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Alfa-Laval Separation Ab

USPTO Granted Patents = 47

Forward Citations = 629

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47 inventors (with patents filed for the assignee):

Torgny Lagerstedt (12 out of 34 patents)

Hans Moberg (12 out of 31 patents)

Claes Inge (12 out of 34 patents)

4. Peter Franzen (12 out of 25 patents)

5. Leonard Borgstrom (10 out of 17 patents)

6. Claes-Goran Carlsson (9 out of 16 patents)

7. Olle Nangbo (5 out of 5 patents)

8. Klaus H Stroucken (5 out of 16 patents)

9. Christer Lantz (3 out of 3 patents)

10. Otto E Hellekant (3 out of 3 patents)

11. Kjell Klintenstedt (2 out of 18 patents)

12. Eric Westberg (2 out of 12 patents)

13. Per Karlsson (2 out of 10 patents)

14. Patrik Brehmer (2 out of 4 patents)

15. George L Souter (2 out of 4 patents)

Core Competencies:

Decanter Centrifuge

Centrifugal Separator

Purification Method

Vibratory Screening

Oil Purification

Industrial Lubricants

Air Entrainment

Mechanical Seal

Wool Washing

Flow Regulation

Dosing Circuit

Vortex Fluidic Device

47 patents: Sort by Forward Citations

1. 6004255 - Decanter centrifuge (1999-12-21),

2. 5976357 - Purification of oil (1999-11-02),

3. 5896998 - Vibratory screening apparatus (1999-04-27),

4. 5876608 - Purification method (1999-03-02),

5. 5735789 - Centrifugal separator (1998-04-07),

6. 5733239 - Plant for freeing a liquid from a substance dispersed therein and having (1998-03-31),

7. 5720705 - Method for freeing a liquid from a substance dispersed therein and (1998-02-24),

8. 5709643 - Centrifugal separator for entraining a separated liquid with minimal air (1998-01-20),

9. 5615776 - Mounting & tensioning arrangements for screens (1997-04-01),

10. 5611919 - Purification of industrial lubricating agents (1997-03-18),

11. 5599271 - Method of regulating the outlet flow of a liquid separated in a (1997-02-04),

12. 5518494 - Centrifugal separator with air entrainment suppression (1996-05-21),

13. 5405307 - Centrifugal separator with a paring device (1995-04-11),

14. 5362292 - Centrifugal separator (1994-11-08),

15. D335294 - Centrifugal separator (1993-05-04),

Alfa-Laval Separation Ab, based in Tumba, Sweden, specializes in advanced separation technologies, focusing on decanter centrifuges and centrifugal separators. The company is recognized for its innovative solutions in oil purification and industrial lubricants, enhancing efficiency across various industries. Additionally, Alfa-Laval develops vibratory screening apparatus and systems for air entrainment suppression, contributing to kinetic energy transformation and mechanical seal applications. Their expertise supports a wide range of industrial processes, emphasizing sustainability and performance.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

Alfa-Laval Separation Ab

47 Patents

#4 in Tumba

#146 in Sweden

#14,803 in the World

Alfa-Laval Separation Ab

Forward Citations = 629

47 inventors:

Torgny Lagerstedt (12 out of 34 patents)

Hans Moberg (12 out of 31 patents)

Claes Inge (12 out of 34 patents)

4. Peter Franzen (12 out of 25 patents)

5. Leonard Borgstrom (10 out of 17 patents)

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