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Winterthur, Switzerland

Sulzer Chemtech Ag

USPTO Granted Patents = 179

CIPO Patents = 19

EPO Patents = 76

Trademarks = 34

Forward Citations = 1,801

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212 inventors (with patents filed for the assignee):

Mark William Pilling (11 out of 13 patents)

Markus Friedrich Fischer (10 out of 11 patents)

Rolf Heusser (8 out of 16 patents)

4. Christian Gottlieb Bachmann (8 out of 8 patents)

5. Markus Fleischli (8 out of 13 patents)

6. Emil Fehr (8 out of 8 patents)

7. Nikolaus Brugner (8 out of 9 patents)

8. Manfred Stepanski (7 out of 15 patents)

9. Felix Moser (7 out of 8 patents)

10. Felix Alfred Streiff (7 out of 18 patents)

11. Philipp Suess (7 out of 7 patents)

12. Liborio Ivano Costa (6 out of 8 patents)

13. Ilja Ausner (6 out of 11 patents)

14. Arno Signer (6 out of 6 patents)

15. Florian Kehrer (5 out of 9 patents)

Core Competencies:

Fluid Contact Tray

Polyester Polymer Composition

Desalination Process

Liquid-Liquid Extraction

Cyclone Separation

Mass Transfer Column

Electrostatic Coalescer

Reactive Distillation

Crystallization Process

Packing Layer

Vapor-Liquid Contact Tray

Fluid Distribution Equipment

179 patents: Sort by Forward Citations

1. 10738248 - Method and apparatus for purifying a mixture comprising oil and wax (2020-08-11),

2. 10737196 - Aperture layout for vapor-liquid contact tray (2020-08-11),

3. 10669374 - Method to minimize the transition time from one polymer grade to another polymer grade in a polymerization plant (2020-06-02),

4. 10596483 - Aperture layout for vapor-liquid contact tray (2020-03-24),

5. 10434438 - Fluid contact tray particularly for the use in an offshore fractionation column (2019-10-08),

6. 10377853 - Process to prepare a polyester polymer composition comprising a polyester polymer having furanic units and a polyester polymer composition obtainable thereby and the use thereof (2019-08-13),

7. 10376860 - Packing layer for structured packing (2019-08-13),

8. 10315937 - Apparatus for germ reduction of a fluid and a process for use thereof (2019-06-11),

9. 10213706 - Process and apparatus for purification of acrylic acid (2019-02-26),

10. 10201799 - Packing element for a structured packing with specific mounting clips (2019-02-12),

11. 10195540 - Modular sub-unit for a suspension crystallization system (2019-02-05),

12. 10143941 - Devolatilisation apparatus and a process for use thereof (2018-12-04),

13. 10138433 - Method and apparatus for purifying a mixture comprising oil and wax (2018-11-27),

14. 10118836 - Apparatus, use of apparatus and process for desalination of water (2018-11-06),

15. 10112886 - Method for purification of benzoic acid (2018-10-30),

Sulzer Chemtech AG is a leading global provider of process technology and separation solutions for the oil and gas, petrochemical, and chemical industries. With extensive experience and innovative solutions, the company helps its clients optimize their production processes and improve efficiency. Sulzer Chemtech offers a wide range of products and services, including distillation and evaporation systems, membrane technology, crystallization equipment, process automation, and more. The company is committed to delivering superior quality and customer service, making it a trusted partner for industry leaders worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

179 Patents

#5 in Winterthur

#93 in Switzerland

#4,530 in the World

Winterthur, Switzerland

Sulzer Chemtech Ag

Forward Citations = 1,801

212 inventors:

Mark William Pilling (11 out of 13 patents)

Markus Friedrich Fischer (10 out of 11 patents)

Rolf Heusser (8 out of 16 patents)

4. Christian Gottlieb Bachmann (8 out of 8 patents)

5. Markus Fleischli (8 out of 13 patents)

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