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For the Inventor, By the Inventor

Hong Kong, China

Chervon Limited


USPTO Granted Patents = 55



Trademarks = 1

Forward Citations = 579

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46 inventors (with patents filed for the assignee):

goldMedal Gan Wei (11 out of 25 patents)

silverMedal Masatoshi Fukinuki (9 out of 22 patents)

bronzeMedal Toshinari Yamaoka (7 out of 124 patents)

4.  Hongtao Zhou (7 out of 22 patents)

5.  Dezhong Yang (4 out of 62 patents)

6.  Guillaume Keller (4 out of 13 patents)

7.  Yongbing Zhu (4 out of 5 patents)

8.  Jianjun Shuang (4 out of 10 patents)

9.  Zhiguo Chen (3 out of 11 patents)

10.  Yasheng Chen (3 out of 6 patents)

11.  Keith Park (3 out of 10 patents)

12.  Haishen Xu (2 out of 46 patents)

13.  Yuexiang Zhang (2 out of 12 patents)

14.  Wu Chen (2 out of 30 patents)

15.  Shuming Wu (2 out of 40 patents)


Core Competencies:
Sanding Machine
Power Tool
Auto Hammer
Table Saw
Clamping Mechanism
Electric Shears
Circular Saw
Hedge Trimmer
Laser Distance Measuring Device
Reciprocating Saw
Battery Pack
Impact Screwdriver

55 patents:

1. 8894469 - Sanding machine with clamping mechanism (2014-11-25),
2. 8793886 - Power tool with a rotatable working head (2014-08-05),
3. 8783378 - Auto hammer (2014-07-22),
4. 8656902 - Table saw having a detachable table extension for cutting tile (2014-02-25),
5. 8602850 - Power sander having a sanding plate locking mechanism (2013-12-10),
6. 8596512 - Clamping mechanism for an electric hammer (2013-12-03),
7. D691437 - String trimmer (2013-10-15),
8. 8545143 - Router with a cutting depth adjustment mechanism (2013-10-01),
9. 8485276 - Auto hammer (2013-07-16),
10. 8479965 - Auto hammer (2013-07-09),
11. 8475236 - Sander having a damping element (2013-07-02),
12. 8469250 - Auto hammer (2013-06-25),
13. 8439243 - Nailer device (2013-05-14),
14. 8434234 - Electric shears (2013-05-07),
15. 8432535 - Optoelectronic range finder (2013-04-30),
Chervon Limited is a global manufacturer and distributor of power tools and outdoor power equipment. With headquarters in Nanjing, China, the company operates in over 65 countries worldwide. Chervon's mission is to provide innovative and reliable tools that empower people to create and achieve. They offer a wide range of products under various brands, including EGO, SKIL, and DEVON. Chervon is committed to sustainability and implementing eco-friendly practices throughout its operations.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 23 2025

55 Patents

#59 in Hong Kong

#531 in China

#12,536 in the World

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Hong Kong, China

Chervon Limited

Forward Citations = 579

46 inventors:

goldMedal Gan Wei (11 out of 25 patents)

silverMedal Masatoshi Fukinuki (9 out of 22 patents)

bronzeMedal Toshinari Yamaoka (7 out of 124 patents)

4.  Hongtao Zhou (7 out of 22 patents)

5.  Dezhong Yang (4 out of 62 patents)

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