David Ralph Stewart

USPTO Granted Patents = 12 (Patent Applications = 1)

CIPO Patents = 2

Average Co-Inventor Count = 1.7

ph-index = 8

Forward Citations = 144(Granted Patents)

Company Filing History:

Kraton Polymers U.S. LLC

patents

Years Active: 1989-2017

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9574434 - Monitoring system for well casing (2017-02-21),

2. 8973434 - Monitoring system for well casing (2015-03-10),

3. 8776609 - Use of fiber optics to monitor cement quality (2014-07-15),

4. 6854327 - Apparatus and method for monitoring compaction (2005-02-15),

5. 6458300 - Conversion of sticky elastomeric polymer crumb into pellets without polymer degradation (2002-10-01),

6. 6187873 - Increased throughput in the manufacture of block copolymers by reduction in polymer cement viscosity through the addition of polar solvents (2001-02-13),

7. 5446104 - Crosslinkable low viscosity star polymer blends (1995-08-29),

8. 4921647 - Method of shaping a laminated thermoplastic billet (1990-05-01),

9. 4921646 - Forming laminated billets from individual billets (1990-05-01),

10. 4906172 - Mold press with dielectric electrodes (1990-03-06),

11. 4886187 - Plastic container with enhanced insulation (1989-12-12),

12. 4867336 - Continuous lid seam (1989-09-19),

Title: The Innovations of David Ralph Stewart

Introduction

David Ralph Stewart is a notable inventor based in Richmond, TX (US). He has made significant contributions to the field of technology, particularly in the area of monitoring systems for well casings. With a total of 12 patents to his name, Stewart's work reflects his dedication to innovation and problem-solving in the industry.

Latest Patents

One of Stewart's latest patents is a monitoring system for well casing. This system is designed for use in a wellbore and comprises a length of casing along with a structure that deforms with the casing. The structure is affixed to the casing at a consistent radial position, and it includes a sensing device that measures deformation. This device is equipped with multiple sensors distributed along the structure and its periphery, enhancing the monitoring capabilities of the system.

Career Highlights

Throughout his career, David Ralph Stewart has worked with prominent companies such as Shell Oil Company and Kraton Polymers U.S. LLC. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology and engineering.

Collaborations

Stewart has collaborated with several professionals in his field, including Frederick Henry Kreisler Rambow and Jeremiah Glen Pearce. These collaborations have fostered a creative environment that has led to the development of impactful inventions.

Conclusion

David Ralph Stewart's contributions to the field of technology through his patents and collaborations highlight his role as an influential inventor. His work continues to inspire innovation in monitoring systems and beyond.

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1 patent pending:

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2 patents (CIPO):

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