Mesa, AZ, United States of America

Donald G Caldwell

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignees: Mcdonnell Douglas Corporation, The Boeing Company. Active years: 1991-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald G Caldwell. Retrieved from https://idiyas.com/inventor/donald-g-caldwell

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

Calculating rank

% Patents Active = 100.0


Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 113(Granted Patents)


Company Filing History:


Years Active: 1991-2010

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2 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Donald G Caldwell

Introduction

Donald G Caldwell is a notable inventor based in Mesa, AZ (US), recognized for his significant contributions to the field of aircraft control systems. With a total of 2 patents, Caldwell has developed innovative technologies that enhance the safety and efficiency of aviation operations.

Latest Patents

Caldwell's latest patents include the "Aircraft Precision Approach Control" and the "Automated Helicopter Flight Control System." The Aircraft Precision Approach Control patent describes an advanced aircraft control system designed for operations close to the ground. This system incorporates a camera with a rangefinder to measure the azimuth, elevation, and slant range from a fixed point on the aircraft to a target point on the surface below. It also features a navigation system for determining the aircraft's latitude and longitude, a computer for computing the position of the fixed point relative to the target, and a controller for managing the aircraft's movement. Additionally, the controller may include an automatic tracking mechanism to maintain the fixed point's position above a moving object.

The Automated Helicopter Flight Control System patent outlines an apparatus and method for controlling helicopter flight. This system allows pilots to command vehicle state changes while incorporating several advancements in helicopter control. Key features include control decoupling to minimize undesired responses in other axes, task-oriented control modes that are selected automatically, and automatic control of engine torque and rotor speed constraints. The system enhances vertical response performance and reduces pilot workload across various manipulator configurations.

Career Highlights

Throughout his career, Caldwell has worked with prominent companies in the aerospace industry, including McDonnell Douglas Corporation and The Boeing Company. His experience in these organizations has contributed to his expertise in developing cutting-edge aviation technologies.

Collaborations

Caldwell has collaborated with notable professionals in the field, including Stephen S Osder and Gregory E Dockter. These partnerships have likely fostered innovation and the exchange of ideas, further enhancing the development of his patented technologies.

Conclusion

Donald G Caldwell's contributions to aircraft control systems demonstrate his commitment to advancing aviation technology. His innovative patents reflect a deep understanding of the complexities of flight control, making significant strides in enhancing safety and efficiency in the industry.

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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