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For the Inventor, By the Inventor

Karlskoga, Sweden

Bofors Defence Ab


USPTO Granted Patents = 19

% Expired Patents = 78.9


Forward Citations = 164

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19 inventors (with patents filed for the assignee):

goldMedal Ulf Hellman (5 out of 10 patents)

silverMedal Torsten Ronn (5 out of 13 patents)

bronzeMedal Nils Johansson (3 out of 12 patents)

4.  Lennart Gustavsson (2 out of 7 patents)

5.  Ola Stark (2 out of 5 patents)

6.  Stig Johnsson (2 out of 9 patents)

7.  Ulf Holmqvist (2 out of 4 patents)

8.  Jan Axinger (1 out of 8 patents)

9.  Ulf Palmlöv (1 out of 4 patents)

10.  Torsten Rönn (1 out of 6 patents)

11.  Hans-Gunnar Larsson (1 out of 1 patent)

12.  Rolf Persson (1 out of 4 patents)

13.  Jörgen Bergmark (1 out of 5 patents)

14.  Jan Fixell (1 out of 2 patents)

15.  Torsten Wik (1 out of 3 patents)


19 patents:

1. 8689669 - Method of producing warheads containing explosives (2014-04-08),
2. 7698986 - Weapon sight (2010-04-20),
3. 7610856 - Caseless, complete round and also a method of manufacturing such a caseless, complete round (2009-11-03),
4. 7581499 - Insulated cartridge case and ammunition, method for manufacturing such cases and ammunition, and use of such cases and ammunition in various different weapon systems (2009-09-01),
5. 7213517 - Device for a proximity-fuzed unit ammunition (2007-05-08),
6. 7004075 - Device with selectable units that are fired or launched (2006-02-28),
7. 6966265 - Unit of ammunition with one or more warhead casings (2005-11-22),
8. 6957609 - Method and device for dispersing submunitions (2005-10-25),
9. 6926228 - Method and arrangement for extending the range of fire of a fin-stabilized artillery missile (2005-08-09),
10. 6899032 - Device to enable targets to be combated by a shaped charge function (2005-05-31),
11. 6886775 - Fin-stabilized shell (2005-05-03),
12. 6880468 - Artillery shell and method of firing thereof (2005-04-19),
13. 6796525 - Fin-stabilized guidable missile (2004-09-28),
14. 6779754 - Fin-stabilized artillery shell (2004-08-24),
15. 6748871 - Guided artillery missile with extremely long range (2004-06-15),
Company Overview
Bofors Defence Ab, based in Karlskoga, Sweden, specializes in advanced defense systems and military technology. The company focuses on the development and manufacturing of artillery systems, ammunition, and related equipment, catering to both national and international defense needs. With a strong emphasis on innovation, Bofors Defence Ab integrates cutting-edge technology into its products, enhancing operational capabilities for armed forces. The organization is committed to delivering reliable and effective solutions in the defense sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

19 Patents

#3 in Karlskoga

#343 in Sweden

#32,623 in the World

Karlskoga, SE
Karlskoga, Sweden

Bofors Defence Ab

Forward Citations = 164

19 inventors:

goldMedal Ulf Hellman (5 out of 10 patents)

silverMedal Torsten Ronn (5 out of 13 patents)

bronzeMedal Nils Johansson (3 out of 12 patents)

4.  Lennart Gustavsson (2 out of 7 patents)

5.  Ola Stark (2 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Bofors Defence Ab. Retrieved from https://idiyas.com/company/bofors-defence-ab

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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