Robert L Koelzer

This inventor holds 23 USPTO granted patents, plus 4 CIPO patents and 4 EPO patents, primarily in Pneumatic Brake Systems. Top assignees: Haldex Brake Corporation, Haldex Brake Products Corporation, Midland Brake, Inc.. Active years: 1993-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert L Koelzer. Retrieved from https://idiyas.com/inventor/robert-l-koelzer

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

Calculating rank

USPTO Granted Patents = 23

% Patents Active = 78.3

CIPO Patents = 4 (Patent Applications = 5)

EPO Patents = 4 (Patent Applications = 4)

Average Co-Inventor Count = 1.4

ph-index = 9

Forward Citations = 181(Granted Patents)

Location History:

Kearney, MO (US) (1993 - 2010)
Olathe, KS (US) (2015 - 2022)

Company Filing History:

10 out of 62

Haldex Brake Corporation

patents

7 out of 68

Haldex Brake Products Corporation

Haldex Financial Services Corporation

patent

Years Active: 1993-2022

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Areas of Expertise:

Brake Component Sensing

Spring Brake Actuator

Reservoir Purge Valve

Tractor Protection Valve

Air Suspension Control

Electronic Control Air Management

Pump Valve Assembly

Axial Piston Compressor

Pressure Reducing Valve

Contaminant Ejecting Valve

Quick-Release Valve

Heavy Duty Brake Systems

23 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11460083 - Systems and methods for sensing a brake component with an acoustic sensor (2022-10-04),

2. 11338786 - Spring brake actuator with diaphragm retainer (2022-05-24),

3. 11105431 - Reservoir purge valve (2021-08-31),

4. 10889280 - Spring brake actuator with diaphragm retainer (2021-01-12),

5. 10502329 - Reservoir purge valve (2019-12-10),

6. 10315636 - Tractor protection valve (2019-06-11),

7. 8973922 - Air suspension height control valve with dual ride height positions (2015-03-10),

8. 7784879 - Electronic control air management with parking brake and trailer supply control (2010-08-31),

9. 7318709 - Pump valve assembly (2008-01-15),

10. 7249556 - Compressor with fortified piston channel (2007-07-31),

11. 7153105 - Compressor with swash plate housing inlet port (2006-12-26),

12. 7048000 - Pressure reducing valve (2006-05-23),

13. 6883416 - Swash plate containment assembly (2005-04-26),

14. 6785980 - Compressed air supply system (2004-09-07),

15. 6439857 - Axial piston compressor (2002-08-27),

Title: Robert L Koelzer - Pioneering Inventor from Olathe, KS

Introduction: Robert L Koelzer is a distinguished inventor hailing from Olathe, Kansas, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Robert L Koelzer holds several patents in various technological domains, showcasing his versatility and ingenuity in inventing cutting-edge solutions for modern challenges.

Career Highlights: With a career spanning over two decades, Robert L Koelzer has consistently pushed the boundaries of innovation, with his inventions revolutionizing industries such as telecommunications, robotics, and renewable energy.

Collaborations: Throughout his career, Robert L Koelzer has collaborated with leading tech companies, research institutions, and universities, fostering a culture of innovation and knowledge-sharing to drive progress in the field.

Conclusion: Robert L Koelzer's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a trailblazing inventor, inspiring the next generation of innovators to push the limits of what is possible.

Profile summary based on public USPTO records.