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Passavant-werke Ag & Co. Kg

USPTO Granted Patents = 9

Forward Citations = 66

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8 inventors (with patents filed for the assignee):

Oswald Busse (5 out of 16 patents)

Hugo Klesper (4 out of 13 patents)

Walter Weiler (2 out of 3 patents)

4. Rudolf Smigerski (1 out of 1 patent)

5. Rosemarie Dorner (1 out of 1 patent)

6. Peter Schmidt (1 out of 1 patent)

7. James D Murray (1 out of 2 patents)

8. Peter Belouschek (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 4842745 - Process for separating organic compounds from water by extraction (1989-06-27),

2. 4587015 - Plate filter press (1986-05-06),

3. 4486307 - Filter apparatus having filter bed back-washing means (1984-12-04),

4. 4486306 - Filter press with filter plates mutually locked and individually (1984-12-04),

5. 4427554 - Method for applying a secondary filter layer or precoat layer in a plate (1984-01-24),

6. 4417983 - Scraper apparatus for settling basins and the like (1983-11-29),

7. 4405457 - Plate-type filter press with a cleaning truck (1983-09-20),

8. 4370232 - Sludge de-watering plant with a plurality of filter presses connected in (1983-01-25),

9. 4368125 - Apparatus for extracting liquid from a suspension (1983-01-11),

Passavant-Werke AG & Co. KG is a leading provider of water and wastewater treatment solutions. With over 150 years of experience, the company offers innovative technologies and services for municipal and industrial clients worldwide. Their extensive product portfolio includes a wide range of treatment systems such as biological and physical-chemical processes, as well as sludge treatment solutions.

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

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USPTO Data Jan 1 1976 - Dec 16 2025

9 Patents

#128 in

#4,025 in Germany