having reduced size

#6
20190227034
2019-07-25

Thermal-piezoresistive oscillator-based aerosol sensor and aerosol sensing method

#7
20160118955
2016-04-28

Multiple coil spring MEMS resonator

#8
20160118954
2016-04-28

Compound spring MEMS resonators for frequency and timing generation

#9
20160006412
2016-01-07

Planar structure of a mechanical resonator decoupled by bending oscillation and expansion/compression vibrations

#10
20140091871
2014-04-03

MEMS element and oscillator

#11
20130200752
2013-08-08

Methods and apparatus for mechanical resonating structures

#12
20130106533
2013-05-02

Self-polarized capacitive micromechanical resonator apparatus and fabrication method

#13
20120295384
2012-11-22

Method of manufacturing a microelectromechanical system (MEMS) resonator

#14
20120249265
2012-10-04

Resonator and method of controlling the same

#15
20110309891
2011-12-22

Micro-electromechanical resonator geometry

#16
20090158566
2009-06-25

Method for fabricating a microelectromechanical system (MEMS) resonator

#17
18449089
2025-05-13

Techniques for adding compensating material(s) in semiconductor devices

#18
17901748
2023-09-19

Temperature stable MEMS resonator

#19
17363386
2022-10-11

Temperature stable MEMS resonator

#20
16029223
2019-11-12

Dual-mode MEMS resonator, oscillator, sensor, timing device, acoustic filter and front-end module and the methods of making

#21
14863337
2017-01-17

Temperature stable MEMS resonator