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Forward Citations = 107

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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),

Hydrolux S.a.r.l. is a leading manufacturer of high-quality hydraulic components and systems. With over 20 years of experience in the industry, we offer a wide range of products including pumps, valves, cylinders, and power units. Our innovative solutions are designed to meet the demanding requirements of various industries such as construction, agriculture, and mining. We are committed to providing reliable and efficient products that help our customers improve their productivity and profitability.

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USPTO Data Jan 1 1976 - Dec 30 2025

10 Patents

#1 in Luxembourg-Domeldange

#98 in Luxembourg

#54,308 in the World

Luxembourg-Domeldange, Luxembourg

Hydrolux S.a.r.l.