Oak Park, MI, United States of America

Herman K Phlegm

This inventor holds 19 USPTO granted patents and 1 published patent application, primarily in Battery Technology. Top assignee: Gm Global Technolgoy Operations, Inc.. Active years: 2012-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Herman K Phlegm. Retrieved from https://idiyas.com/inventor/herman-k-phlegm

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

Calculating rank
USPTO Granted Patents = 19 

% Patents Active = 73.7

Average Co-Inventor Count = 4.0

ph-index = 4

Forward Citations = 30(Granted Patents)


Location History:

  • Oak Park, MI (US) (2012 - 2017)
  • West Bloomfield, MI (US) (2017 - 2022)

Company Filing History:


Years Active: 2012-2025

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Areas of Expertise:
Battery Cells
Thermal Management
Pressure Regulation
Coolant Systems
Thermal Interface
Leak Testing
HV Battery Modules
Compact Design
Stackable Cartridge
Bi-Fuel Vehicle
Cell Insertion
Prismatic Cell
19 patents (USPTO):Explore Patents

Title: Inventor Spotlight: Herman K. Phlegm

Introduction

Herman K. Phlegm is a respected inventor based in Oak Park, Michigan, recognized for his contributions in thermal management technology. With a total of 18 patents to his name, Phlegm has made significant strides in developing innovative solutions for efficient heat transfer in various applications.

Latest Patents

Phlegm's latest patents include a "Cure-in-place lightweight thermally-conductive interface," which discusses a thermal interface member designed to be positioned between a heat sink and a heat-releasing device. This member features a thermally conductive, cure-in-place, polymer foam pad that ensures consistent contact with both the heat sink and the heat-releasing device. Its sophisticated design allows it to absorb thermal energy emitted from the heat-releasing device and transport that energy to the heat sink, employing a matrix structure made of thermally conductive filler materials.

Additionally, his inventions encompass the "Cure in place thermal interface material," which explores methods and devices that promote uniform waste heat distribution in vehicular battery packs. This includes an innovative design with a battery pack, a cold plate, and a coolant reservoir that leverages conformable thermal interface materials to enhance thermal contact and heat management.

Career Highlights

Herman K. Phlegm has dedicated his career to advancing thermal management technologies. His work is primarily conducted with GM Global Technology Operations LLC, where he has made considerable contributions to the field. His expertise has helped in developing ground-breaking solutions that improve not only the efficiency of vehicular systems but also other compact devices requiring effective thermal management.

Collaborations

Throughout his career, Phlegm has collaborated with notable colleagues, including Mahmoud H Abd Elhamid and Sami A Syed. These partnerships have enabled him to combine knowledge and innovativeness in the pursuit of excellence in thermal solutions.

Conclusion

Herman K. Phlegm's notable patents and collaborative efforts underline his commitment to innovation in thermal management technology. His contributions continue to impact multiple industries, ensuring improved efficiency and performance in various heat-related applications. Phlegm's work exemplifies the vital role inventors play in pushing the boundaries of technology and addressing modern challenges in heat management.

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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