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Taipei Hsien, Taiwan

De Poan Pneumatic Corp.

USPTO Granted Patents = 55

Forward Citations = 670

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35 inventors (with patents filed for the assignee):

Chia-Sheng Liang (17 out of 26 patents)

I-Tsung Wu (13 out of 18 patents)

Wan-Fu Wen (11 out of 12 patents)

4. Yun-Chung Lee (6 out of 17 patents)

5. Yi-Wei Wen (3 out of 3 patents)

6. Zhen-Liang Liao (3 out of 3 patents)

7. Chu Hsiang Tseng (3 out of 3 patents)

8. Po-Feng Huang (3 out of 4 patents)

9. Wen-Chin Chen (3 out of 4 patents)

10. Marco Laubach (2 out of 14 patents)

11. Chu-Hsiang Tseng (2 out of 4 patents)

12. Hai-Lun Ma (2 out of 2 patents)

13. Yi-Zhuo Zhang (2 out of 2 patents)

14. Yi-Hui Chen (2 out of 2 patents)

15. Yi-Tsung Wu (2 out of 2 patents)

Core Competencies:

Pneumatic Nail Gun

Electric Nail Gun

Nail Drive Device

Trigger Valve

Clutch Mechanism

Braking Mechanism

Nail Positioning Member

Air-Supply Control Assembly

Dynamic Clutch Apparatus

Nailer Magazine

Fastener Driving Tool

Control Mechanism

55 patents: Sort by Forward Citations

1. 12186932 - Internal rotor type nail drive device of electric nail gun (2025-01-07),

2. 12036651 - Nail drive method of electric nail gun (2024-07-16),

3. 11801588 - Pneumatic hand tool with adjustable operating angle (2023-10-31),

4. 11759931 - Nail drive device of electric nail gun (2023-09-19),

5. 11583986 - Air-path structure of pneumatic nail gun (2023-02-21),

6. 10626725 - Gas passage switching structure for pneumatic rotary hand tool (2020-04-21),

7. 10421174 - Pneumatic rotary tool with air-supply control assembly (2019-09-24),

8. 10016884 - Pneumatic nail gun capable of striking nails in automatic mode (2018-07-10),

9. 8991675 - Dynamic clutch apparatus for electrical nail gun (2015-03-31),

10. 8684246 - Driving device for resetting hitting nail bar of pneumatic nail gun (2014-04-01),

11. 8646672 - Nail positioning member of nail slot of nail gun (2014-02-11),

12. 8567654 - Locking mechanism of nail gun (2013-10-29),

13. 8215529 - Pneumatic device (2012-07-10),

14. 8162195 - Trigger valve controlling device for pneumatic nail gun (2012-04-24),

15. 8104658 - Block device for nail gun (2012-01-31),

DE POAN PNEUMATIC CORP. specializes in providing high-quality pneumatic components and solutions for various industries. With a focus on innovation and reliability, we offer a wide range of pneumatic products including air cylinders, air preparation units, solenoid valves, fittings, and tubing. Our goal is to assist our customers in enhancing their automation processes and improving overall operational efficiency. Visit our website to explore our product range and discover how our solutions can benefit your business.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

55 Patents

#5 in Taipei Hsien

#357 in Taiwan

#12,535 in the World

Taipei Hsien, Taiwan

De Poan Pneumatic Corp.

Forward Citations = 670

35 inventors:

Chia-Sheng Liang (17 out of 26 patents)

I-Tsung Wu (13 out of 18 patents)

Wan-Fu Wen (11 out of 12 patents)

4. Yun-Chung Lee (6 out of 17 patents)

5. Yi-Wei Wen (3 out of 3 patents)

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