For the Inventor, By the Inventor

Enter assignee name

Winterthur, Switzerland

Sulzer Chemtech Ag

Calculating rank

USPTO Granted Patents = 179

% Expired Patents = 23.5

CIPO Patents = 19

EPO Patents = 76

Trademarks = 33

Forward Citations = 1,856

Loading Chart...

Loading Chart...

211 inventors (with patents filed for the assignee):

Mark William Pilling (11 out of 13 patents)

Markus Friedrich Fischer (10 out of 11 patents)

Markus Fleischli (9 out of 13 patents)

4. Rolf Heusser (8 out of 16 patents)

5. Manfred Stepanski (8 out of 15 patents)

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

7. Felix Moser (8 out of 8 patents)

8. Emil Fehr (8 out of 8 patents)

9. Nikolaus Brugner (8 out of 9 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. Sven Glüer (5 out of 5 patents)

Core Competencies:

Mass Transfer Column

Liquid-Liquid Extraction

Fluid Purification

Packing Layer

Static Mixer

Polymer Manufacture

Contact Tray

Separation Method

Desalination

Crystallization Process

Heat Exchanging

Vapor-Liquid Contact

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),

Company Overview

Sulzer Chemtech AG, based in Winterthur, Switzerland, specializes in mass transfer technology, focusing on innovative solutions for various separation processes. The company develops and manufactures advanced systems such as mass transfer columns, liquid-liquid extraction units, and static mixers, which are essential for fluid purification and polymer manufacturing. With a commitment to enhancing efficiency and sustainability, Sulzer Chemtech serves a diverse range of industries, providing expertise in separation methods and packing layers to optimize operational performance.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

179 Patents

#5 in Winterthur

#105 in Switzerland

#4,667 in the World

Winterthur, Switzerland

Sulzer Chemtech Ag

Forward Citations = 1,856

211 inventors:

Mark William Pilling (11 out of 13 patents)

Markus Friedrich Fischer (10 out of 11 patents)

Markus Fleischli (9 out of 13 patents)

4. Rolf Heusser (8 out of 16 patents)

5. Manfred Stepanski (8 out of 15 patents)

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

Loading…