Trademarks = 9

Forward Citations = 111

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3 inventors (with patents filed for the assignee):

Fred Kirchner (4 out of 5 patents)

David W Osborne (2 out of 15 patents)

Sadiq Shah (2 out of 3 patents)

4 patents: Sort by Forward Citations

1. 5906808 - Process of preparing a topical antimicrobial cleanser (1999-05-25),

2. 5858118 - Stainless steel alkali treatment (1999-01-12),

3. 5776430 - Topical antimicrobial cleanser containing chlorhexidine gluconate and (1998-07-07),

4. 5766684 - Stainless steel acid treatment (1998-06-16),

Calgon Vestal, Inc. is a leading manufacturer of advanced water treatment solutions for industrial and commercial applications. With a proven track record of excellence in water filtration and purification, Calgon Vestal provides innovative products and services to improve water quality and reduce environmental impact. Our team of experts is dedicated to delivering reliable and cost-effective solutions to meet the needs of our customers.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

4 Patents

#30 in Mentor, OH

#2,274 in Ohio

#59,078 in US

Mentor, OH, United States of America

Calgon Vestal, Inc.

Forward Citations = 111

3 inventors:

Fred Kirchner (4 out of 5 patents)

David W Osborne (2 out of 15 patents)

Sadiq Shah (2 out of 3 patents)

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