logo

For the Inventor, By the Inventor

Rogers, MN, United States of America

Ultra Pac, Inc.


USPTO Granted Patents = 42


Trademarks = 1

Forward Citations = 1,855

Loading Chart...
Loading Chart...

9 inventors (with patents filed for the assignee):

goldMedal Calvin S Krupa (37 out of 46 patents)

silverMedal Robert Knoss (18 out of 24 patents)

bronzeMedal Steven R Anderson (2 out of 2 patents)

4.  Jeffrey M Smith (2 out of 2 patents)

5.  Cal Krupa (2 out of 2 patents)

6.  Timothy Henry Kuitems (1 out of 2 patents)

7.  Richard F Smith (1 out of 2 patents)

8.  Judie K Smith (1 out of 1 patent)

9.  Clavin S Krupa (1 out of 1 patent)

10.  Robert A Knoss (1 patent)


Core Competencies:
Vegetable Container
Food Container
Berry Box
Clamshell Package
Egg Carton
Snack Food Container
Hinged Lid
Tray for Baked Goods
Storage Container
Fruit Clamshell
Cake Container
Pastry Package

42 patents:

1. D421695 - Vegetable container (2000-03-21),
2. 5887713 - Holder for compact discs (1999-03-30),
3. D395985 - Food container (1998-07-14),
4. D395796 - Food container (1998-07-07),
5. D394807 - Chicken container (1998-06-02),
6. D391850 - Pie container (1998-03-10),
7. 5685427 - Holder for removably supporting a compact disk (1997-11-11),
8. D385784 - Fruit container (1997-11-04),
9. D385780 - Egg carton (1997-11-04),
10. 5653345 - Fruit box (1997-08-05),
11. D380381 - Fruit container (1997-07-01),
12. D379300 - Fruit container (1997-05-20),
13. D378192 - Stackable berry container with hinged lid (1997-02-25),
14. D377450 - Stackable berry container with hinged lid (1997-01-21),
15. 5590805 - Fruit box (1997-01-07),
Company Overview
Ultra Pac, Inc., based in Rogers, MN, specializes in innovative food packaging solutions designed to enhance product presentation and preservation. The company focuses on advanced container design, including hinged lid technology and stackable containers, catering to various sectors such as fresh produce and baked goods. Their product range includes berry boxes, fruit containers, cake packaging, and snack containers, emphasizing functionality and sustainability in food packaging applications.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

42 Patents

#1 in Rogers, MN

#235 in Minnesota

#8,253 in US

#16,338 in the World

Rogers, MN (US)
Rogers, MN, United States of America

Ultra Pac, Inc.

Forward Citations = 1,855

9 inventors:

goldMedal Calvin S Krupa (37 out of 46 patents)

silverMedal Robert Knoss (18 out of 24 patents)

bronzeMedal Steven R Anderson (2 out of 2 patents)

4.  Jeffrey M Smith (2 out of 2 patents)

5.  Cal Krupa (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ultra Pac, Inc.. Retrieved from https://idiyas.com/company/ultra-pac

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]
Loading…