Steffen Kuhnert

This inventor holds 6 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 10 EPO patents. Top assignees: Dkt Verwaltungs-Gmbh, Caterpillar Inc.. Active years: 2018-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Steffen Kuhnert. Retrieved from https://idiyas.com/inventor/steffen-kuhnert

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

USPTO Granted Patents = 6 (Patent Applications = 1)

% Patents Active = 100.0

CIPO Patents = 1

EPO Patents = 10 (Patent Applications = 14)

Average Co-Inventor Count = 1.2

ph-index = 1

Forward Citations = 7(Granted Patents)

Company Filing History:

Years Active: 2018-2025

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. D1089097 - Spark plug (2025-08-19),

2. 11715934 - Prechamber spark plug, ignition electrode for a prechamber spark plug and method for producing an ignition electrode (2023-08-01),

3. 11233380 - Prechamber spark plug (2022-01-25),

4. 11011892 - Pre-chamber spark plug and method for producing a pre-chamber spark plug (2021-05-18),

5. 9972979 - Prechamber spark plug for igniting a fuel-air mixture in an internal combustion engine (2018-05-15),

6. 9929539 - Prechamber spark plug (2018-03-27),

Title: Steffen Kuhnert: Innovator in Spark Plug Technology

Introduction

Steffen Kuhnert is a notable inventor based in Heidelberg, Germany. He has made significant contributions to the field of spark plug technology, holding a total of six patents. His innovative designs and methods have advanced the efficiency and functionality of ignition systems.

Latest Patents

Among his latest patents is a groundbreaking prechamber spark plug. This invention features a housing that includes a prechamber with an ignition electrode. The ignition electrode is uniquely designed with a base and electrode legs that protrude from it. These legs are crafted from a sheet made of an iridium alloy and are bent to form a basket shape. The innovative aspect of this design is that the ignition electrode, particularly the electrode legs, is separated from the sheet metal using laser cutting technology. This method enhances the precision and performance of the spark plug.

Career Highlights

Steffen has worked with several prominent companies throughout his career. Notably, he has been associated with DKT Verwaltungs-GmbH and Caterpillar Inc. His experience in these organizations has allowed him to refine his skills and contribute to various projects in the automotive and engineering sectors.

Collaborations

Steffen has collaborated with talented individuals such as Georg Maul and James Jay Cress. These partnerships have fostered a creative environment that has led to the development of innovative solutions in spark plug technology.

Conclusion

Steffen Kuhnert's contributions to spark plug technology exemplify his dedication to innovation and engineering excellence. His patents and collaborations reflect a commitment to advancing automotive technology.

Profile summary based on public USPTO records.