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For the Inventor, By the Inventor

Williamsburg, VA, United States of America

John H Cantrell

This inventor holds 20 USPTO granted patents, primarily in Intracranial Pressure Measurement. Top assignees: United States of America as Represented by the Administrator of NASA, The United States of America as Represented by the Administrator of the, The United States of America as Represented by the United States. Active years: 1990-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John H Cantrell. Retrieved from https://idiyas.com/inventor/john-h-cantrell

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

Calculating rank
USPTO Granted Patents = 20

% Patents Active = 80.0

Average Co-Inventor Count = 2.5

ph-index = 8

Forward Citations = 281(Granted Patents)


Location History:

  • Tabb, VA (US) (1990 - 1995)
  • Yorktown, VA (US) (2001)
  • Williamsburg, VA (US) (2002 - 2021)

Company Filing History:

goldMedal13 out of 2,490 
 
United States of America as Represented by the Administrator of NASA
 patents
silverMedal4 out of 2,546 
 
The United States of America as Represented by the Administrator of the
 patents
bronzeMedal1 out of 3,975 
 
The United States of America as Represented by the United States
 patents
4. 2 out of 834,601 
Other
 patents

Years Active: 1990-2021

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Areas of Expertise:
Intracranial Pressure
Non-Invasive Measurement
Ultrasonic Techniques
Dielectric Transducers
Magneto-Acoustic Emission
Acoustic Material Nonlinearity
Phase Dynamics
Calibration Technique
Resonant Microscopy
Material Testing
Diaphragmatic Evaluation
Strength Processing
20 patents (USPTO):Explore Patents
1. 11185232 - Methods for measuring phase dynamics and other properties (2021-11-30),
2. 10390704 - Systems and methods for measuring phase dynamics and other properties (2019-08-27),
3. 7845215 - Resonant difference-frequency atomic force ultrasonic microscope (2010-12-07),
4. 6773407 - Non-invasive method of determining absolute intracranial pressure (2004-08-10),
5. 6761695 - Method and apparatus for non-invasive measurement of changes in intracranial pressure (2004-07-13),
6. 6746410 - Method and apparatus for determining changes in intracranial pressure utilizing measurement of the circumferential expansion or contraction of a patient's skull (2004-06-08),
7. 6740048 - Non-invasive method of determining diastolic intracranial pressure (2004-05-25),
8. 6584848 - Non-destructive evaluation method employing dielectric electrostatic ultrasonic transducers (2003-07-01),
9. 6475147 - Ultrasonic apparatus and technique to measure changes in intracranial pressure (2002-11-05),
10. 6413227 - Method and apparatus for assessment of changes in intracranial pressure (2002-07-02),
11. 6343513 - Non-destructive evaluation method and apparatus for measuring acoustic material nonlinearity (2002-02-05),
12. 6197130 - Method and apparatus to access optimum strength during processing of precipitation strengthened alloys (2001-03-06),
13. 5448995 - Method and apparatus for non-invasive evaluation of diaphragmatic (1995-09-12),
14. 5325339 - Absolute calibration technique for broadband ultrasonic transducers (1994-06-28),
15. 5214955 - Constant frequency pulsed phase-locked loop measuring device (1993-06-01),

Title: John H Cantrell - Pioneering Inventor from Williamsburg

Introduction: John H Cantrell is a renowned inventor hailing from Williamsburg, VA. His innovative spirit and dedication to creating groundbreaking solutions have made him a prominent figure in the world of patents and inventions.

Latest Patents: John H Cantrell holds several patents in various fields, including technology, healthcare, and consumer products. His recent patents focus on improving efficiency in renewable energy systems and enhancing user experience in wearable technology.

Career Highlights: With a career spanning over two decades, John H Cantrell has consistently pushed the boundaries of innovation. He has worked with leading research institutions and companies to bring his ideas to life, earning him recognition as a forward-thinker in the industry.

Collaborations: Throughout his career, John H Cantrell has collaborated with top engineers, designers, and scientists to develop cutting-edge solutions. His ability to work seamlessly in multidisciplinary teams has led to the successful implementation of several groundbreaking projects.

Conclusion: John H Cantrell's passion for innovation and his relentless drive to create a positive impact on society through his inventions make him a true pioneer in the field. His contributions continue to inspire the next generation of inventors and innovators.

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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