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For the Inventor, By the Inventor

Bothell, WA, United States of America

Kristi H De Grys

This inventor holds 5 USPTO granted patents. Top assignees: Aerojet-General Corporation, Primex Aerospace Company. Active years: 2001-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kristi H De Grys. Retrieved from https://idiyas.com/inventor/kristi-h-de-grys

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

USPTO Granted Patents = 5

% Patents Active = 80.0

Average Co-Inventor Count = 1.9

ph-index = 4

Forward Citations = 48(Granted Patents)


Location History:

  • Bellevue, WA (US) (2001 - 2003)
  • Bothell, WA (US) (2006 - 2008)

Company Filing History:

goldMedal4 out of 211 
 
Aerojet-General Corporation
 patents
silverMedal1 out of 4 
 
Primex Aerospace Company
 patents

Years Active: 2001-2008

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5 patents (USPTO):Explore Patents
1. 7436122 - Helicon hall thruster (2008-10-14),
2. 7164227 - Hall effect thruster with anode having magnetic field barrier (2007-01-16),
3. 6982520 - Hall effect thruster with anode having magnetic field barrier (2006-01-03),
4. 6612105 - Uniform gas distribution in ion accelerators with closed electron drift (2003-09-02),
5. 6208080 - Magnetic flux shaping in ion accelerators with closed electron drift (2001-03-27),

Title: The Innovative Contributions of Kristi H De Grys

Introduction

Kristi H De Grys is a prominent inventor based in Bothell, WA (US), known for her significant contributions to the field of aerospace engineering. With a total of five patents to her name, she has made remarkable advancements in propulsion technology.

Latest Patents

Among her latest patents is the Helicon Hall Thruster, which involves the ionization of propellant gas atoms in a helicon plasma source. This innovative design features an annular ionization area aligned with an acceleration stage, enhancing the efficiency of the thruster. Another notable patent is the Hall Effect Thruster with an Anode Having Magnetic Field Barrier. This invention introduces an efficiency-enhancing anode-magnetic structure that produces a radially directed magnetic field, improving the performance of the thruster.

Career Highlights

Kristi has worked with reputable companies such as Aerojet-General Corporation and Primex Aerospace Company. Her experience in these organizations has allowed her to develop and refine her innovative ideas in propulsion systems.

Collaborations

Throughout her career, Kristi has collaborated with esteemed colleagues, including David Q King and Arnold W Voigt. These partnerships have contributed to her success and the advancement of her inventions.

Conclusion

Kristi H De Grys exemplifies the spirit of innovation in aerospace engineering. Her patents and career achievements highlight her dedication to advancing propulsion technology.

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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