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For the Inventor, By the Inventor

Oberwil, Switzerland

Hans Wilhelm Liechti

This inventor holds 10 USPTO granted patents. Top assignees: Ciba-Geigy Corporation, Ciba-Geigy Ag. Active years: 1976-1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hans Wilhelm Liechti. Retrieved from https://idiyas.com/inventor/hans-wilhelm-liechti

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 3

Forward Citations = 23(Granted Patents)


Location History:

  • Oberwill, CH (1977)
  • Oberwil, CH (1976 - 1982)

Company Filing History:

goldMedal7 out of 6,858 
 
Ciba-Geigy Corporation
 patents
silverMedal3 out of 595 
 
Ciba-Geigy Ag
 patents

Years Active: 1976-1982

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10 patents (USPTO):Explore Patents
1. 4327018 - Azo dyes and the production and use thereof (1982-04-27),
2. 4155708 - Continuous dyeing or printing process (1979-05-22),
3. 4083847 - Transiently water-soluble disperse mono-azo dyes containing a (1978-04-11),
4. 4062836 - Disperse phenylazophenylazobarbituric acid dyestuffs (1977-12-13),
5. 4018558 - Exhaust process for the dyeing of synthetic organic textile material in (1977-04-19),
6. 4015934 - Process for the dyeing of synthetic textile material (1977-04-05),
7. 4013408 - Exhaust process for the dyeing of synthetic organic textile materials in (1977-03-22),
8. 3972676 - Exhaust process for the dyeing of synthetic organic textile material (1976-08-03),
9. 3945991 - Heterocyclic azo compounds containing a quaternated hydrazide group (1976-03-23),
10. 3945989 - Fluoro triazine containing water insoluble azo dyestuff (1976-03-23),

Title: The Innovative Journey of Hans Wilhelm Liechti

Introduction: Hans Wilhelm Liechti, a pioneering inventor hailing from Oberwil, Switzerland, has made significant contributions to the field of technology through his groundbreaking inventions and patents.

Latest Patents: Liechti's latest patents showcase his commitment to innovation, with a focus on advancements in renewable energy technologies and sustainable solutions for environmental challenges.

Career Highlights: Throughout his illustrious career, Liechti has been recognized for his inventive spirit and dedication to creating cutting-edge technologies that have the potential to shape the future of various industries.

Collaborations: Liechti has collaborated with leading research institutions and universities to further his research and bring his innovative ideas to life. His partnerships have been instrumental in pushing the boundaries of technological innovation.

Conclusion: Hans Wilhelm Liechti's passion for innovation and his relentless pursuit of technological advancement have solidified his reputation as a visionary inventor in the global landscape of inventors and patents.

Profile summary based on public USPTO records.
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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