Karl H Dorr

This inventor holds 6 USPTO granted patents. Top assignees: Metallgesellschaft Aktiengesellschaft, Bayer Aktiengesellschaft, Stadtwerke Munster Gmbh. Active years: 1976-1989.

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 4.6

ph-index = 4

Forward Citations = 24(Granted Patents)

Location History:

Mainz, DE (1976 - 1989)
Frankfurt-am-Main, DE (1989)

Company Filing History:

6 out of 642

Metallgesellschaft Aktiengesellschaft

patents

1 out of 12,266

Bayer Aktiengesellschaft

patents

1 out of 2

Stadtwerke Munster Gmbh

patents

where one patent can have more than one assignee

Years Active: 1976-1989

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4842835 - Process of purifying flue gases (1989-06-27),

2. 4834954 - Process for cleaning flue gases (1989-05-30),

3. 4333917 - Process of producing sulfuric acid (1982-06-08),

4. 4330364 - Process of strengthening dilute phosphoric acid (1982-05-18),

5. 4276116 - Process of strengthening dilute phosphoric acid (1981-06-30),

6. 3963423 - Catalytic reactor having annular catalyst tray means (1976-06-15),

Profile summary based on public USPTO records.

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