For the Inventor, By the Inventor

Enter assignee name

Delaware, OH, United States of America

Greif Bros. Corporation

USPTO Granted Patents = 37

CIPO Patents = 1

Trademarks = 4

Forward Citations = 587

Loading Chart...

Loading Chart...

24 inventors (with patents filed for the assignee):

James A Hale (8 out of 11 patents)

Cesar Santoni (7 out of 8 patents)

Robert A Dubois (7 out of 8 patents)

4. Rex E Wagers (3 out of 4 patents)

5. Herbert L Carpenter, Jr (3 out of 4 patents)

6. Günter Richter (2 out of 2 patents)

7. Thomas Seick (2 out of 2 patents)

8. Elmer J Desher (2 out of 2 patents)

9. William H Gushard (2 out of 2 patents)

10. George F Smith (2 out of 3 patents)

11. Robert H Reese (2 out of 2 patents)

12. Gerhardt Facko (2 out of 2 patents)

13. George C Boyse (1 out of 9 patents)

14. Lowell George Watson (1 out of 3 patents)

15. Richard S Colombero (1 out of 1 patent)

Core Competencies:

Plastic Drum

Recyclable Steel Drum

Collapsible Bulk Container

Fiber Drum

Thermal Container

Drum Locking Assembly

Identification Tag

Drain Sump

Manufacturing Methods

Vented Closure

Reusable Metal Drum

Nesting Drums

37 patents: Sort by Forward Citations

1. 6764639 - Drum-like container out of plastic and process and device for its production (2004-07-20),

2. 6308830 - Device for protecting large-volume receptacle and method for the production thereof (2001-10-30),

3. 6170224 - Multi-panel hollow door structures and manufacturing methods employing paperboard cores (2001-01-09),

4. 5743422 - Collapsible bulk container and method of making the same (1998-04-28),

5. 5702786 - Process for preparing thermoplastic polyolefin resin articles of reduced (1997-12-30),

6. 5544777 - Stackable plastic container with drain sump and pallet and method of (1996-08-13),

7. 5503701 - Method for providing recyclable steel drum for hot flow products (1996-04-02),

8. 5465863 - Recyclable steel drum for hot flow products (1995-11-14),

9. 5320243 - Reusable metal drum (1994-06-14),

10. 5301853 - Open top plastic drum with plastic cover (1994-04-12),

11. 5273181 - Plastic drum with drain sump and method of making the same (1993-12-28),

12. 5258086 - Reusable recycable fiber drum (1993-11-02),

13. 5244108 - Collapsibile bulk container and method of making the same (1993-09-14),

14. 5236122 - Pilfer proof container (1993-08-17),

15. 5232117 - Reusable metal drum (1993-08-03),

Company Overview

Greif Bros. Corporation is a global leader in industrial packaging solutions, specializing in the production of containers and packaging products for various sectors, including chemicals, food, and pharmaceuticals. The company is known for its innovative approach to packaging, focusing on sustainability and efficiency in its manufacturing processes. With a strong presence in North America and beyond, Greif is committed to providing high-quality products that meet the evolving needs of its diverse customer base.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

37 Patents

#3 in Delaware, OH

#394 in Ohio

#9,262 in US

#18,281 in the World

Delaware, OH, United States of America

Greif Bros. Corporation

Forward Citations = 587

24 inventors:

James A Hale (8 out of 11 patents)

Cesar Santoni (7 out of 8 patents)

Robert A Dubois (7 out of 8 patents)

4. Rex E Wagers (3 out of 4 patents)

5. Herbert L Carpenter, Jr (3 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Greif Bros. Corporation. Retrieved from https://idiyas.com/company/greif-bros

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…