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For the Inventor, By the Inventor

Battle Creek, MI, United States of America

George A Hillebrand

This inventor holds 12 USPTO granted patents. Top assignee: Eaton Corporation. Active years: 1981-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: George A Hillebrand. Retrieved from https://idiyas.com/inventor/george-a-hillebrand

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

USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 9

Forward Citations = 197(Granted Patents)


Location History:

  • Battle Creek, MI (US) (1981 - 1987)
  • Hickory Corners, MI (US) (1995 - 1999)

Company Filing History:

goldMedal12 out of 5,989 
 
Eaton Corporation
 patents

Years Active: 1981-1999

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12 patents (USPTO):Explore Patents
1. 5862785 - Hydraulic lash adjuster and improved oil flow path therefor (1999-01-26),
2. 5855191 - Metering valve for ball plunger or pushrod socket (1999-01-05),
3. 5758613 - Hydraulic lash adjuster and biased normally open check valve system (1998-06-02),
4. 5385124 - Roller follower axle (1995-01-31),
5. 4715334 - Self contained hydraulic bucket lifter (1987-12-29),
6. 4688526 - Self-contained hydraulic bucket lifter (1987-08-25),
7. 4596213 - Cap retainer for hydraulic lash adjuster assembly (1986-06-24),
8. 4584976 - Reservoir height extender for lash adjuster assembly (1986-04-29),
9. 4448155 - Guide for roller cam follower (1984-05-15),
10. 4419977 - Fuel injection system and timing advance device therefor (1983-12-13),
11. 4373477 - Lash adjuster with plunger retainer (1983-02-15),
12. 4254749 - Fuel injection system and timing advance device therefor (1981-03-10),

Title: **The Innovative Contributions of George A. Hillebrand**

Introduction

George A. Hillebrand is a notable inventor based in Battle Creek, Michigan, renowned for his significant contributions to the field of hydraulic systems. With a remarkable portfolio, he holds 12 patents that underscore his inventive prowess and dedication to engineering advancements.

Latest Patents

Among his latest inventions, Hillebrand has developed two notable patents focused on hydraulic lash adjusters. The first, titled "Hydraulic Lash Adjuster and Improved Oil Flow Path Therefor," introduces a hydraulic lash adjuster comprising a body that defines a blind bore and a fluid port in communication with a source of fluid pressure. This innovation features upper and lower plunger elements, providing efficient fluid communication while reducing the requisite machining, ultimately leading to cost savings.

His second patent, "Metering Valve for Ball Plunger or Pushrod Socket," enhances the functionality of hydraulic lash adjusters. It involves a metering valve within a passage of a ball plunger. This invention is designed to prevent the metering passage from becoming clogged with contaminants while ensuring optimal fluid flow during operation.

Career Highlights

George A. Hillebrand is currently employed at Eaton Corporation, a key player in the electrical and industrial power management sectors. His work at Eaton has allowed him to contribute meaningfully to advancements in hydraulic solutions, reflective of his expertise and innovative thinking in the mechanical engineering domain.

Collaborations

Hillebrand collaborates with a talented team, including coworkers Bryan K. Blowers and Stephen M. Buente. Their joint efforts often focus on enhancing hydraulic technologies, demonstrating a blend of expertise that fosters a productive and innovative work environment.

Conclusion

George A. Hillebrand's contributions to hydraulic technology illustrate his inventive spirit and commitment to engineering excellence. As he continues to refine and innovate within his field, his patents will undoubtedly have a lasting impact on the industry, inspiring future developments in hydraulic systems.

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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