West Point, UT, United States of America

Louis Leegrande Barrett

This inventor holds 34 USPTO granted patents and 8 published patent applications, plus 6 CIPO patents and 13 EPO patents, primarily in Optical Blood Monitoring. Top assignees: Fresenius Medical Care Holdings, Inc., Fresenius Medical Holdings, Inc., Hema Metrics, Inc.. Active years: 2010-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Louis Leegrande Barrett. Retrieved from https://idiyas.com/inventor/louis-leegrande-barrett

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

USPTO Granted Patents = 34 (Patent Applications = 8)

% Patents Active = 100.0

CIPO Patents = 6 (Patent Applications = 4)

EPO Patents = 13 (Patent Applications = 15)

Average Co-Inventor Count = 2.3

ph-index = 11

Forward Citations = 298(Granted Patents)

Company Filing History:

32 out of 673

Fresenius Medical Care Holdings, Inc.

patents

1 out of 1

Fresenius Medical Holdings, Inc.

Years Active: 2010-2026

Loading Chart...

Areas of Expertise:

Hemodialysis

Optical Monitoring

Blood Volume

Adaptive Ultrafiltration

Sensor Clip Assembly

Non-Invasive Measurement

Blood Flow Chamber

Data Acquisition

Hematocrit Measurement

Light Differential Measurement

Transcutaneous Measurement

Calibration

34 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12543979 - Wireless monitoring of hemodialysis treatment data in real-time via a blood monitor network (2026-02-10),

2. 12239459 - Closed loop dialysis treatment using adaptive ultrafiltration rates (2025-03-04),

3. 12114973 - Direct light differential measurement system (2024-10-15),

4. D979050 - Blood flow line (2023-02-21),

5. 11389576 - Determination of patient blood volume at start of a dialysis treatment (2022-07-19),

6. 11241176 - Direct light differential measurement system with increased noise immunity (2022-02-08),

7. 11141515 - System and method for dialyzer evaluation (2021-10-12),

8. 11013846 - Controlling data output of a sensor clip assembly for an optical monitoring system (2021-05-25),

9. 10881347 - Closed loop dialysis treatment using adaptive ultrafiltration rates (2021-01-05),

10. 10765792 - System and method for dialyzer evaluation (2020-09-08),

11. 10668204 - Remote interfacing with a sensor clip assembly for an optical monitoring system (2020-06-02),

12. 10625011 - System and method for dialyzer evaluation (2020-04-21),

13. 10471201 - Sensor clip assembly for an optical monitoring system (2019-11-12),

14. 10426387 - Direct light differential measurement system (2019-10-01),

15. 10281454 - Tunable optical receiver (2019-05-07),

Title: Innovations by Inventor Louis Leegrande Barrett

Introduction

Louis Leegrande Barrett is a distinguished inventor based in West Point, UT, USA. With an impressive portfolio of 32 patents, Barrett has made significant contributions to various technological advancements, particularly in the field of medical devices and measurement systems.

Latest Patents

One of his latest innovations is the direct light differential measurement system. This sophisticated measurement system is designed to assess blood characteristics through a series of interconnected components, including a controller, an emitter, a sensor, and a reference sensor. The emitter emits light at multiple wavelengths across a blood flow channel, while the sensor detects these wavelengths on the opposite side. The reference sensor, strategically placed to enhance the system's noise immunity, assists the controller in compensating the measurements obtained from the sensor. This innovative system holds potential applications in dialysis processes, demonstrating Barrett's commitment to advancing healthcare technology.

Career Highlights

Throughout his career, Barrett has been associated with reputable companies, including Fresenius Medical Care Holdings, Inc. and Hema Metrics, Inc. His work has been pivotal in developing technologies that enhance the quality and effectiveness of medical treatments.

Collaborations

Barrett has collaborated with notable individuals in the field, including Perry N. Law and David W. Peterson. These partnerships have likely enriched his innovative approaches and contributed to the successful development of his patented inventions.

Conclusion

Louis Leegrande Barrett’s dedication to innovation and improvement in medical technologies is evident in his extensive patent portfolio. His recent advancements, particularly in blood measurement systems, underline his role as a leading figure in the field, paving the way for future innovations that could further transform healthcare practices.

Profile summary based on public USPTO records.