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Winterthur, Switzerland

Sulzer Management Ag

USPTO Granted Patents = 183

% Expired Patents = 9.8

CIPO Patents = 4

EPO Patents = 168

Trademarks = 64

Forward Citations = 185

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203 inventors (with patents filed for the assignee):

Thomas Welschinger (23 out of 25 patents)

Karel De Raeve (11 out of 11 patents)

Matti Koivikko (10 out of 10 patents)

4. Sami Virtanen (10 out of 10 patents)

5. Robin Rettberg (9 out of 9 patents)

6. Simon Gassmann (8 out of 8 patents)

7. Reijo Vesala (8 out of 27 patents)

8. Paul Meuter (8 out of 14 patents)

9. Erik Blechingberg (7 out of 7 patents)

10. Manfred Stepanski (7 out of 15 patents)

11. Teemu Gasman (7 out of 7 patents)

12. Nikolai Nesterenko (6 out of 87 patents)

13. Mikael Andersson (6 out of 13 patents)

14. Joseph C Gentry (6 out of 31 patents)

15. Thomas Felix (6 out of 6 patents)

Core Competencies:

Centrifugal Pump

Multistage Pump

Rotary Machine

Fluid Conveying

Mechanical Sealing

Energy Storage

3D Printing

Mass Transfer

Wastewater Treatment

Hydrocarbon Processing

Heat Exchanger

Separation Device

183 patents: Sort by Forward Citations

1. 12752216 - Heat integration via heat pump on bottom dividing wall column (2026-10-06),

2. 12742477 - Lubrication ring for transporting lubricant (2026-09-22),

3. 12710059 - DETUNING DEVICE AND METHOD (2026-08-18),

4. 12710048 - CENTRIFUGAL PUMP (2026-08-18),

5. 12692868 - Multistage centrifugal pump (2026-07-28),

6. 12624709 - Rotary pressure exchanger (2026-05-12),

7. 12611815 - 3D printing system for preparing a three-dimensional object with an autoclave (2026-04-28),

8. 12516674 - Multi-stage centrifugal pump comprising an assembly for compensating axial forces (2026-01-06),

9. 12480494 - Multistage centrifugal pump for pumping fluid, an impeller/ shaft assembly and a method for assembling an impeller/ shaft assembly (2025-11-25),

10. 12442392 - Rotary pressure exchanger (2025-10-14),

11. 12429062 - Pump arrangement for pumping barrier liquid and a mechanical shaft seal (2025-09-30),

12. 12384736 - Process and plant for preparing purified benzene composition from crude hydrocarbon stream containing benzene (2025-08-12),

13. 12366416 - Structured packing bed for high pressure mass transfer and/or heat exchange applications (2025-07-22),

14. 12338215 - Process and apparatus for preparing purified styrene composition using divided-wall column and crystallization unit (2025-06-24),

15. 12337292 - Structured cross-channel packing element with reduced material requirement (2025-06-24),

Company Overview

Sulzer Management AG, headquartered in Winterthur, Switzerland, specializes in advanced centrifugal pump technology and related fluid management solutions. The company focuses on the development and manufacturing of multistage pumps, rotary machines, and mechanical sealing systems, catering to various industries including oil and gas, water, and energy. Sulzer is also engaged in innovative areas such as energy storage, 3D printing, and mass transfer technologies, positioning itself as a leader in fluid conveying solutions globally.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

183 Patents

#4 in Winterthur

#99 in Switzerland

#4,562 in the World

Winterthur, Switzerland

Sulzer Management Ag

Forward Citations = 185

203 inventors:

Thomas Welschinger (23 out of 25 patents)

Karel De Raeve (11 out of 11 patents)

Matti Koivikko (10 out of 10 patents)

4. Sami Virtanen (10 out of 10 patents)

5. Robin Rettberg (9 out of 9 patents)

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