For the Inventor, By the Inventor

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Dubuque, IA, United States of America

Barnstead Thermolyne Corporation

USPTO Granted Patents = 35

% Expired Patents = 14.3

EPO Patents = 2

Trademarks = 5

Forward Citations = 597

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29 inventors (with patents filed for the assignee):

Steven C Peake (14 out of 26 patents)

James R Edwards (10 out of 18 patents)

Chester E Chomka (10 out of 12 patents)

4. Mark D Lockwood (8 out of 14 patents)

5. Kerry W Leppert (8 out of 11 patents)

6. Thomas Joseph Larkner (6 out of 9 patents)

7. Joseph Francis Tilp (5 out of 12 patents)

8. Charles T Nachtman (4 out of 10 patents)

9. Eric Garz (3 out of 5 patents)

10. Kenneth David Hermsen (3 out of 3 patents)

11. Roger W Earle (3 out of 4 patents)

12. Eric J Willman (3 out of 5 patents)

13. Tina M Timmerman (3 out of 5 patents)

14. Lawrence J Fenske (3 out of 14 patents)

15. Dennis H Smith (2 out of 4 patents)

35 patents: Sort by Forward Citations

1. 7919731 - Stirring hot plate (2011-04-05),

2. 7699993 - Methods for wirelessly operating water purification systems (2010-04-20),

3. 7686285 - Environmental chamber and ultrasonic nebulizer assembly therefor (2010-03-30),

4. 7442297 - Remote water dispensing device and methods for operating such remote water dispensing devices (2008-10-28),

5. 7401501 - Method and apparatus for determining liquid absorption of aggregate (2008-07-22),

6. RE40310 - Water purification system and method including dispensed volume sensing and control (2008-05-12),

7. 7326885 - Hot plate with stainless steel top (2008-02-05),

8. 7075040 - Stirring hot plate (2006-07-11),

9. 6986279 - Method and apparatus for determining liquid absorption of aggregate (2006-01-17),

10. 6585885 - Water purification system and method including dispensed volume sensing and control (2003-07-01),

11. 6486475 - Method and apparatus for determining liquid absorption of aggregate (2002-11-26),

12. 6391258 - Pressure vessel having electromechanical latching mechanism (2002-05-21),

13. 6328881 - Water purification system and method including dispensed volume sensing and control (2001-12-11),

14. 6273134 - Sterilizer valve (2001-08-14),

15. D439304 - Liquid filter cartridge pack (2001-03-21),

Barnstead Thermolyne Corporation is a leading manufacturer of laboratory equipment and solutions. With a commitment to delivering reliable performance and innovative technology, we offer a wide range of products for scientific research and industrial applications. Our products include heating and cooling equipment, water purification systems, shakers, mixers, and more. With a focus on quality and customer satisfaction, Barnstead Thermolyne Corporation is dedicated to providing exceptional products and solutions to meet the needs of laboratories worldwide.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

35 Patents

#2 in Dubuque, IA

#60 in Iowa

#9,736 in US

#19,137 in the World

Dubuque, IA, United States of America

Barnstead Thermolyne Corporation

Forward Citations = 597

29 inventors:

Steven C Peake (14 out of 26 patents)

James R Edwards (10 out of 18 patents)

Chester E Chomka (10 out of 12 patents)

4. Mark D Lockwood (8 out of 14 patents)

5. Kerry W Leppert (8 out of 11 patents)

Please report any incorrect information to [email protected]

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