For the Inventor, By the Inventor

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West Warwick, RI, United States of America

Amtrol Inc.

USPTO Granted Patents = 46

% Expired Patents = 8.7

EPO Patents = 2

Trademarks = 19

Forward Citations = 810

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39 inventors (with patents filed for the assignee):

Joseph A Lane (11 out of 11 patents)

Kenneth L Kirk (6 out of 6 patents)

John Kevin Bowman (5 out of 15 patents)

4. Bernard B Becker (5 out of 5 patents)

5. Cyril A Randall (4 out of 4 patents)

6. Joseph Gerstmann (3 out of 23 patents)

7. Eugene C Hunley, Jr (3 out of 3 patents)

8. Terry H Jozwiak (3 out of 3 patents)

9. Robert H Jernberg (3 out of 9 patents)

10. Robert F O'Connor (3 out of 3 patents)

11. Robert G Walker (2 out of 82 patents)

12. Tiago Oliveira (2 out of 6 patents)

13. David Beretta, Iii (2 out of 3 patents)

14. William Chohfi (2 out of 5 patents)

15. Albert R Heilmann (2 out of 3 patents)

Core Competencies:

Pressure Vessel

Diaphragm Valve

Gas Cylinder

Expansion Tank

Aeration Device

Heat Exchanger

Back Flow Preventer

Fluid Storage Tank

Non-Refillable Valve

Hydropneumatic Tank

Water Booster System

Valves

46 patents: Sort by Forward Citations

1. D559348 - Handle for a portable gas cylinder (2008-01-08),

2. 7287663 - Lined pressure vessel and connector therefor (2007-10-30),

3. 7255245 - Hybrid pressure vessel with separable jacket (2007-08-14),

4. 7216673 - Non-metallic expansion tank with internal diaphragm and clamping device for same (2007-05-15),

5. 7100683 - In-well aeration device (2006-09-05),

6. 7048861 - System and method for in-well aeration (2006-05-23),

7. 7032628 - Mobile prepressurized diaphragm type fluid storage tank (2006-04-25),

8. 6957799 - Valve for a non-refillable pressurized container (2005-10-25),

9. D460519 - Handle (2002-07-17),

10. 6386384 - Full jacket gas cylinder (2002-05-14),

11. 5794660 - Valves for pressurized containers (1998-08-18),

12. 5778679 - Method and apparatus for increasing acceptance and adjusting the rate of (1998-07-14),

13. 5758820 - Heat recovery system (1998-06-02),

14. 5691406 - Universal EPDM/butyl compound for use as an elastomeric barrier in water (1997-11-25),

15. 5657790 - Valves for pressurized containers (1997-08-19),

Company Overview

Amtrol Inc., based in West Warwick, RI, specializes in the development and manufacturing of innovative pressure vessels and related technologies. The company focuses on portable gas cylinders, hybrid pressure vessels, and expansion tanks, catering to various industries that require reliable pressure management solutions. Additionally, Amtrol is known for its advancements in aeration devices, non-refillable valves, and heat recovery systems, contributing to enhanced efficiency and safety in fluid handling applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

46 Patents

#3 in West Warwick, RI

#40 in Rhode Island

#7,600 in US

#15,122 in the World

West Warwick, RI, United States of America

Amtrol Inc.

Forward Citations = 810

39 inventors:

Joseph A Lane (11 out of 11 patents)

Kenneth L Kirk (6 out of 6 patents)

John Kevin Bowman (5 out of 15 patents)

4. Bernard B Becker (5 out of 5 patents)

5. Cyril A Randall (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Amtrol Inc.. Retrieved from https://idiyas.com/company/amtrol

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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