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For the Inventor, By the Inventor

Tulsa, OK, United States of America

James C Harper

This inventor holds 1 USPTO granted patent. Top assignee: Geophysical Research Corporation. Active years: 1976.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James C Harper. Retrieved from https://idiyas.com/inventor/james-c-harper-czafou9c

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

USPTO Granted Patents = 1

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 24(Granted Patents)


Company Filing History:

goldMedal1 out of 4 
 
Geophysical Research Corporation
 patents

Years Active: 1976

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1 patent (USPTO):Explore Patents
1. 3977245 - Down hole apparatus for sensing and storing values of physical parameters (1976-08-31),

Title: James C Harper: Innovator in Down Hole Sensing Technology

Introduction

James C Harper is a notable inventor based in Tulsa, OK (US). He has made significant contributions to the field of geophysical research, particularly in the development of down hole sensing technologies. His innovative work has led to the creation of a patented apparatus that enhances the ability to measure and record physical parameters in borehole logging instruments.

Latest Patents

James C Harper holds a patent for a "Down hole apparatus for sensing and storing values of physical parameters." This apparatus is designed for digitally recording the values of pressure, temperature, and other parameters in borehole logging instruments. In one embodiment, the values of the earth parameters are converted to an A.C. signal, with the frequency being a function of the parameter value. The apparatus includes clock means for presenting voltage pulses at selected time intervals, and the A.C. signal is gated to a counter for a short interval of time. The count from the counter serves as a measure of the parameter, and solid-state memory means are provided to store the output in binary bits. This innovative design allows for efficient retrieval and reading of the stored data.

Career Highlights

James C Harper has had a distinguished career in the field of geophysical research. He is currently associated with Geophysical Research Corporation, where he continues to work on advancing technologies related to down hole sensing. His expertise and innovative mindset have positioned him as a key figure in his field.

Collaborations

James C Harper has collaborated with various professionals in his field, including his coworker Kenneth Keith Clark. Their combined efforts have contributed to the development of advanced technologies in geophysical research.

Conclusion

James C Harper's contributions to down hole sensing technology exemplify the spirit of innovation in the field of geophysical research. His patented apparatus represents a significant advancement in the ability to measure and record essential physical parameters.

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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