For the Inventor, By the Inventor

Enter assignee name

Buchanan, MI, United States of America

Electro-Voice, Inc.

Calculating rank

USPTO Granted Patents = 32

Forward Citations = 754

Loading Chart...

Loading Chart...

19 inventors (with patents filed for the assignee):

Alan R Watson (7 out of 37 patents)

Kent H Frye (4 out of 4 patents)

Rudolph H Engelmann (4 out of 4 patents)

4. Michael A Bryson (3 out of 23 patents)

5. David E Carlson (3 out of 3 patents)

6. David W Gunness (3 out of 3 patents)

7. Paul F Fidlin (2 out of 2 patents)

8. Wayne J Kooy (2 out of 6 patents)

9. Gary T Ewald (2 out of 2 patents)

10. Gregory D Jackson (2 out of 2 patents)

11. Douglas J Button (1 out of 35 patents)

12. Thomas C Lininger (1 out of 1 patent)

13. D Broadus Keele, Jr (1 out of 1 patent)

14. Robert C Ramsey (1 out of 1 patent)

15. Lee Hagey (1 out of 1 patent)

Core Competencies:

Loudspeaker

Microphone

Acoustic Transformer

Power Control

High Output

Directional Microphone

Engraving Process

Battery Charger

Dynamic Loudspeaker

Constant Directivity

Acoustic Equalizer

Portable Loudspeaker

32 patents: Sort by Forward Citations

1. 5020630 - Loudspeaker and horn therefor (1991-06-04),

2. 4984278 - Adjustable mount for a loudspeaker (1991-01-08),

3. 4933975 - Dynamic loudspeaker for producing high audio power (1990-06-12),

4. 4923031 - High output loudspeaker system (1990-05-08),

5. 4824715 - Engraving process and product thereof (1989-04-25),

6. 4779035 - End of charge detector (1988-10-18),

7. 4775766 - Tapped transformer/switch assembly (1988-10-04),

8. 4745020 - Engraved plastic article (1988-05-17),

9. 4733749 - High output loudspeaker for low frequency reproduction (1988-03-29),

10. 4718517 - Loudspeaker and acoustic transformer therefor (1988-01-12),

11. 4717889 - Power control system for periodically and selectively energizing or (1988-01-05),

12. 4716353 - Battery charger (1987-12-29),

13. 4685532 - Constant directivity loudspeaker horn (1987-08-11),

14. 4685137 - Microphone with non-symmetrical directivity pattern (1987-08-04),

15. 4673888 - Power control system (1987-06-16),

Company Overview

Electro-Voice, Inc. is a prominent manufacturer specializing in professional audio equipment, including microphones, loudspeakers, and amplifiers. The company is known for its commitment to innovation in sound technology, catering to a wide range of applications from live performances to installed sound systems. Headquartered in Buchanan, Michigan, Electro-Voice serves a global market, providing high-quality audio solutions that enhance the listening experience across various environments, including concerts, venues, and broadcasting.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

32 Patents

#2 in Buchanan, MI

#397 in Michigan

#10,607 in US

#20,697 in the World

Buchanan, MI, United States of America

Electro-Voice, Inc.

Forward Citations = 754

19 inventors:

Alan R Watson (7 out of 37 patents)

Kent H Frye (4 out of 4 patents)

Rudolph H Engelmann (4 out of 4 patents)

4. Michael A Bryson (3 out of 23 patents)

5. David E Carlson (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Electro-Voice, Inc.. Retrieved from https://idiyas.com/company/electro-voice

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]

Loading…