For the Inventor, By the Inventor

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Saint Paul, MN, United States of America

Lexion Medical, LLC

USPTO Granted Patents = 48

% Expired Patents = 35.4

EPO Patents = 7

Forward Citations = 211

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20 inventors (with patents filed for the assignee):

Douglas E Ott (27 out of 40 patents)

Carl M Geisz (16 out of 16 patents)

Duane Earl Lloyd (15 out of 15 patents)

4. Robert I Gray (11 out of 14 patents)

5. Rochelle M Amann (9 out of 9 patents)

6. Patrick Richard Spearman (5 out of 18 patents)

7. John Henry Burban (4 out of 25 patents)

8. Nathaniel V Tran (4 out of 4 patents)

9. John F Schaefer (4 out of 6 patents)

10. Keith Allen Roberts (4 out of 30 patents)

11. Nathanial Tran (3 out of 6 patents)

12. Majid Zia (3 out of 35 patents)

13. Michael R Spearman (2 out of 38 patents)

14. Steven R Williams (2 out of 12 patents)

15. Brandon Lee Michal (1 out of 2 patents)

Core Competencies:

Insufflation

Pressure Measurement

Gas Conditioning

Trocar

Medical Devices

Surgical Procedures

Hydration System

Vapor Evacuation

Flow Rate Control

Biological Fluid Filtration

Fail-Safe Insufflators

Humidification System

48 patents: Sort by Forward Citations

1. 12714464 - Method and system for insufflating a body cavity using a percutaneous needle (2026-08-25),

2. 12636038 - Method and system for measuring pressure in a body cavity (2026-05-26),

3. 12465397 - Method and system for gas maintenance to a body cavity using a trocar (2025-11-11),

4. 12415047 - Method and system for measuring pressure in a body cavity (2025-09-16),

5. 11957830 - Method and system for delivering insufflation fluid (2024-04-16),

6. 11896262 - Method and system for gas maintenance to a body cavity using a trocar (2024-02-13),

7. 11607507 - Method and system for measuring pressure in a body cavity (2023-03-21),

8. 11541191 - Distributed flow path insufflation (2023-01-03),

9. 11433190 - Method and system for controlling pressurization of a patient cavity using a pressure sensor of a medical appliance (2022-09-06),

10. 11229755 - Hydration system (2022-01-25),

11. 11096718 - Method and system for measuring pressure in a body cavity (2021-08-24),

12. 10835284 - Method and system for controlling pressurization of a patient cavity using cavity distension measured by a pressure sensor of a trocar (2020-11-17),

13. 10799266 - Method and system for gas maintenance to a body cavity using a trocar (2020-10-13),

14. 10646667 - Method and system for controlling pressurization of a patient cavity using a pressure sensor in a trocar (2020-05-12),

15. 10595897 - Method and system for measuring pressure in a body cavity using a trocar (2020-03-24),

Company Overview

Lexion Medical, LLC, based in Saint Paul, MN, specializes in advanced medical technologies focused on enhancing surgical procedures. The company develops innovative solutions in gas maintenance, body cavity insufflation, and pressure measurement, aiming to improve patient outcomes and surgical efficiency. Their expertise extends to trocar technology, surgical vapor evacuation, medical gas humidification, hydration systems, and flow rate control, positioning them as a key player in the medical device industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

48 Patents

#28 in Saint Paul, MN

#204 in Minnesota

#7,284 in US

#14,550 in the World

Saint Paul, MN, United States of America

Lexion Medical, LLC

Forward Citations = 211

20 inventors:

Douglas E Ott (27 out of 40 patents)

Carl M Geisz (16 out of 16 patents)

Duane Earl Lloyd (15 out of 15 patents)

4. Robert I Gray (11 out of 14 patents)

5. Rochelle M Amann (9 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Lexion Medical, LLC. Retrieved from https://idiyas.com/company/lexion-medical

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

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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