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)

Core Competencies:

Water Purification

Stirring Hot Plate

Fluid Dispensing

Ultrasonic Nebulizer

Environmental Chamber

Sterilizer Valve

Heating Element

Cryogenic Liquid Sensing

Incubator

Ashing Furnace

Liquid Filter Cartridge

Remote Water Dispensing

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, based in Dubuque, Iowa, specializes in the development and manufacturing of laboratory equipment and supplies. The company is known for its innovative solutions in thermal processing, including ovens, furnaces, and sterilizers, catering to a wide range of industries such as pharmaceuticals, biotechnology, and research laboratories. With a commitment to quality and precision, Barnstead Thermolyne plays a crucial role in supporting scientific advancements and laboratory efficiency across various sectors.

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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