Downers Grove, IL, United States of America

David M Schaefer

This inventor holds 1 USPTO granted patent. Top assignee: Knowles Electronics, Inc.. Active years: 2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David M Schaefer. Retrieved from https://idiyas.com/inventor/david-m-schaefer-fmg63ec6

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


Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 85(Granted Patents)


Company Filing History:


Years Active: 2009

Loading Chart...
1 patent (USPTO):Explore Patents

Title: David M Schaefer: Innovator in Earphone Technology

Introduction

David M Schaefer is a notable inventor based in Downers Grove, IL (US). He has made significant contributions to the field of audio technology, particularly in the design of earphones. His innovative approach has led to the development of a unique product that enhances the listening experience for users.

Latest Patents

David holds a patent for an invention titled "Isolating Deep Canal Fitting Earphone." This insert earphone features a housing that contains at least one transducer. The transducer is designed to receive electrical energy and convert it into acoustic energy, which is then presented to the user's eardrum. The positioning of the transducer within the housing allows it to be in close proximity to the eardrum when the housing is inserted into the ear canal. Additionally, the earphone includes at least one sealing member that provides an acoustic seal within the user's ear canal.

Career Highlights

David M Schaefer is currently associated with Knowles Electronics, Inc., a company known for its advancements in micro-acoustic microphones and audio solutions. His work at Knowles has allowed him to focus on innovative audio technologies that improve sound quality and user experience.

Collaborations

Throughout his career, David has collaborated with talented individuals such as Timothy K Wickstrom and William J Ballad. These collaborations have contributed to the development of cutting-edge audio products and technologies.

Conclusion

David M Schaefer is a prominent figure in the audio technology industry, with a patent that showcases his innovative spirit. His contributions continue to influence the design and functionality of earphones, enhancing the listening experience for users worldwide.

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]
Loading…