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Saint Paul, MN, United States of America

Waldorf Corporation

Calculating rank

USPTO Granted Patents = 42

Forward Citations = 1,060

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26 inventors (with patents filed for the assignee):

Harry I Roccaforte (14 out of 94 patents)

Duane R Mode (5 out of 18 patents)

Herbert L Lambert (3 out of 5 patents)

4. Raymond A Cote (3 out of 7 patents)

5. Thomas J Brink (3 out of 3 patents)

6. Jack B Keable (3 out of 3 patents)

7. Daniel J Boyle (2 out of 19 patents)

8. Sherry M Weaver (2 out of 3 patents)

9. Robert L Allen (2 out of 8 patents)

10. George P Webinger (2 out of 26 patents)

11. Alan John Linder (1 out of 7 patents)

12. Billy R Stroud (1 out of 2 patents)

13. Daniel P Dutcher (1 out of 1 patent)

14. Norman M Scott Russell (1 out of 1 patent)

15. William B Bicksler, Iii (1 out of 1 patent)

Core Competencies:

Recloseable Carton

Microwave Cooking Package

Tamper-Evident Design

Dispensing Carton

Double Stick Tape

Convertible Envelope

Sift Proof Spout

Strengthening Strut

Material Collecting Apparatus

Pre-Glued Tray

Food Package

Multi-Use Envelope

42 patents: Sort by Forward Citations

1. 5562309 - Print folder with pre-applied double stick tape (1996-10-08),

2. 5503328 - Multi-use envelope (1996-04-02),

3. 5472136 - Carton with handle and deflection regions (1995-12-05),

4. 5445316 - Sift proof and tamper evident pouring spout (1995-08-29),

5. 5439101 - Convertible envelope (1995-08-08),

6. 5407230 - Print folder (1995-04-18),

7. 5337951 - Sturdy sandwich carton (1994-08-16),

8. 5333781 - Recloseable carton with pouring spout (1994-08-02),

9. 5322215 - Flip-top carton with reclosable lip (1994-06-21),

10. 5307987 - Hooded carton (1994-05-03),

11. 5287586 - Material collecting/removal apparatus (1994-02-22),

12. 5263633 - Display carton and blank therefor (1993-11-23),

13. 5215250 - Carton with improved pouring spout (1993-06-01),

14. 5213255 - Opening structure for wedge-shaped pie carton (1993-05-25),

15. 5205480 - Recloseable carton with pouring spout (1993-04-27),

Company Overview

Waldorf Corporation, based in Saint Paul, MN, specializes in innovative packaging solutions that enhance product safety and convenience. The company focuses on developing recloseable cartons, tamper evident packaging, and multi-use envelopes, catering to various sectors including food packaging. With expertise in carton design and dispensing solutions, Waldorf Corporation aims to meet the evolving needs of consumers and businesses alike, ensuring quality and functionality in their packaging products.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

42 Patents

#32 in Saint Paul, MN

#236 in Minnesota

#8,273 in US

#16,388 in the World

Saint Paul, MN, United States of America

Waldorf Corporation

Forward Citations = 1,060

26 inventors:

Harry I Roccaforte (14 out of 94 patents)

Duane R Mode (5 out of 18 patents)

Herbert L Lambert (3 out of 5 patents)

4. Raymond A Cote (3 out of 7 patents)

5. Thomas J Brink (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Waldorf Corporation. Retrieved from https://idiyas.com/company/waldorf

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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