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Schwandorf, Germany

Alfred Forster

This inventor holds 8 USPTO granted patents. Top assignee: Siemens Aktiengesellschaft. Active years: 1985-1992.

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 64(Granted Patents)

Company Filing History:

8 out of 30,852

Siemens Aktiengesellschaft

Years Active: 1985-1992

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5159576 - Automatic sensor identification for ultrasonic proximity switches (1992-10-27),

2. 5144593 - Integrated automatic control for ultrasonic proximity switches (1992-09-01),

3. 5036477 - Method for the interference suppression in ultrasonic distance (1991-07-30),

4. 4980869 - Monitor unit for sensors, particularly ultrasonic sensors, for motor (1990-12-25),

5. 4974214 - Method for the suppression of interference signals during operation of (1990-11-27),

6. 4914951 - Apparatus for remote distance measurement (1990-04-10),

7. 4649527 - Ultrasonic proximity switch (1987-03-10),

8. 4536673 - Piezoelectric ultrasonic converter with polyurethane foam damper (1985-08-20),

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