Yannick Kieffel

This inventor holds 19 USPTO granted patents and 6 published patent applications, plus 1 CIPO patent and 24 EPO patents, primarily in Gas-Insulated Electrical Devices. Top assignees: General Electric Technology Gmbh, Alstom Technology Limited, Areva T&d Sa. Active years: 2010-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yannick Kieffel. Retrieved from https://idiyas.com/inventor/yannick-kieffel

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

Calculating rank

USPTO Granted Patents = 19 (Patent Applications = 6)

% Patents Active = 78.9

CIPO Patents = 1 (Patent Applications = 7)

EPO Patents = 24 (Patent Applications = 25)

Average Co-Inventor Count = 3.0

ph-index = 4

Forward Citations = 38(Granted Patents)

Location History:

St Jean de Bournay, FR (2010)
Frontonas, FR (2010 - 2011)
Saint-Jean-de-Bournay, FR (2011 - 2022)
Villeurbanne, FR (2021 - 2024)

Company Filing History:

7 out of 674

General Electric Technology Gmbh

patents

3 out of 1,386

Alstom Technology Limited

Ge Infrastructure Technology, LLC

patents

5. 2 out of 950

Schneider Electric Industries Sas

Schneider Electric Energy France

patents

Years Active: 2010-2024

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Areas of Expertise:

Gas-Insulated Apparatus

Circuit Breaker

High-Voltage Device

Electrical Insulation

Dielectric Gas

Eco-Friendly Insulation

Medium-Voltage Device

Hydrofluoroolefin

Ceria-Based Catalyst

Micro-Capsules

Carbon Dioxide

Heptafluoroisobutyronitrile

19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12176162 - Gas-insulated electrical apparatus comprising carbon dioxide, heptafluoroisobutyronitrile and a high content of oxygen (2024-12-24),

2. 11996251 - Gas insulating device with anti-liquification means (2024-05-28),

3. 11554341 - Circuit breaker comprising a metal-organic framework material for co adsorption (2023-01-17),

4. 11462377 - Electric arc-blast nozzle made of a material comprising micro-capsules of liquid (CF3)2CFCN and a circuit breaker including such a nozzle (2022-10-04),

5. 11433348 - Method and apparatus for recycling heptafluoroisobutyronitrile (2022-09-06),

6. 11056300 - Circuit breaker comprising a ceria-based catalyst for CO conversion into CO2 (2021-07-06),

7. 11017919 - Medium-voltage or high-voltage electrical device having low-thickness hybrid insulation (2021-05-25),

8. 10770198 - Method and facility for filling a gas-insulated electrical apparatus comprising a mixture of (CF3)2CFCN and CO2 (2020-09-08),

9. 10643764 - Gas-insulated electrical apparatus filled with a dielectric gas (2020-05-05),

10. 9899125 - Medium- or high-voltage electrical appliance having a low environmental impact and hybrid insulation (2018-02-20),

11. 9837801 - Gas-insulated medium or high-voltage electrical apparatus including carbon dioxide, oxygen, and heptafluoro-isobutyronitrile (2017-12-05),

12. 9510493 - Mixture of hydrofluoroolefin and fluoroketone for use as an insulation and/or ARC extinguishing medium and a gas insulated medium-voltage electrical device comprising same (2016-11-29),

13. 9491877 - Use of a mixture comprising a hydrofluoroolefin as a medium-voltage arc-extinguishing and/or insulating gas and medium-voltage electrical device comprising same (2016-11-08),

14. 8852466 - Switchgear for breaking a medium- or high-voltage electric current and a manufacturing method therefor (2014-10-07),

15. 8698033 - Interrupting chamber with a field distributor cylinder for high-voltage or medium-voltage circuit breakers (2014-04-15),

Title: The Innovative Contributions of Yannick Kieffel

Introduction

Yannick Kieffel is a prominent inventor based in Saint-Jean-de-Bournay, France. He has made significant contributions to the field of electrical engineering, particularly in the development of gas-insulated electrical apparatuses. With a total of 19 patents to his name, Kieffel's work is characterized by innovative solutions that enhance the safety and efficiency of electrical devices.

Latest Patents

Among his latest patents is a gas-insulated electrical apparatus that utilizes a mixture of carbon dioxide, heptafluoroisobutyronitrile, and a high content of oxygen. This invention focuses on medium- and high-voltage equipment that includes a leaktight enclosure housing electrical components and a gas mixture for electrical insulation and arc extinguishing. Another notable patent is for a gas insulating device equipped with anti-liquefaction means. This device is designed to maintain the composition of an insulating gas mixture within a sealed chamber, ensuring effective electrical insulation and arc extinguishing capabilities.

Career Highlights

Kieffel has worked with several esteemed companies throughout his career, including General Electric Technology GmbH and Alstom Technology Limited. His experience in these organizations has allowed him to refine his expertise in electrical engineering and contribute to groundbreaking innovations in the industry.

Collaborations

Throughout his career, Kieffel has collaborated with notable professionals such as Alain Girodet and François Biquez. These collaborations have further enriched his work and led to advancements in electrical technology.

Conclusion

Yannick Kieffel's contributions to the field of electrical engineering are marked by his innovative patents and collaborations. His work continues to influence the development of safer and more efficient electrical devices.

Profile summary based on public USPTO records.