Houston, TX, United States of America

Dan M Arnold

This inventor holds 53 USPTO granted patents, primarily in Nuclear Well Logging (CPC class 2502). Top assignees: Texaco Inc., Halliburton Company, Halliburton Logging Services, Inc.. Active years: 1976-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dan M Arnold. Retrieved from https://idiyas.com/inventor/dan-m-arnold

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 16

Forward Citations = 720(Granted Patents)

Forward Citations (Not Self Cited) = 685(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Houston, TX (US) (1976 - 1989)
  • Katy, TX (US) (1991 - 1998)

Company Filing History:


Years Active: 1976-1998

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Areas of Expertise:
Nuclear Logging
Fluid Flow Measurement
Gamma Ray Spectrometer
Permeability Determination
Moisture Detection
Tracer Injection
Water Salinity Measurement
Casing Thickness
Borehole Logging
Multiphase Flow Meter
Density Logs
Acoustic-Nuclear Systems
53 patents (USPTO):Explore Patents

Title: Dan M Arnold: Innovating Railway Safety Through Auxiliary Bearing Systems

Introduction:

Dan M Arnold, a prolific inventor based in Houston, TX, has made significant contributions to the field of mechanical engineering, particularly through his innovative work on auxiliary bearing systems for rotating elements.

Latest Patents:

Arnold's latest patents showcase his expertise in developing auxiliary bearing systems that automatically transfer load from a failing primary bearing to one or more auxiliary bearings. These systems are designed to prevent catastrophic failures by providing a safety mechanism that alerts users when the transfer of load occurs. One of his notable inventions includes an auxiliary bearing system for tapered roller bearings used in rail cars, aimed at enhancing railway safety by allowing trains to be safely stopped in the event of bearing failures.

Career Highlights:

With an impressive portfolio of 53 patents to his name, Dan M Arnold has demonstrated a keen understanding of mechanical systems and a commitment to improving industrial safety standards. Throughout his career, he has shown a remarkable ability to innovate and develop solutions that address critical issues in mechanical engineering.

Collaborations:

Arnold has collaborated with industry giants such as Texaco Inc. and Halliburton Company, showcasing his ability to work on diverse projects and contribute effectively to various teams. His partnerships with colleagues like Hans J Paap and Harry D Smith, Jr. have led to the successful development and implementation of advanced engineering solutions.

Conclusion:

In conclusion, Dan M Arnold's groundbreaking work in developing auxiliary bearing systems demonstrates his commitment to enhancing safety and efficiency in mechanical systems, particularly in the railway industry. His inventive spirit and collaborative efforts have earned him recognition as a leading innovator in the field of mechanical engineering.

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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