For the Inventor, By the Inventor

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Wuppertal, Germany

Heinrich Fiedler Gmbh & Co Kg

USPTO Granted Patents = 6

Forward Citations = 99

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7 inventors (with patents filed for the assignee):

Waldemar R Knodel (4 out of 4 patents)

Norbert Einoder (3 out of 3 patents)

Thomas Mickelat (1 out of 7 patents)

4. Hubert Gassmann (1 out of 1 patent)

5. Maximilian Baier (1 out of 1 patent)

6. Kurt Beisenherz (1 out of 1 patent)

7. Frank Lotter (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 6579458 - Screening device (2003-06-17),

2. 6029821 - Screening device (2000-02-29),

3. 5384046 - Screen element (1995-01-24),

4. 5258120 - Disk filter (1993-11-02),

5. 5255790 - Screening apparatus (1993-10-26),

6. 5073254 - Cylindrical screening basket (1991-12-17),

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USPTO Data Jan 1 1976 - Dec 16 2025

6 Patents

#69 in Wuppertal

#5,318 in Germany

Wuppertal, Germany

Heinrich Fiedler Gmbh & Co Kg

Forward Citations = 99

7 inventors:

Waldemar R Knodel (4 out of 4 patents)

Norbert Einoder (3 out of 3 patents)

Thomas Mickelat (1 out of 7 patents)

4. Hubert Gassmann (1 out of 1 patent)

5. Maximilian Baier (1 out of 1 patent)

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