For the Inventor, By the Inventor

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Cuyahoga Falls, OH, United States of America

Americhem, Inc.

USPTO Granted Patents = 13

% Expired Patents = 23.1

CIPO Patents = 1

Trademarks = 16

Forward Citations = 226

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13 inventors (with patents filed for the assignee):

Vaman G Kulkarni (6 out of 9 patents)

Jeffrey E Nesbitt (2 out of 4 patents)

Bernhard M Wessling (2 out of 24 patents)

4. Anton Becker (2 out of 2 patents)

5. Brian Guhde (1 out of 1 patent)

6. Craig Dennis (1 out of 1 patent)

7. Joseph E Mattingly, Jr (1 out of 1 patent)

8. Tim Chen (1 out of 1 patent)

9. Jamshid Avlyanov (1 out of 1 patent)

10. Charles W Pratt (1 out of 3 patents)

11. John C Campbell (1 out of 3 patents)

12. John J Satterfield, Iii (1 out of 1 patent)

13. Kenneth E Swain (1 out of 1 patent)

14. Charles Pratt (0 patent)

13 patents: Sort by Forward Citations

1. 9896850 - Thermoplastic-based building product and related methods (2018-02-20),

2. 7638187 - Beneficiated fiber and composite (2009-12-29),

3. 7188992 - Kneading element and related articles (2007-03-13),

4. 7175907 - Beneficiated fiber and composite (2007-02-13),

5. 6099757 - Tuned conductive coatings and blends from intrinisically conductive (2000-08-08),

6. 6060116 - Polyaniline in the form of an easily dispersible powder and its use in (2000-05-09),

7. 6054514 - Additives for enhancing corrosion protection of metals (2000-04-25),

8. 5595689 - Highly conductive polymer blends with intrinsically conductive polymers (1997-01-21),

9. 5290483 - Electrically conductive blends of intrinsically conductive polymers and (1994-03-01),

10. 5217649 - Electrically conductive blends of intrinsically conductive polymers and (1993-06-08),

11. 5090711 - Seal assemblies for internal mixers (1992-02-25),

12. 5056800 - Seal assembly for internal mixers (1991-10-15),

13. 4021022 - Pigment metering and mixing apparatus (1977-05-03),

Americhem is a global provider of custom color and additive solutions for the polymer industry. With over 75 years of experience, Americhem offers a wide range of products and services to help customers enhance the aesthetics and performance of their products. From color matching to performance additives, Americhem's team of experts work closely with customers to develop innovative solutions that meet their specific needs.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

13 Patents

#5 in Cuyahoga Falls, OH

#1,007 in Ohio

#23,784 in US

#44,906 in the World

Cuyahoga Falls, OH, United States of America

Americhem, Inc.

Forward Citations = 226

13 inventors:

Vaman G Kulkarni (6 out of 9 patents)

Jeffrey E Nesbitt (2 out of 4 patents)

Bernhard M Wessling (2 out of 24 patents)

4. Anton Becker (2 out of 2 patents)

5. Brian Guhde (1 out of 1 patent)

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