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Bryn Mawr, PA, United States of America

Kewanee Industries

USPTO Granted Patents = 21

Trademarks = 1

Forward Citations = 131

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17 inventors (with patents filed for the assignee):

John J Merianos (14 out of 87 patents)

Harold A Green (13 out of 39 patents)

Alfonso N Petrocci (12 out of 34 patents)

4. Phillip Adams (3 out of 15 patents)

5. Harold E Swift (2 out of 86 patents)

6. Morris Weinstein (2 out of 8 patents)

7. Elliot H Baum (2 out of 2 patents)

8. Saul Kaplan (2 out of 3 patents)

9. Robert A Innes (2 out of 16 patents)

10. Robert W Bender (1 out of 3 patents)

11. Gerald R Ferrante (1 out of 1 patent)

12. Marvin Weiss (1 out of 3 patents)

13. Gerald I Nass (1 out of 3 patents)

14. Roland L Leitner (1 out of 3 patents)

15. Kenneth W Prodo (1 out of 2 patents)

21 patents: Sort by Forward Citations

1. 4374244 - Linear quaternary ammonium polymers (1983-02-15),

2. 4325940 - Anti-microbial, cosmetic and water-treating ionene polymeric compounds (1982-04-20),

3. 4304910 - Quarnary ammonium polymeric anti-microbial agent (1981-12-08),

4. 4293716 - Process for preparing alkyldimethylamines (1981-10-06),

5. 4251465 - Process for preparing alkyldimethylamines (1981-02-17),

6. 4209397 - Flocculants for aqueous systems (1980-06-24),

7. 4192817 - Amphoteric surfactants (1980-03-11),

8. 4190644 - Hair conditioning compounds (1980-02-26),

9. 4188293 - Method of effecting flocculation (1980-02-12),

10. 4158644 - Cleaner and grease emulsifier (1979-06-19),

11. 4155994 - Hair conditioning agents (1979-05-22),

12. 4155710 - Process for preventing fading in textiles (1979-05-22),

13. 4140798 - Method of inhibiting microorganisms (1979-02-20),

14. 4133772 - Aqueous detergent compositions containing amphoteric surfactants having (1979-01-09),

15. 4104144 - Radiation-curable coating compositions and inks (1978-08-01),

Kewanee Industries, based in Bryn Mawr, PA, specializes in the development and manufacturing of advanced industrial equipment and components. The company focuses on innovative solutions for various sectors, including energy, manufacturing, and environmental technologies. With a commitment to quality and performance, Kewanee Industries leverages cutting-edge research and technology to enhance operational efficiency and sustainability in industrial applications. Its expertise positions the company as a key player in the evolving landscape of industrial solutions.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

21 Patents

#1 in Bryn Mawr, PA

#570 in Pennsylvania

#15,668 in US

#29,893 in the World

Bryn Mawr, PA, United States of America

Kewanee Industries

Forward Citations = 131

17 inventors:

John J Merianos (14 out of 87 patents)

Harold A Green (13 out of 39 patents)

Alfonso N Petrocci (12 out of 34 patents)

4. Phillip Adams (3 out of 15 patents)

5. Harold E Swift (2 out of 86 patents)

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