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Alfa Laval Corporation Ab

USPTO Granted Patents = 207

% Expired Patents = 3.4

CIPO Patents = 1

EPO Patents = 3

Trademarks = 7

Forward Citations = 2,558

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232 inventors (with patents filed for the assignee):

Ralf Erik Blomgren (14 out of 45 patents)

Hans Moberg (10 out of 31 patents)

Stefan Szepessy (10 out of 21 patents)

4. Klaus H Stroucken (10 out of 16 patents)

5. Torgny Lagerstedt (8 out of 34 patents)

6. Claes Inge (8 out of 34 patents)

7. Lars K Ehnstrom (8 out of 12 patents)

8. Anders Ma Hillstrom (6 out of 6 patents)

9. Karl E Olander (6 out of 6 patents)

10. Kjell Klintenstedt (5 out of 18 patents)

11. Leonard Borgstrom (5 out of 17 patents)

12. Peter Sjoberg (5 out of 5 patents)

13. Peter Franzen (5 out of 25 patents)

14. Robert M Sandblom (5 out of 8 patents)

15. Mats Nilsson (4 out of 8 patents)

Core Competencies:

Centrifugal Separator

Heat Exchanger

Gas Cleaning

Liquid Separation

Sealing Device

Drive Unit

Vacuum Vessel

Interface Control

Fatty Oil Treatment

Pressure Supply

Separation Discs

Outlet Valve

207 patents: Sort by Forward Citations

1. 7070553 - Method and arrangement to rapidly lower the rotary speed of a centrifugal separator (2006-07-04),

2. 6976948 - Method for adjusting a radial level of an interface in a centrifugal separator (2005-12-20),

3. 6955637 - Separation device having a centrifugal rotor (2005-10-18),

4. 6926076 - Plate heat exchanger (2005-08-09),

5. 6837842 - Method and device for indicating an undesired operation condition of a centrifugal separator (2005-01-04),

6. 6821319 - Method and an apparatus for cleaning of gas (2004-11-23),

7. 6802804 - Method and a device for separation of a surface layer of a liquid body (2004-10-12),

8. 6751951 - Method and plant for cleaning of gases from a combustion engine (2004-06-22),

9. 6716153 - Centrifugal separator for separating solids from a liquid mixture centrally fed through a gear device (2004-04-06),

10. 6712751 - Centrifugal separator for separating solids from a liquid mixture centrally fed through a gear device (2004-03-30),

11. 6676131 - Sealing ring for a centrifugal separator (2004-01-13),

12. 6676047 - Double sealing valve (2004-01-13),

13. 6662862 - Plate heat exchanger (2003-12-16),

14. 6644391 - Spiral heat exchanger (2003-11-11),

15. 6626814 - Drive unit for a centrifuge rotor of a centrifugal separator (2003-09-30),

Alfa Laval Corporation Ab, headquartered in Tumba, Sweden, specializes in advanced technologies for centrifugal separation and heat exchange. The company develops a range of innovative solutions including centrifugal separators, heat exchangers, and gas cleaning systems, catering to various industries such as food, energy, and water treatment. With a strong focus on liquid separation and interface control technologies, Alfa Laval is committed to enhancing efficiency and sustainability in industrial processes globally.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Alfa Laval Corporation Ab

207 Patents

#2 in Tumba

#40 in Sweden

#4,104 in the World

Alfa Laval Corporation Ab

Forward Citations = 2,558

232 inventors:

Ralf Erik Blomgren (14 out of 45 patents)

Hans Moberg (10 out of 31 patents)

Stefan Szepessy (10 out of 21 patents)

4. Klaus H Stroucken (10 out of 16 patents)

5. Torgny Lagerstedt (8 out of 34 patents)

Please report any incorrect information to [email protected]

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