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Harald Hoffmann

USPTO Granted Patents = 3

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 28(Granted Patents)

Company Filing History:

Klockner-Humboldt-Deutz Ag

Ruhrkohle Ol Und Gas Gmbh

4. 1 out of 6,662

Hoechst Aktiengesellschaft

where one patent can have more than one assignee

Years Active: 1986-1990

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4973342 - Device with granular bed filters for raw gas purification (1990-11-27),

2. 4613344 - Method and apparatus for cleaning hot gases produced during a coal (1986-09-23),

3. 4566882 - Filter for cleaning gases (1986-01-28),

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