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Warwick, RI, United States of America

Leesona Corporation

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USPTO Granted Patents = 80

Forward Citations = 759

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78 inventors (with patents filed for the assignee):

Charles W Brouwer (15 out of 15 patents)

Albert W Arends (10 out of 26 patents)

Gomer E Kropa (7 out of 8 patents)

4. George L Pickard (6 out of 10 patents)

5. Larry C Cowan (6 out of 6 patents)

6. Christopher G Bradbury (5 out of 5 patents)

7. Karl W Wueger (5 out of 5 patents)

8. Robert C Whiteside (4 out of 10 patents)

9. William Malcolm Bense (4 out of 4 patents)

10. George A West (4 out of 5 patents)

11. David W Cuff (3 out of 3 patents)

12. Walter Buchan (3 out of 4 patents)

13. Edward J Winiarski (3 out of 3 patents)

14. Roy W Gerstenberg (3 out of 3 patents)

15. Fred L Greynolds (3 out of 3 patents)

Core Competencies:

Thermoforming

Granulation

Motor Control

Yarn Feeder

Fluid Weft Insertion

Quality Monitoring

Pelletizing

Strand Delivery

Defective Motor Brush

Fabric Selvage

Extrusion Die

Take-Up Mechanism

80 patents: Sort by Forward Citations

1. 4566646 - Take-up machine motor control (1986-01-28),

2. 4555377 - Thermoforming methods and apparatus (1985-11-26),

3. 4529372 - Hollow article forming apparatus (1985-07-16),

4. 4528556 - Defective motor brush detector (1985-07-09),

5. 4518126 - Take-up mechanism (1985-05-21),

6. 4509909 - Clamp mechanism for differential pressure thermoformer (1985-04-09),

7. 4502588 - Apparatus and methods for transferring nested stacks of plastic articles (1985-03-05),

8. 4473096 - Weft end reception system (1984-09-25),

9. 4471818 - Fluid weft insertion loom monitoring system (1984-09-18),

10. 4471817 - Fluid weft insertion loom monitoring system (1984-09-18),

11. 4466469 - Air weft insertion nozzle control system (1984-08-21),

12. 4466468 - Strand delivery system (1984-08-21),

13. 4464329 - Differential pressure synthetic plastic forming machine and method with (1984-08-07),

14. 4458729 - Strand delivery and storage system (1984-07-10),

15. 4454997 - Inlet guide means for strand user devices (1984-06-19),

Company Overview

Leesona Corporation, headquartered in Warwick, Rhode Island, specializes in advanced thermoforming technology. The company focuses on developing innovative solutions for various applications, including granulation, motor control, and fluid weft insertion. With a strong emphasis on quality monitoring and efficient pelletizing processes, Leesona is dedicated to enhancing manufacturing capabilities in the thermoforming sector. Their expertise extends to strand delivery systems, positioning them as a key player in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

80 Patents

#2 in Warwick, RI

#18 in Rhode Island

#4,633 in US

#9,463 in the World

Warwick, RI, United States of America

Leesona Corporation

Forward Citations = 759

78 inventors:

Charles W Brouwer (15 out of 15 patents)

Albert W Arends (10 out of 26 patents)

Gomer E Kropa (7 out of 8 patents)

4. George L Pickard (6 out of 10 patents)

5. Larry C Cowan (6 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Leesona Corporation. Retrieved from https://idiyas.com/company/leesona

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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