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last 30 patents
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Patent Grant
Electromotive variable-speed and control drive particularly for use...
Patent number
4,712,660
Issue date
Dec 15, 1987
Frankl & Kirchner GmbH & Co KG
Hans Erndt
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Electromotive variable-speed and control drive particularly for use...
Patent number
4,709,794
Issue date
Dec 1, 1987
Frankl & Kirchner GmbH & Co. KG
Karl Lengsfeld
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Adjustable electromagnetic clutch brake
Patent number
4,703,841
Issue date
Nov 3, 1987
Frankl & Kirchner GmbH Co KG Fabrik fur Elektromotoren u. Elektrische Apparate
Karl Lengsfeld
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Adjustable electromagnetic clutch/brake
Patent number
4,556,132
Issue date
Dec 3, 1985
Frankl & Kirchner GmbH & Co.
Karl Lengsfeld
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Circuit arrangement for energy economy
Patent number
4,364,001
Issue date
Dec 14, 1982
Frankl & Kirchner GmbH & Co. KG Fabrik fur Elektromotoren u. elektrische Appa...
Alfred Heidt
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER