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Aktiebolaget Draco

USPTO Granted Patents = 40

Forward Citations = 1,870

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35 inventors (with patents filed for the assignee):

Kjell I Wetterlin (15 out of 17 patents)

Per G Kjellin (7 out of 8 patents)

Carl G Persson (6 out of 7 patents)

4. Bror Arne Thalen (5 out of 8 patents)

5. Risto K Virtanen (5 out of 16 patents)

6. Ralph Lennart Brattsand (4 out of 11 patents)

7. Jan W Trofast (4 out of 23 patents)

8. Bengt I Axelsson (4 out of 8 patents)

9. Nils F Moren (4 out of 4 patents)

10. Paul H Andersson (3 out of 3 patents)

11. Per T Andersson (3 out of 3 patents)

12. Jan A Andersson (3 out of 3 patents)

13. O A Olsson (3 out of 3 patents)

14. Jan Ulmius (2 out of 3 patents)

15. Leif ANGke Svensson (2 out of 4 patents)

Core Competencies:

Aerosol Inhalation Device

Dosage Inhalator

Bronchospasmolytic Compounds

Pharmaceutical Composition

Cysteine Derivatives

Liposomes

Xanthine Derivatives

Chronic Obstructive Treatment

40 patents: Sort by Forward Citations

1. 6423340 - Method for the treatment of inflammatory bowel diseases (2002-07-23),

2. 5350768 - Derivatives of cysteine (1994-09-27),

3. 5350767 - Derivatives of cysteine (1994-09-27),

4. 5331953 - Device in connection with an inhaler (1994-07-26),

5. 5215979 - 16,17-acetalsubstituted pregnane 21-oic acid derivatives (1993-06-01),

6. 4950659 - 16,17-acetalsubstituted androstane-17.beta.-carboxylic acid esters (1990-08-21),

7. 4907583 - Device in powder inhalators (1990-03-13),

8. 4820700 - Novel androstane-17.beta.-carboxylic acid esters, a process and (1989-04-11),

9. 4805811 - Dosage device (1989-02-21),

10. 4804664 - Method and pharmaceutical preparation for treating chronic obstructive (1989-02-14),

11. 4804656 - Novel androstane-17.beta.-carboxylic acid esters (1989-02-14),

12. 4787536 - Dosage package (1988-11-29),

13. 4777255 - Process for preparing a purine derivative (1988-10-11),

14. 4693999 - Liposomes containing steroid esters (1987-09-15),

15. 4668218 - Indicating means for a dosage dispensing device (1987-05-26),

Company Overview

Aktiebolaget Draco, based in Lund, Sweden, specializes in the development and manufacturing of innovative therapeutic solutions targeting inflammatory bowel diseases. The company focuses on a range of core technologies, including cysteine derivatives and various inhalation devices, aimed at enhancing respiratory health. With expertise in bronchospasmolytics and aerosol inhalation, Draco is committed to advancing treatment options through research in pharmacological compounds such as pregnane and androstane derivatives, as well as xanthine derivatives.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

40 Patents

#14 in Lund

#177 in Sweden

#17,087 in the World

Aktiebolaget Draco

Forward Citations = 1,870

35 inventors:

Kjell I Wetterlin (15 out of 17 patents)

Per G Kjellin (7 out of 8 patents)

Carl G Persson (6 out of 7 patents)

4. Bror Arne Thalen (5 out of 8 patents)

5. Risto K Virtanen (5 out of 16 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Aktiebolaget Draco. Retrieved from https://idiyas.com/company/aktiebolaget-draco

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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