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For the Inventor, By the Inventor

Downingtown, PA, United States of America

Dopaco, Inc.

Calculating rank
USPTO Granted Patents = 63

% Expired Patents = 4.8


Trademarks = 1

Forward Citations = 1,536

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17 inventors (with patents filed for the assignee):

goldMedal Liming Cai (27 out of 30 patents)

silverMedal Larry Eisman (13 out of 13 patents)

bronzeMedal 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 31 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 Container
Clamshell Design
Insulating Sleeve
Flexible Hinge
Cup Carrier
Condiment Compartment
Stackable Tray
Cylindrical Carton
Lockable Container
Promotional Material
Multi-Compartment
Food Scoop

63 patents:

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),
Company Overview
Dopaco, Inc. is a prominent player in the food packaging industry, headquartered in Downingtown, Pennsylvania. The company specializes in the design and manufacture of innovative packaging solutions, including food containers and clamshell designs. Their expertise extends to creating insulating sleeves, flexible hinges, cup carriers, condiment compartments, stackable trays, and cylindrical cartons. Dopaco is committed to enhancing food presentation and convenience, focusing on functional and sustainable packaging that meets the evolving needs of the food service sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Dopaco, Inc. USPTO Patent Assignee Logo
63 Patents

#1 in Downingtown, PA

#217 in Pennsylvania

#5,768 in US

#11,642 in the World

Downingtown, PA (US)
Downingtown, PA, United States of America

Dopaco, Inc.

Forward Citations = 1,536

17 inventors:

goldMedal Liming Cai (27 out of 30 patents)

silverMedal Larry Eisman (13 out of 13 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dopaco, Inc.. Retrieved from https://idiyas.com/company/dopaco

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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