For the Inventor, By the Inventor

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Hartford, WI, United States of America

Phaedrus, LLC

USPTO Granted Patents = 18

Forward Citations = 42

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2 inventors (with patents filed for the assignee):

Bradley W Engstrand (18 out of 23 patents)

Are Torr Engstrand (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. 12352369 - Steam injection valve actuator, system, and method (2025-07-08),

2. 11512985 - Control system and method for detecting a position of a movable object (2022-11-29),

3. 11385080 - Apparatus, system and method for detecting a position of a movable object in a device and using the same for controlling the device (2022-07-12),

4. 10132655 - Apparatus, system and method for detecting a position of a movable object in a device and using the same for controlling the device (2018-11-20),

5. 8892270 - System and method for obtaining, transmitting and/or providing freight transportation information (2014-11-18),

6. 8515709 - Portable device, system and method for measuring a volume of a vessel using an LED (2013-08-20),

7. 8436287 - System and/or method for reading, measuring and/or controlling intensity of light emitted from an LED (2013-05-07),

8. 8115185 - System and/or method for reading, measuring and/or controlling intensity of light emitted from an LED (2012-02-14),

9. 7935916 - System and/or method for reading, measuring and/or controlling intensity of light emitted from an LED (2011-05-03),

10. 7703279 - Programmable cylinder, system and method for changing velocity of a machine element within a cylinder (2010-04-27),

11. 7626153 - System and/or method for reading, measuring and/or controlling intensity of light emitted from an LED (2009-12-01),

12. 7518100 - System and method for detecting a position of a movable element (2009-04-14),

13. 7476842 - System and method for emitting and/or detecting light within a compartment (2009-01-13),

14. 7468522 - Collar, system and method for detecting a mark on a rod (2008-12-23),

15. 7456385 - System and method for detecting an end of and/or a beginning of a stroke (2008-11-25),

Company Overview

Phaedrus, LLC is a technology-driven company based in Hartford, Wisconsin, specializing in advanced engineering solutions and innovative product development. The organization focuses on creating high-performance systems and components, primarily in the fields of aerospace, automotive, and industrial applications. With a commitment to research and development, Phaedrus aims to enhance efficiency and reliability in its offerings, catering to a diverse range of clients and industries while fostering technological advancement.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

18 Patents

#3 in Hartford, WI

#420 in Wisconsin

#17,963 in US

#34,217 in the World

Hartford, WI, United States of America

Phaedrus, LLC

Forward Citations = 42

2 inventors:

Bradley W Engstrand (18 out of 23 patents)

Are Torr Engstrand (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Phaedrus, LLC. Retrieved from https://idiyas.com/company/phaedrus

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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