% Expired Patents = 50.0

EPO Patents = 1

Trademarks = 2

Forward Citations = 15

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6 inventors (with patents filed for the assignee):

Joachim Wiechers (2 out of 8 patents)

Edmund Merdzo (2 out of 2 patents)

Christoph Scholz (2 out of 8 patents)

4. Eckard Kopatzki (2 out of 2 patents)

5. Christoph Frank (1 out of 1 patent)

6. Rainer Riesenberg (1 out of 2 patents)

6 patents: Sort by Forward Citations

1. 7942431 - Wheeled chassis assembly for vats, especially for sorption columns (2011-05-17),

2. 7833325 - Sorption column (2010-11-16),

3. 7278438 - Apparatus and process for refilling a bubbler (2007-10-09),

4. 7222056 - Method for minimizing the error of a measurable quantity (2007-05-22),

5. 7202423 - Apparatus for weighing out the remaining quantity of a substance in a storage vessel (2007-04-10),

6. 6762410 - Analysis apparatus (2004-07-13),

Company Overview

Cs Clean Systems Ag is a leading provider of advanced wet process solutions for the semiconductor industry. With over 40 years of experience, the company offers innovative cleaning technologies to meet the demanding requirements of semiconductor manufacturers around the world. Cs Clean Systems Ag is committed to delivering high-quality, reliable, and sustainable solutions to help customers achieve their manufacturing goals.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

6 Patents

#7 in Ismaning

#5,401 in Germany

Ismaning, Germany

Cs Clean Systems Ag

Forward Citations = 15

6 inventors:

Joachim Wiechers (2 out of 8 patents)

Edmund Merdzo (2 out of 2 patents)

Christoph Scholz (2 out of 8 patents)

4. Eckard Kopatzki (2 out of 2 patents)

5. Christoph Frank (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cs Clean Systems Ag. Retrieved from https://idiyas.com/company/cs-clean-systems-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]

1 patent (EPO):

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]