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For the Inventor, By the Inventor

Eskilstuna, Sweden

Assa Ab

Calculating rank
USPTO Granted Patents = 29

% Expired Patents = 17.2



Trademarks = 3

Forward Citations = 383

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22 inventors (with patents filed for the assignee):

goldMedal Daniel Andersson (6 out of 9 patents)

silverMedal Åke Häggström (4 out of 4 patents)

bronzeMedal Lars Wallden (3 out of 3 patents)

4.  Ake Haggstrom (2 out of 2 patents)

5.  Robert Fredriksson (2 out of 3 patents)

6.  Johan Widen (2 out of 2 patents)

7.  Bjorn Rubensson (2 out of 3 patents)

8.  Lars O Urby (2 out of 2 patents)

9.  Mattias Widerstedt (2 out of 2 patents)

10.  Hanna Ydremark (2 out of 2 patents)

11.  Elisabet Broms (2 out of 2 patents)

12.  Björn Larsson (1 out of 44 patents)

13.  Kjell Eriksson (1 out of 2 patents)

14.  Jonas Herrmann (1 out of 3 patents)

15.  Rolandh Jonsson (1 out of 1 patent)


Core Competencies:
Electromechanical Lock
Cylinder Lock
Coin Lock
Remote Key
Key Safekeeping Device
Removable Core
Locking Device
Key Head
Key Bit
Lock Arrangement
Card Lock
Profiled Disc

29 patents:

1. 9279273 - Lock (2016-03-08),
2. 8544303 - Electromechanical lock device (2013-10-01),
3. 8534102 - Electromechanical lock device (2013-09-17),
4. 8096399 - Coin lock (2012-01-17),
5. 7918115 - Removable core lock device (2011-04-05),
6. 7870769 - Electromechanical lock device (2011-01-18),
7. D557111 - Remote key (2007-12-11),
8. D548570 - Key head (2007-08-14),
9. 6823702 - Cylinder lock-key combination (2004-11-30),
10. 6755060 - Method and device for fastening a lock body (2004-06-29),
11. 6729167 - Key safekeeping device (2004-05-04),
12. 6718807 - Lock device with removable core (2004-04-13),
13. 6634197 - Lock device with removable core (2003-10-21),
14. 6529384 - Card lock (2003-03-04),
15. D463249 - Key bit (2002-09-25),
Company Overview
Assa Ab, headquartered in Eskilstuna, Sweden, is a prominent player in the security solutions sector, specializing in advanced locking systems and access control technologies. The company focuses on developing innovative products that enhance safety and security for both residential and commercial applications. With a commitment to research and development, Assa Ab integrates cutting-edge technology into its offerings, ensuring reliable and efficient security solutions that meet the evolving needs of its customers globally.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Assa Ab USPTO Patent Assignee Logo
29 Patents

#3 in Eskilstuna

#231 in Sweden

#22,581 in the World

Eskilstuna, SE
Eskilstuna, Sweden

Assa Ab

Forward Citations = 383

22 inventors:

goldMedal Daniel Andersson (6 out of 9 patents)

silverMedal Åke Häggström (4 out of 4 patents)

bronzeMedal Lars Wallden (3 out of 3 patents)

4.  Ake Haggstrom (2 out of 2 patents)

5.  Robert Fredriksson (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Assa Ab. Retrieved from https://idiyas.com/company/assa-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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