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For the Inventor, By the Inventor

Schwieberdingen, Germany

Hans-Joachim Siebert

This inventor holds 6 USPTO granted patents. Top assignee: Robert Bosch. Active years: 1985-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hans-Joachim Siebert. Retrieved from https://idiyas.com/inventor/hans-joachim-siebert

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 4.9

ph-index = 4

Forward Citations = 78(Granted Patents)


Company Filing History:

goldMedal6 out of 30,245 
 
Robert Bosch
 patents

Years Active: 1985-1993

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6 patents (USPTO):Explore Patents
1. 5267546 - Method and apparatus for controlling a fuel pump (1993-12-07),
2. 5245501 - Process and apparatus for controlling and measuring the movement of an (1993-09-14),
3. 5209208 - Fuel injection pump for diesel internal combustion engines (1993-05-11),
4. 5168847 - Fuel injection pump for internal combustion engines (1992-12-08),
5. 5005548 - Fuel injection pump (1991-04-09),
6. 4549511 - Fuel injection system for direct fuel injection in internal combustion (1985-10-29),

Title: The Innovations of Hans-Joachim Siebert

Introduction

Hans-Joachim Siebert is a notable inventor based in Schwieberdingen, Germany. He has made significant contributions to the field of engineering, particularly in the automotive sector. With a total of six patents to his name, Siebert has demonstrated a commitment to innovation and technological advancement.

Latest Patents

One of his latest patents is a method and apparatus for controlling a fuel pump. This invention focuses on the flow of fuel for gasoline or diesel engines by controlling a solenoid valve that actuates the fuel pump. The design includes a pump piston driven by the camshaft, which pressurizes the fuel for delivery to individual cylinders. The control unit determines the trigger signals for the solenoid valve based on angular markings on the camshaft. This innovative approach allows for precise control over the timing of fuel injection, enhancing engine performance.

Career Highlights

Hans-Joachim Siebert has spent a significant portion of his career at Robert Bosch GmbH, a leading company in automotive technology. His work has contributed to advancements in fuel management systems, which are crucial for modern engine efficiency and emissions control.

Collaborations

Throughout his career, Siebert has collaborated with esteemed colleagues such as Anton Karle and Alfred Schmitt. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the automotive industry.

Conclusion

Hans-Joachim Siebert's contributions to the field of engineering, particularly in fuel pump technology, highlight his innovative spirit and dedication to improving automotive performance. His patents reflect a deep understanding of engineering principles and a commitment to advancing technology.

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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