For the Inventor, By the Inventor

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Exton, PA, United States of America

Dopaco, Inc.

USPTO Granted Patents = 63

CIPO Patents = 4

Trademarks = 1

Forward Citations = 1,455

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18 inventors (with patents filed for the assignee):

Liming Cai (27 out of 30 patents)

Larry Eisman (13 out of 13 patents)

Simon Whitnell (10 out of 10 patents)

4. James A Yocum (9 out of 9 patents)

5. Joel B Corder (3 out of 3 patents)

6. Michael G Bodary (2 out of 3 patents)

7. Angela Elizabeth Learn (2 out of 28 patents)

8. Frank DiMarzio (2 out of 2 patents)

9. Chris T Bruch (1 out of 2 patents)

10. Deanna Dixon Sievers (1 out of 1 patent)

11. Frank Sabo (1 out of 1 patent)

12. Gina Polsin (1 out of 1 patent)

13. Karl F Schultheiss (1 out of 1 patent)

14. David Mitman (1 out of 1 patent)

15. Randy Long (1 out of 1 patent)

Core Competencies:

Food Containers

Clamshell Design

Cup Carriers

Insulating Sleeves

Condiment Compartments

Lockable Containers

Promotional Cartons

Flexible Hinges

Stackable Trays

Partitioned Meal Trays

Cylindrical Cartons

Convertible Containers

63 patents: Sort by Forward Citations

1. 8733622 - Blank and container having an anti-buckling mechanism (2014-05-27),

2. 8113379 - Hot cup lid (2012-02-14),

3. D631340 - Flexible hinge food service container (2011-01-25),

4. 7753224 - Cup lid with slide closure (2010-07-13),

5. 7631800 - Clamshell food container with sauce holder and carton blank therefor (2009-12-15),

6. 7232054 - Carton structure and sheet material product with indicia keys (2007-06-19),

7. 7182242 - Food container for use with a beverage receptacle (2007-02-27),

8. D519830 - Clamshell food service container (2006-05-02),

9. 6719190 - Food carton having cylindrical lower portion (2004-04-13),

10. 6588652 - Food tray with condiment compartment (2003-07-08),

11. 6561414 - Food scoop with sealed base (2003-05-13),

12. 6543679 - Stackable food tray with condiment compartment (2003-04-08),

13. 6471119 - Food scoop with condiment holder (2002-10-29),

14. 6349875 - Container having an improved hinge (2002-02-26),

15. D453533 - Coupon for a carton (2002-02-13),

Dopaco, Inc. is a leading provider of paperboard packaging solutions for the foodservice and consumer packaged goods industries. With a history dating back to 1908, Dopaco has built a strong reputation for delivering high-quality products and excellent customer service. The company specializes in manufacturing disposable cups, food containers, and other packaging solutions made from renewable materials. Dopaco's commitment to sustainability is evident in their use of eco-friendly materials and their efforts to minimize waste and reduce their carbon footprint. With a focus on innovation, quality, and sustainability, Dopaco continues to be a trusted partner for businesses seeking reliable and sustainable packaging solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

63 Patents

#7 in Exton, PA

#218 in Pennsylvania

#5,526 in US

#11,184 in the World

Exton, PA, United States of America

Dopaco, Inc.

Forward Citations = 1,455

18 inventors:

Liming Cai (27 out of 30 patents)

Larry Eisman (13 out of 13 patents)

Simon Whitnell (10 out of 10 patents)

4. James A Yocum (9 out of 9 patents)

5. Joel B Corder (3 out of 3 patents)

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