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For the Inventor, By the Inventor

Annecy, France

Claude R Grossiord

This inventor holds 16 USPTO granted patents. Top assignees: St Dupont, Cricket Sarl, S. T. Dupont Company. Active years: 1979-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Claude R Grossiord. Retrieved from https://idiyas.com/inventor/claude-r-grossiord

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

USPTO Granted Patents = 16

% Patents Active = 100.0

Average Co-Inventor Count = 1.2

ph-index = 6

Forward Citations = 116(Granted Patents)


Company Filing History:

goldMedal14 out of 66 
 
St Dupont
 patents
silverMedal1 out of 1 
 
Cricket Sarl
 patent
bronzeMedal1 out of 1 
 
S. T. Dupont Company
 patent

Years Active: 1979-1990

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16 patents (USPTO):Explore Patents
1. D309525 - Key-ring (1990-07-31),
2. D304976 - Key-ring (1989-12-12),
3. D303997 - Key-ring (1989-10-17),
4. D302700 - Clip for writing instrument (1989-08-08),
5. 4809551 - Device for detecting the liquid level in a tank, particularly a lighter (1989-03-07),
6. 4787329 - Device for detection of imminent gas depletion of a liquified gas tank (1988-11-29),
7. D297022 - Ball point pen (1988-08-02),
8. D297021 - Fountain pen (1988-08-02),
9. D297020 - Ball point pen (1988-08-02),
10. D295985 - Ball point pen (1988-05-31),
11. 4630937 - Watches or the like equipped with a display device of the date type (1986-12-23),
12. 4588374 - Device for controlling the flowrate of a liquefied-gas lighter (1986-05-13),
13. 4544297 - Ball point pen venting (1985-10-01),
14. 4484888 - Adjustable expander-evaporator and variable maximum flow limiter for a (1984-11-27),
15. 4413530 - Device for measuring and monitoring gas flowrates (1983-11-08),

Title: Claude R Grossiord: Innovator in Key-ring Design

Introduction

Claude R Grossiord is a notable inventor based in Annecy, France. He has made significant contributions to the field of design, particularly with his innovative key-ring inventions. With a total of 16 patents to his name, Grossiord has established himself as a creative force in the industry.

Latest Patents

Among his latest patents, Grossiord has developed a unique key-ring that showcases his inventive spirit. This design not only serves a practical purpose but also reflects his commitment to enhancing everyday items.

Career Highlights

Throughout his career, Grossiord has worked with prestigious companies such as S.T. Dupont and St Dupont. His experience in these organizations has allowed him to refine his skills and contribute to high-quality product designs.

Collaborations

Grossiord has collaborated with talented individuals in the industry, including Laurent J Guadagnin and John A Jensen. These partnerships have further enriched his work and expanded his creative horizons.

Conclusion

Claude R Grossiord is a distinguished inventor whose work in key-ring design has left a lasting impact. His innovative approach and collaborations with esteemed companies and individuals highlight his significant contributions to the field.

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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