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For the Inventor, By the Inventor

Chanhassen, MN, United States of America

Don Rulon Draper

This inventor holds 10 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Eaton Corporation, Danfoss Power Solutions Ii Technology A/s, Eaton Intelligent Power Limited. Active years: 1993-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Don Rulon Draper. Retrieved from https://idiyas.com/inventor/don-rulon-draper

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

USPTO Granted Patents = 10 

% Patents Active = 60.0

 

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 39(Granted Patents)


Company Filing History:

goldMedal8 out of 5,989 
 
Eaton Corporation
 patents
silverMedal1 out of 39 
 
Danfoss Power Solutions Ii Technology A/s
 patents
bronzeMedal1 out of 2,520 
 
Eaton Intelligent Power Limited
 patents

Years Active: 1993-2022

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10 patents (USPTO):Explore Patents
1. 11536265 - Torque control system for a variable displacement pump (2022-12-27),
2. 10859069 - Torque control system for a variable displacement pump (2020-12-08),
3. 8771138 - Hybrid hydraulic drive system architecture (2014-07-08),
4. 8544675 - Fluid reservoir assembly (2013-10-01),
5. 8528767 - Hydraulic reservoir pressure relief mechanism (2013-09-10),
6. 6971411 - Trapped gas removal in liquid gas accumulator (2005-12-06),
7. 6560961 - Steering system with ability to stop steering wheel rotation (2003-05-13),
8. 6539710 - Hydrostatic steering system having improved steering sensing (2003-04-01),
9. 5634495 - Wide angle controller with dual function check valves (1997-06-03),
10. 5186212 - Fluid controller having axial modulation (1993-02-16),

Title: Don Rulon Draper: Innovator in Hydraulic Pump Systems

Introduction

Don Rulon Draper is a notable inventor based in Chanhassen, MN (US). He holds a total of 10 patents, showcasing his significant contributions to the field of hydraulic systems. His work primarily focuses on improving the efficiency and functionality of hydraulic pump systems.

Latest Patents

One of Draper's latest patents is a torque control system for a variable displacement pump. This invention relates to a hydraulic pump system that generates an outlet pressure. The system includes a control mechanism that adjusts the displacement volume of the variable displacement pump based on the outlet pressure. Specifically, it decreases the displacement volume in response to an increase in outlet pressure and increases it when the outlet pressure decreases. This innovative approach enhances the performance and reliability of hydraulic systems.

Career Highlights

Throughout his career, Don Rulon Draper has worked with prominent companies such as Eaton Corporation and Danfoss Power Solutions II Technology A/S. His experience in these organizations has allowed him to develop and refine his inventions, contributing to advancements in hydraulic technology.

Collaborations

Draper has collaborated with notable individuals in the industry, including Christopher Thomas Arneson and Robert Leslie Isaacs. These partnerships have facilitated the exchange of ideas and fostered innovation in hydraulic systems.

Conclusion

Don Rulon Draper is a distinguished inventor whose work in hydraulic pump systems has made a significant impact on the industry. His innovative patents and collaborations reflect his commitment to advancing technology in this field.

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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