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For the Inventor, By the Inventor

Winterthur, Switzerland

Sulzer Management Ag


USPTO Granted Patents = 176



Trademarks = 76

Forward Citations = 171

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190 inventors (with patents filed for the assignee):

goldMedal Thomas Welschinger (23 out of 25 patents)

silverMedal Karel De Raeve (10 out of 10 patents)

bronzeMedal 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 86 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:
Multistage Centrifugal Pump
Rotary Pressure Exchanger
Structured Packing Element
3D Printing System
Energy Storage System
Centrifugal Pump
Multiphase Pump
Mechanical Sealing Arrangement
Gas to Olefins Processes
Wastewater Treatment
Heat Exchanger
Hydrocarbon Separation

176 patents:

1. 12516674 - Multi-stage centrifugal pump comprising an assembly for compensating axial forces (2026-01-06),
2. 12480494 - Multistage centrifugal pump for pumping fluid, an impeller/ shaft assembly and a method for assembling an impeller/ shaft assembly (2025-11-25),
3. 12442392 - Rotary pressure exchanger (2025-10-14),
4. 12429062 - Pump arrangement for pumping barrier liquid and a mechanical shaft seal (2025-09-30),
5. 12384736 - Process and plant for preparing purified benzene composition from crude hydrocarbon stream containing benzene (2025-08-12),
6. 12366416 - Structured packing bed for high pressure mass transfer and/or heat exchange applications (2025-07-22),
7. 12338215 - Process and apparatus for preparing purified styrene composition using divided-wall column and crystallization unit (2025-06-24),
8. 12337292 - Structured cross-channel packing element with reduced material requirement (2025-06-24),
9. 12330370 - 3D printing system for preparing a three-dimensional object (2025-06-17),
10. 12330095 - Multistage liquid distributor for a separation device comprising a dual-trough pre-distributor (2025-06-17),
11. 12320364 - Pump for conveying wastewater and impeller for such a pump (2025-06-03),
12. 12320320 - Energy storage system (2025-06-03),
13. 12297127 - Process for controlling treatment of waste fluid generated during petrochemical process using incinerator (2025-05-13),
14. 12270369 - Energy storage system (2025-04-08),
15. 12186795 - Plant and process for efficiently producing a structured cross-channel packing element (2025-01-07),
SULZER MANAGEMENT AG is a global manufacturing and engineering company that specializes in providing solutions for flow control and applicators. With a history dating back over 180 years, Sulzer has developed a strong presence in various industries including oil and gas, power, water, and general industries. The company offers a wide range of products and services including pumps, agitators, compressors, mixers, and maintenance services. Sulzer is committed to delivering innovative and sustainable solutions to its customers worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

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176 Patents

#6 in Winterthur

#98 in Switzerland

#4,604 in the World

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Winterthur, Switzerland

Sulzer Management Ag

Forward Citations = 171

190 inventors:

goldMedal Thomas Welschinger (23 out of 25 patents)

silverMedal Karel De Raeve (10 out of 10 patents)

bronzeMedal Matti Koivikko (10 out of 10 patents)

4.  Sami Virtanen (10 out of 10 patents)

5.  Robin Rettberg (9 out of 9 patents)

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