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For the Inventor, By the Inventor

West Warwick, RI, United States of America

Amtrol Inc.


USPTO Granted Patents = 46

% Expired Patents = 8.7


Trademarks = 19

Forward Citations = 810

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39 inventors (with patents filed for the assignee):

goldMedal Joseph A Lane (11 out of 11 patents)

silverMedal Kenneth L Kirk (6 out of 6 patents)

bronzeMedal 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:

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),
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 based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Amtrol Inc.
46 Patents

#3 in West Warwick, RI

#39 in Rhode Island

#7,585 in US

#15,085 in the World

West Warwick, RI (US)
West Warwick, RI, United States of America

Amtrol Inc.

Forward Citations = 810

39 inventors:

goldMedal Joseph A Lane (11 out of 11 patents)

silverMedal Kenneth L Kirk (6 out of 6 patents)

bronzeMedal 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)

Please report any incorrect information to [email protected]
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