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Willoughby, OH, United States of America

A-T-O Inc.

Calculating rank

USPTO Granted Patents = 98

Trademarks = 10

Forward Citations = 1,951

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76 inventors (with patents filed for the assignee):

Sidney T Carter (9 out of 10 patents)

Hal D Mitchell (8 out of 26 patents)

Michael E Winiasz (7 out of 23 patents)

4. Robert W McGill (6 out of 11 patents)

5. Bryan D Ulch (5 out of 5 patents)

6. John L Sullivan (4 out of 6 patents)

7. Donald P Sturgis (3 out of 4 patents)

8. Ward Sievenpiper (3 out of 3 patents)

9. Edward A Schnier (3 out of 3 patents)

10. Clifford E Heintz (3 out of 3 patents)

11. Robert J Fox (3 out of 3 patents)

12. Charles E Venzke (3 out of 3 patents)

13. Roland N Latina (3 out of 6 patents)

14. Loyal G Netteland (3 out of 4 patents)

15. Michael L Becker (2 out of 7 patents)

Core Competencies:

Shock Attenuation

Suspension System

Pressure Demand Regulator

Breathing Apparatus

Labeling Machine

Capping Machine

Sortation Conveyor

Baseball Mitt

Fire Alarm

Smoke Detector

Programmable Terminal

Adjustable Apparatus

98 patents: Sort by Forward Citations

1. 4484364 - Shock attenuation system for headgear (1984-11-27),

2. 4423524 - Suspension system for headgear (1984-01-03),

3. 4403661 - Automatic spray nozzle (1983-09-13),

4. 4389635 - Interfacing attachment for remote mechanical fire alarms (1983-06-21),

5. 4360101 - Case feed control for article handling apparatus (1982-11-23),

6. 4357787 - Spindle for capping machine (1982-11-09),

7. 4346481 - Baseball mitt (1982-08-31),

8. 4345593 - Pressure-demand breathing apparatus with automatic air shut-off (1982-08-24),

9. 4345592 - Pressure demand regulator with automatic shut-off (1982-08-24),

10. 4322859 - Shoulder pad (1982-04-06),

11. 4320537 - Shoulder pad (1982-03-23),

12. 4315478 - Doctor blade for labeling machine (1982-02-16),

13. 4296399 - Microminiature palladium oxide gas detector and method of making same (1981-10-20),

14. 4295227 - Shoulder pad (1981-10-20),

15. 4294057 - Case packer apparatus including velocity compensator assembly (1981-10-13),

Company Overview

A-T-O Inc., based in Willoughby, Ohio, specializes in the development and manufacturing of advanced headgear systems. The company focuses on innovative technologies such as shock attenuation and suspension systems, enhancing user safety and comfort. A-T-O Inc. also offers solutions in pressure demand regulators and breathing apparatuses, catering to various industrial applications. Additionally, the company is involved in the production of labeling machines, capping machines, and sortation conveyors, showcasing its diverse engineering capabilities.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

98 Patents

#2 in Willoughby, OH

#182 in Ohio

#3,861 in US

#7,937 in the World

Willoughby, OH, United States of America

A-T-O Inc.

Forward Citations = 1,951

76 inventors:

Sidney T Carter (9 out of 10 patents)

Hal D Mitchell (8 out of 26 patents)

Michael E Winiasz (7 out of 23 patents)

4. Robert W McGill (6 out of 11 patents)

5. Bryan D Ulch (5 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: A-T-O Inc.. Retrieved from https://idiyas.com/company/a-t-o

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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