logo

For the Inventor, By the Inventor

Stuttgart, Germany

Heinz Siegel

This inventor holds 55 USPTO granted patents and 2 published patent applications and 14 EPO patents, primarily in Hydraulic Brake Systems (CPC class 3031). Top assignees: Robert Bosch, Elringklinger Ag, Other. Active years: 1981-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Heinz Siegel. Retrieved from https://idiyas.com/inventor/heinz-siegel

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

USPTO Granted Patents = 55 

% Patents Active = 96.4

 

Average Co-Inventor Count = 1.9

ph-index = 12

Forward Citations = 484(Granted Patents)

Forward Citations (Not Self Cited) = 470(Dec 10, 2025)


Inventors with similar research interests:


Company Filing History:

goldMedal54 out of 30,209 
 
Robert Bosch
 patents
silverMedal1 out of 181 
 
Elringklinger Ag
 patents
bronzeMedal1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1981-2012

Loading Chart...
Loading Chart...
Areas of Expertise:
High Pressure Fuel Pump
Piston Pump
Hydraulic Brake System
Electromagnetic Valve
Slip-Controlled System
Brake Booster
Pressure Regulation
Hydraulic Unit
Check Valve
Brake Device
Damping Pressure Fluctuations
ABS Damper Chamber
55 patents (USPTO):Explore Patents
1. 8202065 - High pressure fuel pump (2012-06-19),
2. 7959159 - Sealing arrangement (2011-06-14),
3. 7168929 - Pump aggregate for a hydraulic vehicle braking system (2007-01-30),
4. 6598512 - Piston pump (2003-07-29),
5. 6499970 - Pump unit for a vehicle brake system (2002-12-31),
6. 6394770 - Piston pump (2002-05-28),
7. 6322163 - Hydraulic vehicle brake system with antilock device (2001-11-27),
8. 6276909 - Piston pump for a hydraulic brake system of a vehicle (2001-08-21),
9. 6267457 - Hydraulic unit for a slip-controlled motor vehicle brake system (2001-07-31),
10. 6196812 - Pump unit for a hydraulic brake system (2001-03-06),
11. 6189984 - Hydraulically actuated stop valve and hydraulic brake system for a vehicle (2001-02-20),
12. 6168245 - Hydraulic brake system for motor vehicles (2001-01-02),
13. 6135735 - Piston pump (2000-10-24),
14. 6123396 - Slip-controlled hydraulic vehicle brake system (2000-09-26),
15. 6113365 - Piston pump (2000-09-05),

Title: The Inventor Profile - Heinz Siegel

Introduction:

Heinz Siegel, an innovative inventor based in Stuttgart, Germany, has left a remarkable mark in the field of high-pressure fuel systems and sealing arrangements.

Latest Patents:

With an impressive portfolio of 55 patents, Mr. Siegel's latest inventions include a groundbreaking High-Pressure Fuel Pump design. This pump features a pressure-limiting valve with a unique throttle device, ensuring precise control over fuel delivery. Additionally, his Sealing Arrangement patent showcases advanced sealing technologies for maintaining tight seals between different medium spaces.

Career Highlights:

Throughout his career, Heinz Siegel has made significant contributions to companies such as Robert Bosch GmbH and ElringKlinger AG. His expertise in engineering and innovation has been instrumental in developing cutting-edge technologies for various industries.

Collaborations:

During his tenure at Robert Bosch GmbH and ElringKlinger AG, Heinz Siegel collaborated closely with talented individuals like Georg Kehl and Edgar Schmitt. Together, they have worked on projects that have revolutionized the automotive and manufacturing sectors.

Conclusion:

Heinz Siegel's dedication to innovation and his passion for creating groundbreaking solutions have established him as a respected figure in the world of inventors. His extensive patent portfolio and collaborative spirit highlight his commitment to advancing technology and shaping the future of industrial engineering.

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]
Loading…