For the Inventor, By the Inventor

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Cincinnati, OH, United States of America

United Air Specialists, Inc.

USPTO Granted Patents = 29

EPO Patents = 2

Trademarks = 9

Forward Citations = 732

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27 inventors (with patents filed for the assignee):

Wendell P Spurgin (7 out of 7 patents)

William A Cheney (6 out of 6 patents)

Frederick R Wichmann (5 out of 5 patents)

4. Travis Haynam (4 out of 5 patents)

5. James C Bricker (3 out of 9 patents)

6. William J Darm (3 out of 3 patents)

7. Cathy Haglund (2 out of 2 patents)

8. Matt Stehlin (2 out of 2 patents)

9. Forester C Baker (2 out of 2 patents)

10. Carl A Elsbernd (2 out of 2 patents)

11. William G Weber (2 out of 2 patents)

12. Greg M Gottlieb (1 out of 1 patent)

13. Jeff Allen Canfield (1 out of 3 patents)

14. Thomas B Green (1 out of 14 patents)

15. Alan W Ball (1 out of 2 patents)

29 patents: Sort by Forward Citations

1. 10661213 - Industrial air filtration system and associated filter element (2020-05-26),

2. 9718018 - Filter cleaning system and method (2017-08-01),

3. 8864913 - Filter cleaning system and method (2014-10-21),

4. 8486172 - Filter element arrangement and end cap interface feature (2013-07-16),

5. 8430941 - Filter element arrangement and portable air cleaner incorporating same (2013-04-30),

6. 6902592 - Apparatus and method for cleaning an air filter unit (2005-06-07),

7. 5556448 - Electrostatic precipitator that operates in conductive grease atmosphere (1996-09-17),

8. 5503336 - High volume - low volume electrostatic dispensing nozzle assembly (1996-04-02),

9. 5474599 - Apparatus for electrostatically cleaning particulates from air (1995-12-12),

10. 5441204 - Electrostatic fluid distribution nozzle (1995-08-15),

11. 5330559 - Method and apparatus for electrostatically cleaning particulates from air (1994-07-19),

12. 5209410 - Electrostatic dispensing nozzle assembly (1993-05-11),

13. 4781736 - Electrostatically enhanced HEPA filter (1988-11-01),

14. 4484451 - Two-stage gas condenser with feedback cooling (1984-11-27),

15. 4484396 - Oxygen reduction system and condenser apparatus with automatic defrost (1984-11-27),

United Air Specialists, Inc. is a leading provider of air pollution control systems. With over 50 years of experience, UAS offers innovative solutions to industries globally. Their expertise lies in designing and manufacturing high-quality air filtration systems, dust collectors, mist collectors, and fume extractors. UAS aims to improve air quality and provide a healthier environment for both industrial and commercial applications.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

29 Patents

#44 in Cincinnati, OH

#479 in Ohio

#11,219 in US

#21,844 in the World

Cincinnati, OH, United States of America

United Air Specialists, Inc.

Forward Citations = 732

27 inventors:

Wendell P Spurgin (7 out of 7 patents)

William A Cheney (6 out of 6 patents)

Frederick R Wichmann (5 out of 5 patents)

4. Travis Haynam (4 out of 5 patents)

5. James C Bricker (3 out of 9 patents)

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