Hydrolux S.a.r.l.

Calculating rank

USPTO Granted Patents = 10

Forward Citations = 108

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7 inventors (with patents filed for the assignee):

Bernd Lanfermann (4 out of 5 patents)

Hans Schwelm (4 out of 4 patents)

Karl Tratberger (4 out of 4 patents)

4. Arsene Bourkel (4 out of 4 patents)

5. Karl-Heinz Post (3 out of 6 patents)

6. Hans Schwelm (2 out of 5 patents)

7. Karl H Post (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 5896890 - Pilot-operated servo-valve (1999-04-27),

2. 5873561 - Two-port cartridge seat valve (1999-02-23),

3. 5447174 - Pilot stage for pressure control valves (1995-09-05),

4. 5445188 - Pilot operated servo valve (1995-08-29),

5. 5236015 - Position-controlled proportional directional valve (1993-08-17),

6. 5211196 - Proportional seat-type 4-way valve (1993-05-18),

7. 5178358 - Adjustable proportional throttle-valve with feedback (1993-01-12),

8. 5144983 - Position-controlled proportional directional valve (1992-09-08),

9. 4711267 - Hydraulic control block (1987-12-08),

10. 4662600 - Adjustable throttle valve (1987-05-05),

Company Overview

Hydrolux S.a.r.l. is a company based in Domeldange, Luxembourg, specializing in advanced water treatment solutions. The organization focuses on developing innovative technologies for water purification and management, catering to both industrial and municipal sectors. With a commitment to sustainability, Hydrolux aims to enhance water quality and efficiency through its cutting-edge systems and processes. The company is dedicated to addressing global water challenges by providing effective and environmentally friendly solutions.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

10 Patents

#1 in Domeldange

#100 in Luxembourg

#56,119 in the World

Domeldange, Luxembourg

Hydrolux S.a.r.l.

Forward Citations = 108

7 inventors:

Bernd Lanfermann (4 out of 5 patents)

Hans Schwelm (4 out of 4 patents)

Karl Tratberger (4 out of 4 patents)

4. Arsene Bourkel (4 out of 4 patents)

5. Karl-Heinz Post (3 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hydrolux S.a.r.l.. Retrieved from https://idiyas.com/company/hydrolux-s-a-r-l

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]