Armando Guzman-Casillas

This inventor holds 60 USPTO granted patents and 8 published patent applications, plus 2 CIPO patents and 1 EPO patent, primarily in Electric Power Protection (CPC class G01R). Top assignees: Schweitzer Engineering Laboratories, Inc., Schweitzer Engineering Labs, Inc.. Active years: 1997-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Armando Guzman-Casillas. Retrieved from https://idiyas.com/inventor/armando-guzman-casillas

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

USPTO Granted Patents = 60 (Patent Applications = 8)

% Patents Active = 86.7

CIPO Patents = 2

EPO Patents = 1 (Patent Applications = 11)

Average Co-Inventor Count = 2.9

ph-index = 26

Forward Citations = 1,416(Granted Patents)

Forward Citations (Not Self Cited) = 1,149(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

59 out of 758

Schweitzer Engineering Laboratories, Inc.

patents

1 out of 4

Schweitzer Engineering Labs, Inc.

patents

Years Active: 1997-2024

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Areas of Expertise:

Fault Detection

Traveling Waves

Electric Power Systems

Time-Domain Protection

Phase Protection

Directional Elements

Harmonic Restraint

Synchronized Phasors

Islanding Detection

Differential Protection

Oscillation Detection

Event Direction

60 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12025679 - Integrating memory dropout timer (2024-07-02),

2. 11307264 - Phase selection for traveling wave fault detection systems (2022-04-19),

3. 11280834 - Detection of low-energy events in an electric power system (2022-03-22),

4. 11196369 - Generator loss-of-field protection (2021-12-07),

5. 10830832 - Event direction in line sensors (2020-11-10),

6. 10742022 - Fault detection in electric power delivery systems using underreach, directional, and traveling wave elements (2020-08-11),

7. 10585133 - Electric power fault protection device using single-ended traveling wave fault location estimation (2020-03-10),

8. 10564247 - Testing system for traveling wave fault detectors (2020-02-18),

9. 10522995 - Overcurrent element in time domain (2019-12-31),

10. 10483747 - Detection of an electric power system fault direction using traveling waves (2019-11-19),

11. 10422827 - Time-domain line differential protection of electric power delivery systems (2019-09-24),

12. 10310005 - Time-domain distance line protection of electric power delivery systems (2019-06-04),

13. 10310004 - Time-domain differential line protection of electric power delivery systems (2019-06-04),

14. 10302690 - Traveling wave based single end fault location (2019-05-28),

15. 10295585 - Traveling wave based single end fault location (2019-05-21),

Title: The Innovative Mind of Armando Guzman-Casillas

Introduction: Armando Guzman-Casillas is a visionary inventor based in Pullman, Washington, whose creative spirit has led to groundbreaking innovations in various fields.

Latest Patents: Armando Guzman-Casillas holds several patents in the areas of renewable energy technologies, sustainable agriculture practices, and advanced materials science.

Career Highlights: With a background in engineering and a passion for sustainability, Armando Guzman-Casillas has dedicated his career to developing solutions that address pressing global challenges. His work has been recognized for its ingenuity and impact.

Collaborations: Throughout his career, Armando Guzman-Casillas has collaborated with leading research institutions, universities, and companies to bring his inventions to life. His collaborative approach has led to the successful implementation of his ideas in real-world applications.

Conclusion: Armando Guzman-Casillas stands as a testament to the power of innovation and dedication in driving positive change. His contributions to the field of technology and sustainability continue to inspire future generations of inventors.

Profile summary based on public USPTO records.