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For the Inventor, By the Inventor

Ashville, OH, United States of America

Columbus Industries, Inc.


USPTO Granted Patents = 28



Trademarks = 25

Forward Citations = 303

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15 inventors (with patents filed for the assignee):

goldMedal Mounir B H Slama (6 out of 6 patents)

silverMedal James E Large (6 out of 6 patents)

bronzeMedal Russell L Baldinger (6 out of 10 patents)

4.  Chrystal B Gillilan (6 out of 6 patents)

5.  Michael K Haufe (5 out of 5 patents)

6.  Thaddeus J Ptak (5 out of 5 patents)

7.  Jeffrey S Pontius (5 out of 6 patents)

8.  Daniel J Baizel (4 out of 4 patents)

9.  Thomas Wayne Vickers (2 out of 2 patents)

10.  Harold T Pontius (2 out of 2 patents)

11.  Allan G Hanson (1 out of 2 patents)

12.  T Wayne Vickers (1 out of 1 patent)

13.  Frances Lampi (1 out of 1 patent)

14.  Vivekanand Gaur (1 out of 1 patent)

15.  Eric Pontious (1 out of 1 patent)


28 patents:

1. 12233376 - Surface-modified carbon and sorbents for improved efficiency in removal of gaseous contaminants (2025-02-25),
2. 11819792 - Bidirectional airflow filter (2023-11-21),
3. 11745206 - Filtering apparatus with at least one filter unit (2023-09-05),
4. 11014113 - Industrial coating application filter with pleated support (2021-05-25),
5. 10596585 - Industrial coating application filter with pleated support (2020-03-24),
6. 10427077 - Collapsible pleated filter using laterally positioned retaining members (2019-10-01),
7. 10213722 - Heat sealed recyclable filter (2019-02-26),
8. 10124317 - Apparatus and method for avoiding fluid bypass in particulate filters (2018-11-13),
9. 9993835 - Industrial coating application filter with pleated support (2018-06-12),
10. 9943796 - Multi layer pleatable filter medium (2018-04-17),
11. 9555358 - Industrial coating application filter with pleated support (2017-01-31),
12. 9481004 - Paint booth filter (2016-11-01),
13. 9320998 - Collapsible pleated filter and frame (2016-04-26),
14. 9199189 - Filter medium having ozone and odor removal properties (2015-12-01),
15. 8641794 - Air filter and air filter system (2014-02-04),
Columbus Industries, Inc. is a leading manufacturer and supplier of high-quality air filtration products. With more than 50 years of experience, we specialize in providing innovative solutions for clean air and HVAC systems. Our extensive product range includes air filters, filter media, pre-filters, and activated carbon filters. We serve various industries such as automotive, healthcare, commercial buildings, and industrial manufacturing. Our commitment to excellence and customer satisfaction has made us a trusted name in the industry.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 16 2025

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28 Patents

#1 in Ashville, OH

#495 in Ohio

#11,599 in US

#22,554 in the World

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Ashville, OH, United States of America

Columbus Industries, Inc.

Forward Citations = 303

15 inventors:

goldMedal Mounir B H Slama (6 out of 6 patents)

silverMedal James E Large (6 out of 6 patents)

bronzeMedal Russell L Baldinger (6 out of 10 patents)

4.  Chrystal B Gillilan (6 out of 6 patents)

5.  Michael K Haufe (5 out of 5 patents)

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