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For the Inventor, By the Inventor

Taichung, Taiwan

Chih-Ching Hsien

This inventor holds 74 USPTO granted patents, primarily in Hand Tool Innovation (CPC class B25B). Top assignee: Other. Active years: 2003-2007.

USPTO Granted Patents = 74

% Patents Active = 89.2

Average Co-Inventor Count = 1.0

ph-index = 15

Forward Citations = 697(Granted Patents)

Forward Citations (Not Self Cited) = 681(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Fen Yuan, Taichung, TW (2004)
  • Taipei, TW (2003 - 2006)
  • Taichung, TW (2003 - 2007)
  • Feng Yuan, Taichung, TW (2003 - 2007)

Company Filing History:

goldMedal71 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 2003-2007

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Areas of Expertise:
Adjustable Spanner
Pipe Wrench
Extendable Handles
Quick Release Device
Ratchet Control
Dual Function Wrench
Strain Gauges
Hexagonal Spanner
Torque Detection
Paw Control Mechanism
Magnetic Socket
Box End Wrench
74 patents (USPTO):Explore Patents
1. 7240591 - Adjustable spanner (2007-07-10),
2. 7185564 - Pipe wrench having a fixed positioning ring (2007-03-06),
3. 7178431 - Extendable handles for hand tools (2007-02-20),
4. 7131358 - Quick release device for releasing screw bit from socket (2006-11-07),
5. 7121171 - Ratchet control structure of bidirectional ratchet spanner (2006-10-17),
6. 7117770 - Dual function wrench (2006-10-10),
7. 7104168 - Slide stop device of a hexagonal spanner (2006-09-12),
8. 7066057 - Wrench with jaws having different tilt angles (2006-06-27),
9. 7062978 - Hand tool with strain gauges (2006-06-20),
10. 7059222 - Slide stop device of a hexagonal spanner (2006-06-13),
11. 7044621 - Lamp seat of a hand tool (2006-05-16),
12. 7044034 - Slide stop device of a hexagonal spanner (2006-05-16),
13. 7040202 - Slide stop device of a hexagonal spanner (2006-05-09),
14. 7017455 - Handle of a hand tool (2006-03-28),
15. 7013763 - Wrench with display device (2006-03-21),

Title: The Innovative Mind of Chih-Ching Hsien

Introduction: Chih-Ching Hsien, based in Taichung, Taiwan, is a prolific inventor with an impressive portfolio of 74 patents. His work demonstrates a commitment to enhancing practical tools and machinery, making everyday tasks more efficient and user-friendly.

Latest Patents: Among Hsien's latest inventions is an innovative adjustable spanner. This tool features a main body equipped with a fixed jaw and a slideway, along with an adjustment screw that is rotatably mounted. The movable jaw, which is formed with a neck portion having a rack, slides smoothly within the slideway. Significantly, magnetic members are integrated between the slideway and the movable jaw, allowing for effortless operation through the magnetic repulsion.

Another noteworthy patent is his ratchet pipe wrench, designed with a C-shaped head that houses two jaws and a ratchet mechanism. The inclusion of a C-shaped positioning ring securely fastens within a groove inside the jaws, ensuring that only the engaging member can rotate relative to the head, improving both safety and functionality.

Career Highlights: Over his career, Chih-Ching Hsien has consistently driven innovation across various mechanical tools, demonstrating both creativity and technical skill. His contributions have made significant impacts in the field of tool design, particularly enhancing usability for both amateur and professional users.

Collaborations: While there are no specific details about collaborations available, Hsien's work and patents potentially reflect a synergy with the broader engineering and design community, often seen through industry standards and innovative benchmarks.

Conclusion: Chih-Ching Hsien exemplifies the spirit of innovation through his numerous patents and inventions. His continuous effort to improve tool efficiency not only underscores his expertise but also contributes significantly to advancements in handy equipment design. As he continues to innovate, his work is sure to inspire future generations of inventors and engineers.

Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
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