For the Inventor, By the Inventor

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DeKalb, IL, United States of America

The Wurlitzer Company

USPTO Granted Patents = 50

Forward Citations = 407

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25 inventors (with patents filed for the assignee):

William R Hoskinson (18 out of 18 patents)

William V Machanian (10 out of 10 patents)

Peter E Solender (9 out of 13 patents)

4. Anthony C Ippolito (9 out of 9 patents)

5. Harold O Schwartz (6 out of 7 patents)

6. Robert W Wheelwright (6 out of 6 patents)

7. Robert S Hill (5 out of 5 patents)

8. George S Klaiber (5 out of 5 patents)

9. Joseph C Carley (4 out of 4 patents)

10. Stanley A Grajek (4 out of 4 patents)

11. Alvin S Topolski (3 out of 3 patents)

12. Dennis E Kidd (3 out of 3 patents)

13. Howard M Thomas (2 out of 4 patents)

14. Richard A Borowiec (2 out of 4 patents)

15. Edward K Miguel (1 out of 4 patents)

Core Competencies:

Musical Tones

Programmable Tone Generator

Soundboard

Electronic Vibrato

Chord Control Circuit

Velocity Sensitive Keyer

Digital Organ System

Envelope Control

Integrated Circuit

Rhythm Patterns

Waveform Synthesis

Phonograph Selector

50 patents: Sort by Forward Citations

1. 4470333 - Generation of musical tones from multiplexed serial data (1984-09-11),

2. 4428270 - Electronic vibrato or celeste (1984-01-31),

3. 4417496 - Velocity sensitive keyer control circuit for an electronic musical (1983-11-29),

4. 4393740 - Programmable tone generator (1983-07-19),

5. 4391177 - Piano soundboard and method of making same (1983-07-05),

6. 4388851 - Non-volatile memory system for an electronic musical instrument (1983-06-21),

7. 4375179 - Action for electronic piano (1983-03-01),

8. 4361754 - Record operated control system for a vending machine (1982-11-30),

9. 4361458 - Piano soundboard and method of making same (1982-11-30),

10. 4342247 - Production of detuning effects in an electronic musical instrument (1982-08-03),

11. 4331057 - Automatic chord control circuit for electronic musical instruments (1982-05-25),

12. 4319509 - Sequence generator for an electronic musical instrument (1982-03-16),

13. 4319508 - Modular, expandable digital organ system (1982-03-16),

14. 4299153 - Touch responsive envelope control for electronic musical instrument (1981-11-10),

15. 4282575 - Control system for vending machine (1981-08-04),

Company Overview

The Wurlitzer Company, based in DeKalb, Illinois, specializes in the development and manufacturing of electronic musical instruments. Renowned for its innovative contributions to the music industry, the company focuses on technologies that enhance musical expression, including programmable tone generators, soundboards, and electronic vibrato systems. Wurlitzer's expertise extends to advanced features such as chord control circuits and velocity-sensitive keyers, making it a significant player in the realm of digital organ systems and envelope control technologies.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

50 Patents

#3 in DeKalb, IL

#393 in Illinois

#7,011 in US

#14,024 in the World

DeKalb, IL, United States of America

The Wurlitzer Company

Forward Citations = 407

25 inventors:

William R Hoskinson (18 out of 18 patents)

William V Machanian (10 out of 10 patents)

Peter E Solender (9 out of 13 patents)

4. Anthony C Ippolito (9 out of 9 patents)

5. Harold O Schwartz (6 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: The Wurlitzer Company. Retrieved from https://idiyas.com/company/wurlitzer-company

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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