For the Inventor, By the Inventor

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Durham, NC, United States of America

Liggett Group Inc.

USPTO Granted Patents = 36

Trademarks = 13

Forward Citations = 495

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20 inventors (with patents filed for the assignee):

Floyd V Hall (19 out of 22 patents)

Vello Norman (5 out of 8 patents)

Herman G Bryant, Jr (5 out of 6 patents)

4. Andrew G Kallianos (3 out of 5 patents)

5. Everett W Southwick (2 out of 17 patents)

6. Ned A Sigmon (2 out of 3 patents)

7. Melvyn Irving Simpson (2 out of 2 patents)

8. Thomas B Williams (2 out of 2 patents)

9. Donald A Calleson (2 out of 2 patents)

10. Charles M Moogalian (1 out of 1 patent)

11. Floyd Van Hall (1 out of 1 patent)

12. Robert G Honeycutt (1 out of 1 patent)

13. James F Bullock (1 out of 1 patent)

14. Henry Moore (1 out of 1 patent)

15. Peter F Collins (1 out of 1 patent)

Core Competencies:

Tobacco Composition

Cigarette Filter

Glue Transfer Apparatus

Aeration Groove Filter

Flavorants

Smoke Dilution

Cigarette Making

Vacuum Plug Feed Machine

Pocket-Type Charcoal Filter

Hollow Filter Rod

Dispensing Wheel

Particulate Compacting

36 patents: Sort by Forward Citations

1. 4434805 - Applicator for applying glue to a travelling stream of tipping paper (1984-03-06),

2. 4425107 - Rotatable dispensing wheel (1984-01-10),

3. 4411640 - Apparatus for the production of cigarette filter tips having (1983-10-25),

4. 4385536 - Apparatus for forming an aeration groove in a filter (1983-05-31),

5. 4371558 - Semi-moist dog food preparation (1983-02-01),

6. 4369796 - Method and apparatus for forming an air dilution filter (1983-01-25),

7. 4361156 - Method and applicator for applying glue to a travelling stream of (1982-11-30),

8. 4332823 - Fabricated meat and meat by-products and process (1982-06-01),

9. 4319585 - 7-Methyl-1,2-benzopyrone as a tobacco flavorant (1982-03-16),

10. 4257430 - Tobacco composition including palladium (1981-03-24),

11. 4252527 - Glue transfer apparatus for cigarette filters (1981-02-24),

12. 4248251 - Tobacco composition (1981-02-03),

13. 4235251 - Stability of tobacco casing systems containing palladium (1980-11-25),

14. 4232574 - Apparatus and method for providing a cigarette filter with an aeration (1980-11-11),

15. 4219030 - Aeration groove filter (1980-08-26),

Company Overview

Liggett Group Inc., headquartered in Durham, NC, is a prominent player in the tobacco industry, specializing in the development and manufacturing of a diverse range of tobacco products. The company is known for its commitment to innovation in product formulation and consumer preferences, focusing on delivering quality offerings in the competitive market. Liggett Group's operations are primarily centered in the United States, where it navigates the complexities of regulatory environments while striving to meet evolving consumer demands.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

36 Patents

#31 in Durham, NC

#225 in North Carolina

#9,509 in US

#18,730 in the World

Durham, NC, United States of America

Liggett Group Inc.

Forward Citations = 495

20 inventors:

Floyd V Hall (19 out of 22 patents)

Vello Norman (5 out of 8 patents)

Herman G Bryant, Jr (5 out of 6 patents)

4. Andrew G Kallianos (3 out of 5 patents)

5. Everett W Southwick (2 out of 17 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Liggett Group Inc.. Retrieved from https://idiyas.com/company/liggett-group

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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