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For the Inventor, By the Inventor

Winterthur, Switzerland

Sulzer Pumpen Ag


USPTO Granted Patents = 50

% Expired Patents = 12.0


Trademarks = 1

Forward Citations = 284

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44 inventors (with patents filed for the assignee):

goldMedal Paul Meuter (6 out of 14 patents)

silverMedal Hannu Hjerppe (6 out of 7 patents)

bronzeMedal 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
Sealing Arrangement
Multi-Phase Mixtures
Pump Housing
Submersible Mixer
Impeller
Flow Machine
Bearing Unit
High Pressure Rotary Pump
Gas Separation Apparatus
Control System

50 patents:

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),
Company Overview
Sulzer Pumpen AG, headquartered in Winterthur, Switzerland, specializes in the development and manufacturing of centrifugal pumps and related technologies. The company focuses on innovative solutions for various applications, including multi-phase mixtures and submersible mixers, enhancing efficiency and reliability in fluid handling. With expertise in sealing arrangements, pump housing, impellers, and bearing units, Sulzer is committed to advancing pump technology to meet the evolving needs of industries worldwide.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

Sulzer Pumpen Ag USPTO Patent Assignee Logo
50 Patents

#8 in Winterthur

#295 in Switzerland

#13,996 in the World

Winterthur, CH
Winterthur, Switzerland

Sulzer Pumpen Ag

Forward Citations = 284

44 inventors:

goldMedal Paul Meuter (6 out of 14 patents)

silverMedal Hannu Hjerppe (6 out of 7 patents)

bronzeMedal Mark Kehoe (6 out of 6 patents)

4.  Andrejas Vukovic (6 out of 6 patents)

5.  Timo Salomaa (6 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sulzer Pumpen Ag. Retrieved from https://idiyas.com/company/sulzer-pumpen-ag

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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