Trademarks = 1

Forward Citations = 45

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5 inventors (with patents filed for the assignee):

Ely S Zofan (3 out of 3 patents)

Terry D Bush (2 out of 2 patents)

D Joseph Denen (2 out of 2 patents)

4. Marlin O Thurston (1 out of 26 patents)

5. Dennis Joseph Denen (1 out of 45 patents)

6 patents: Sort by Forward Citations

1. 4684927 - Annunciator circuit for elevator systems (1987-08-04),

2. 4664764 - Cathodic protection of structures (1987-05-12),

3. 4658419 - Telephone ringer circuit (1987-04-14),

4. 4653093 - Frequency selective ringer circuit (1987-03-24),

5. 4214131 - Electronic audio signalling device for telephones (1980-07-22),

6. 4157459 - Electronic audio signalling device for telephones (1979-06-05),

Company Overview

Floyd Bell Associates Inc. is a leading manufacturer of audible alarms and signaling devices. With over 50 years of experience, they provide high-quality products for a wide range of industries including industrial, commercial, and military. Their innovative designs and reliable products have made them a trusted name in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

6 Patents

#118 in Columbus, OH

#1,770 in Ohio

#44,949 in US

Columbus, OH, United States of America

Floyd Bell Associates Inc.

Forward Citations = 45

5 inventors:

Ely S Zofan (3 out of 3 patents)

Terry D Bush (2 out of 2 patents)

D Joseph Denen (2 out of 2 patents)

4. Marlin O Thurston (1 out of 26 patents)

5. Dennis Joseph Denen (1 out of 45 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Floyd Bell Associates Inc.. Retrieved from https://idiyas.com/company/floyd-bell-associates

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]