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Korschenbroich, Germany

Carl H Hafele

USPTO Granted Patents = 6

Average Co-Inventor Count = 1.2

ph-index = 4

Forward Citations = 31(Granted Patents)

Location History:

4050 Monchen-Gladbach, DE (1979 - 1984)
4050 Monchengladbach 1, DE (1987)
4052 Korschenbroich 1, DE (1989)
Korschenbroich, DE (1990)

Company Filing History:

Sempell Aktiengesellschaft

5 out of 832,912

Other

patents

where one patent can have more than one assignee

Years Active: 1979-1990

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4938120 - Device for influencing the reset value of a valve (1990-07-03),

2. 4875659 - Servo-valve (1989-10-24),

3. 4638650 - Rotary drive lock (1987-01-27),

4. 4482127 - Valve structure (1984-11-13),

5. 4309021 - Valve structure (1982-01-05),

6. 4156529 - Stuffing box seal for fittings (1979-05-29),

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