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Patents Grantslast 30 patents

Information Patent Grant
Preparation method of a passive horn
- Patent number 11,981,061
- Issue date May 14, 2024
- Tymphany Acoustic Technology (Huizhou) Co., Ltd.
- Shuhong Cen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Passive horn integrally formed by using thermoplastic vulcanized ru...
- Patent number 11,780,131
- Issue date Oct 10, 2023
- Tymphany Acoustic Technology (Huizhou) Co., Ltd.
- Shuhong Cen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Passive horn integrally formed by using thermoplastic vulcanized ru...
- Patent number 11,338,483
- Issue date May 24, 2022
- Tymphany Acoustic Technology (Huizhou) Co., Ltd.
- Shuhong Cen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
PREPARATION METHOD OF A PASSIVE HORN
- Publication number 20240253281
- Publication date Aug 1, 2024
- Tymphany Acoustic Technology (Huizhou) Co., Ltd.
- Shuhong CEN
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
PASSIVE HORN INTEGRALLY FORMED BY USING THERMOPLASTIC VULCANIZED RU...
- Publication number 20210394410
- Publication date Dec 23, 2021
- Tymphany Acoustic Technology (Huizhou) Co., Ltd.
- Shuhong CEN
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PASSIVE HORN INTEGRALLY FORMED BY USING LIQUID SILICONE RUBBER AND...
- Publication number 20200001509
- Publication date Jan 2, 2020
- Tymphany Acoustic Technology (Huizhou) Co., Ltd.
- Shuhong CEN
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
PASSIVE HORN INTEGRALLY FORMED BY USING THERMOPLASTIC VULCANIZED RU...
- Publication number 20190337203
- Publication date Nov 7, 2019
- Tymphany Acoustic Technology (Huizhou) Co., Ltd.
- Shuhong CEN
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL