For the Inventor, By the Inventor

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Savannah, GA, United States of America

Lummus Corporation

USPTO Granted Patents = 18

% Expired Patents = 22.2

Trademarks = 4

Forward Citations = 61

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12 inventors (with patents filed for the assignee):

Donald William Van Doorn (10 out of 10 patents)

Mark David Cory (4 out of 7 patents)

William D Beeland (2 out of 2 patents)

4. Joe Thomas (2 out of 2 patents)

5. James Brown Hawkins (2 out of 2 patents)

6. Joseph W Thomas (1 out of 1 patent)

7. Daniel E Riggs (1 out of 1 patent)

8. Darrell Isbell (1 out of 2 patents)

9. Royce H Gerngross (1 out of 1 patent)

10. Harold Eugene Davis, Jr (1 out of 2 patents)

11. Keith Latham (1 out of 1 patent)

12. Leo Strick (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. 11473215 - Saw gin stand seed roll monitoring feature (2022-10-18),

2. 10626524 - Vortex tube blender and conditioner (2020-04-21),

3. 10156398 - Vortex tube dryer (2018-12-18),

4. 9938644 - Lint cleaner (2018-04-10),

5. 8898863 - Axial saw cotton seed reclaimer (2014-12-02),

6. 8112845 - Method and apparatus for separating foreign matter from fibrous material (2012-02-14),

7. 8091181 - Method, apparatus and system for adding moisture to cotton fibers during the cotton ginning process (2012-01-10),

8. 7987651 - Automatic bale wrapping apparatus (2011-08-02),

9. 7779514 - Method and apparatus for separating foreign matter from fibrous material (2010-08-24),

10. 7774903 - Roller gin apparatus, method and system (2010-08-17),

11. 7707692 - Control system for roller gin (2010-05-04),

12. 7614120 - Seed cleaner (2009-11-10),

13. 7481158 - Apparatus and method for baling lint cotton fibers (2009-01-27),

14. 6698066 - Method and apparatus for fiber batt treatment (2004-03-02),

15. 6449804 - Rigid cage cotton gin (2002-09-17),

Lummus Corporation, headquartered in Savannah, GA, specializes in providing technology and engineering solutions for the global energy and petrochemical industries. The company develops advanced processes and equipment that enhance efficiency and sustainability in refining and chemical production. With a focus on innovation, Lummus is involved in various research domains, including process technology, carbon capture, and renewable energy solutions, contributing to the evolution of energy production and environmental stewardship.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

18 Patents

#4 in Savannah, GA

#343 in Georgia

#17,952 in US

#34,187 in the World

Savannah, GA, United States of America

Lummus Corporation

Forward Citations = 61

12 inventors:

Donald William Van Doorn (10 out of 10 patents)

Mark David Cory (4 out of 7 patents)

William D Beeland (2 out of 2 patents)

4. Joe Thomas (2 out of 2 patents)

5. James Brown Hawkins (2 out of 2 patents)

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