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Winterthur, Switzerland

Sulzer Pumpen Ag

USPTO Granted Patents = 50

EPO Patents = 10

Trademarks = 2

Forward Citations = 278

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47 inventors (with patents filed for the assignee):

Paul Meuter (6 out of 14 patents)

Hannu Hjerppe (6 out of 7 patents)

Mark Kehoe (6 out of 6 patents)

4. Andrejas Vukovic (6 out of 6 patents)

5. Timo Salomaa (6 out of 6 patents)

6. Antti Siltavuori (6 out of 6 patents)

7. Heikki Manninen (5 out of 8 patents)

8. Jorma Tapani Lehtonen (4 out of 4 patents)

9. Juha Ottelin (3 out of 4 patents)

10. Jussi Ahlroth (3 out of 3 patents)

11. Johann Guelich (3 out of 4 patents)

12. Steven Milojevic (3 out of 3 patents)

13. Robert Rennhard (3 out of 3 patents)

14. Thomas Welschinger (2 out of 25 patents)

15. Kari Kovasin (2 out of 5 patents)

Core Competencies:

Centrifugal Pump

Submersible Mixer

Sealing Arrangement

Impeller Design

Flow Monitoring

Gas Separation

Bearing Unit

High Pressure Rotary Pump

Multi-Phase Mixtures

Pump Casing

Fluid Transport

Rotodynamic Machine

50 patents: Sort by Forward Citations

1. 10082149 - Pump, separation device for a pump, and rotor shaft for a pump (2018-09-25),

2. 9353763 - Centrifugal pump, a shaft sleeve and a stationary seal member (2016-05-31),

3. 9062686 - Sealing arrangement for a rotating shaft (2015-06-23),

4. 8939720 - Volute shaped pump casing for a centrifugal pump (2015-01-27),

5. 8858157 - Centrifugal pump having an apparatus for the removal of particles (2014-10-14),

6. 8858154 - Pump system and method for delivering multi-phase mixtures (2014-10-14),

7. D705286 - Submersible mixer (2014-05-20),

8. D699763 - Pump housing (2014-02-18),

9. D697101 - Submersible mixer (2014-01-07),

10. D696705 - Submersible mixer (2013-12-31),

11. D690751 - Submersible mixer (2013-10-01),

12. D690750 - Submersible mixer (2013-10-01),

13. D690338 - Submersible mixer (2013-09-24),

14. 8512513 - Method of and apparatus for controlling the height of a column of material in a vessel upstream of a pump (2013-08-20),

15. 8444370 - Impeller for pumps (2013-05-21),

Sulzer Pumpen AG is a leading global supplier of reliable and innovative pumping solutions. With a rich history dating back over 180 years, the company has established a strong reputation for delivering high-quality pumps and related equipment across various industries. Sulzer Pumpen AG focuses on providing customized solutions to meet the specific needs of its customers, combining advanced engineering expertise with cutting-edge technology. The company's portfolio includes a wide range of pumps for water supply and wastewater treatment, oil and gas, power generation, and many other applications. Through continuous research and development, Sulzer Pumpen AG strives to drive efficiency, sustainability, and productivity for its customers worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

50 Patents

#9 in Winterthur

#279 in Switzerland

#13,575 in the World

Winterthur, Switzerland

Sulzer Pumpen Ag

Forward Citations = 278

47 inventors:

Paul Meuter (6 out of 14 patents)

Hannu Hjerppe (6 out of 7 patents)

Mark Kehoe (6 out of 6 patents)

4. Andrejas Vukovic (6 out of 6 patents)

5. Timo Salomaa (6 out of 6 patents)

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