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For the Inventor, By the Inventor

Moelndal, Sweden

Arcam Ab


USPTO Granted Patents = 119

% Expired Patents = 3.4



Trademarks = 2

Forward Citations = 2,592

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38 inventors (with patents filed for the assignee):

goldMedal Ulf Ackelid (21 out of 24 patents)

silverMedal Anders Snis (18 out of 18 patents)

bronzeMedal Ulric Ljungblad (16 out of 26 patents)

4.  Kristofer Karlsson (14 out of 16 patents)

5.  Calle Hellestam (13 out of 13 patents)

6.  Tomas Lock (13 out of 18 patents)

7.  Mattias Fager (11 out of 11 patents)

8.  Johan Backlund (9 out of 9 patents)

9.  Morgan Larsson (9 out of 9 patents)

10.  Isak Elfstroem (6 out of 6 patents)

11.  Björn Löfving (5 out of 5 patents)

12.  Daniel Jonasson (5 out of 5 patents)

13.  Martin Wildheim (4 out of 5 patents)

14.  Christian Ekberg (3 out of 3 patents)

15.  Johan Nordkvist (3 out of 4 patents)


Core Competencies:
Electron Beam
Additive Manufacturing
Powder Layer Monitoring
Three-Dimensional Articles
Energy Beam Control
Weld Tapering
Calibration Devices
Process Chamber
Depowdering Apparatus
Thermal Management
Build Tank
Material Delivery

119 patents:

1. 12350754 - Electron beam source and the use of the same (2025-07-08),
2. 12350741 - Systems and methods for weld tapering at a trailing edge using time multiplexing (2025-07-08),
3. 12350739 - Additive manufacturing apparatuses with separable process chamber housing portions and methods of use (2025-07-08),
4. 12269092 - Apparatus and method for forming a three-dimensional article (2025-04-08),
5. 12257626 - Devices, systems, and methods for calibrating and maintaining a temperature of materials in an additive manufacturing build chamber (2025-03-25),
6. 12241735 - Method for estimating a powder layer thickness (2025-03-04),
7. 12194534 - Method for controlling an energy beam (2025-01-14),
8. 12151436 - Blast nozzles for additive manufacturing and methods for using the same (2024-11-26),
9. 12151286 - Devices, systems, and methods for calibrating and operating an additive manufacturing system having a plurality of electron beam guns (2024-11-26),
10. 12140377 - Method and device for viewing and/or illuminating a target surface in an evacuated chamber having condensable vapor therein (2024-11-12),
11. 12103079 - Method and apparatus for providing illumination in an additive manufacturing process (2024-10-01),
12. 12090552 - Method and device for additive manufacturing (2024-09-17),
13. 12036731 - Method for additive manufacturing (2024-07-16),
14. 12036730 - Method for additive manufacturing (2024-07-16),
15. 11999102 - Devices, systems, and methods for monitoring a powder layer in additive manufacturing processes (2024-06-04),
Arcam Ab, headquartered in Moelndal, Sweden, specializes in additive manufacturing technologies, particularly utilizing electron beam melting. The company focuses on the development of advanced manufacturing solutions for creating three-dimensional articles from metal powders. Key areas of expertise include powder layer monitoring, energy beam control, and calibration devices, which enhance the precision and efficiency of the additive manufacturing process. Arcam's innovations cater to various industries, including aerospace and medical, driving advancements in production capabilities.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

119 Patents

#1 in Moelndal

#68 in Sweden

#6,686 in the World

Moelndal, SE
Moelndal, Sweden

Arcam Ab

Forward Citations = 2,592

38 inventors:

goldMedal Ulf Ackelid (21 out of 24 patents)

silverMedal Anders Snis (18 out of 18 patents)

bronzeMedal Ulric Ljungblad (16 out of 26 patents)

4.  Kristofer Karlsson (14 out of 16 patents)

5.  Calle Hellestam (13 out of 13 patents)

Please report any incorrect information to [email protected]
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