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For the Inventor, By the Inventor

Guangdong, China

Cmech (Guangzhou) Ltd.


USPTO Granted Patents = 33

Trademarks = 1

Forward Citations = 45

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7 inventors (with patents filed for the assignee):

goldMedal Jia Sen Qiu (15 out of 15 patents)

silverMedal Wei Jin Chao (6 out of 6 patents)

bronzeMedal Fan Wang (4 out of 33 patents)

4.  Ding Gou Kun (3 out of 3 patents)

5.  Zhi Jie Pan (3 out of 3 patents)

6.  Chen Yuan Meng (1 out of 1 patent)

7.  Shuiwang Fan (1 out of 2 patents)


Core Competencies:
Latch Door Handle
Pneumatic Door Closer
Hydraulic Door Closer
Door Lock
Push-Pull Passage Lock
Automatic Door Stop
Anti-Unlatched Mechanism
Lifting Cabinet
Cupboard Balance System
Handle-Locking Mechanism
Latch Bolt Installation
Magnetically Actuated Seal

33 patents:

1. D1138647 - Latch door handle (2026-08-04),
2. D1127541 - Latch door handle (2026-05-26),
3. D1119514 - Patio door handle (2026-03-24),
4. 12523061 - Door lock with handle (2026-01-13),
5. 12404697 - Latch bolt installation structure and door lock using such structure (2025-09-02),
6. 12180745 - Door lock with handle (2024-12-31),
7. 12071805 - Hydraulic door closer capable of reducing oil-pressure therein in high temperature (2024-08-27),
8. 12024919 - Latch bolt installation structure and door lock using such structure (2024-07-02),
9. 11661763 - Anti-unlatched mechanism and a door lock thereof (2023-05-30),
10. 11572706 - Handle-locking mechanism and door lock using such mechanism (2023-02-07),
11. 11375807 - Lifting cabinet (2022-07-05),
12. 11242702 - Push-pull passage lock (2022-02-08),
13. 11096485 - Steel cable steering device, steel cable steering system and lifting cabinet (2021-08-24),
14. 11096484 - Lifting cabinet and device thereof (2021-08-24),
15. 11091948 - Hydraulic door closer capable of reducing oil-pressure therein in high temperature (2021-08-17),
Company Overview
Cmech (Guangzhou) Ltd. is a prominent player in the manufacturing and development of advanced mechanical and electronic systems. The company specializes in providing innovative solutions across various sectors, including automation, robotics, and precision engineering. With a strong emphasis on research and development, Cmech aims to enhance operational efficiency and product reliability. Based in Guangdong, China, the organization leverages its geographic advantage to cater to both domestic and international markets, driving technological advancement in its field.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Cmech (Guangzhou) Ltd. USPTO Patent Assignee Logo
33 Patents

#14 in Guangdong

#946 in China

#20,162 in the World

Guangdong, CN
Guangdong, China

Cmech (Guangzhou) Ltd.

Forward Citations = 45

7 inventors:

goldMedal Jia Sen Qiu (15 out of 15 patents)

silverMedal Wei Jin Chao (6 out of 6 patents)

bronzeMedal Fan Wang (4 out of 33 patents)

4.  Ding Gou Kun (3 out of 3 patents)

5.  Zhi Jie Pan (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cmech (Guangzhou) Ltd.. Retrieved from https://idiyas.com/company/cmech-guangzhou

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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