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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 is a leading manufacturer and supplier of industrial equipment and tools. With a wide range of products including valves, pumps, and compressors, we strive to provide high-quality solutions for our customers to optimize their operations. Our team of experienced professionals is dedicated to delivering innovative and reliable products that meet the highest standards of quality and efficiency. Visit our website to learn more about our products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

21 Patents

#2 in Bryn Mawr, PA

#562 in Pennsylvania

#15,151 in US

#29,031 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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