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For the Inventor, By the Inventor

Joliet, IL, United States of America

Cyril W Habiger

This inventor holds 22 USPTO granted patents, primarily in Hydrostatic Transmissions. Top assignee: Caterpillar Tractor Co.. Active years: 1976-1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Cyril W Habiger. Retrieved from https://idiyas.com/inventor/cyril-w-habiger

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

USPTO Granted Patents = 22

% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 9

Forward Citations = 190(Granted Patents)


Company Filing History:

goldMedal22 out of 1,981 
 
Caterpillar Tractor Co.
 patents

Years Active: 1976-1982

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Areas of Expertise:
Load Sensing
Control Valve
Hydrostatic Transmission
Actuator Mechanism
Pressure Compensated Pump
Fluid Drive
Steering Control
Piston Pump
Load Limiting Device
Mechanical Linkage
Null Adjustment
Gain Adjustment
22 patents (USPTO):Explore Patents
1. 4343152 - Load sensing porting arrangement (1982-08-10),
2. 4301835 - Speed control and transmission vent valve (1981-11-24),
3. 4260132 - Control valve with improved centering and detent mechanisms (1981-04-07),
4. 4249557 - Load resolver (1981-02-10),
5. 4213484 - Single handle control apparatus (1980-07-22),
6. 4109540 - Overtravel control mechanism for hydrostatic transmissions (1978-08-29),
7. 4106292 - Speed and load responsive underspeed actuator for hydrostatic (1978-08-15),
8. 4097196 - Pilot operated pressure compensated pump control (1978-06-27),
9. 4096694 - Control system for a fluid drive (1978-06-27),
10. 4094145 - Underspeed actuator for a hydrostatic transmission having a shunt valve (1978-06-13),
11. 4093092 - Load limiting device (1978-06-06),
12. 4072167 - Check valve with torsion spring and method of assembly (1978-02-07),
13. 4041702 - Control system for a fluid drive vehicle (1977-08-16),
14. 4036321 - Single lever steering control for hydraulic drive vehicles (1977-07-19),
15. 4028890 - Piston pump assembly utilizing load pressure control (1977-06-14),

Title: The Innovative Contributions of Cyril W. Habiger

Introduction

Cyril W. Habiger, an accomplished inventor based in Joliet, IL, has made significant contributions to the field of engineering with a remarkable portfolio of 22 patents. His work primarily focuses on enhancing the efficiency and functionality of machinery, particularly in the agricultural sector.

Latest Patents

Among Cyril's notable inventions is the "Load Sensing Porting Arrangement," which is designed to optimize fluid control in machinery. Another remarkable patent is the "Speed Control and Transmission Vent Valve," a sophisticated device that features a first valve and a second valve with multiple inlets and an openable outlet. This valve operates through a spool that adjusts in response to fluid inputs, allowing for precise control of machinery functions. Specifically, this invention aims to reduce the skill and control required by operators of tractors equipped with hydrostatic transmissions, thereby simplifying vehicle operation.

Career Highlights

Cyril W. Habiger has dedicated his professional career to innovation at Caterpillar Tractor Co., one of the most recognized names in heavy machinery and equipment. His work at this company has paved the way for important advancements in agricultural and construction equipment, significantly impacting operational efficiency.

Collaborations

Throughout his career, Cyril has collaborated with esteemed colleagues such as William J. Spivey and Donald L. Hopkins. Their combined expertise and insights have contributed to the success of many of Cyril's innovative projects, demonstrating the power of teamwork in the realm of invention.

Conclusion

Cyril W. Habiger stands out as a prominent figure in the landscape of engineering innovations. His 22 patents reflect his commitment to advancing technology, particularly within the agricultural machinery industry. With a distinguished career at Caterpillar Tractor Co. and fruitful collaborations with other inventors, Cyril continues to inspire future generations of engineers and inventors.

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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