24 Utility Patents
#1 in Hunxe
#6,118 in Germany
#123,879 in the World
Forward Citations = 193
Company Filing History:
Bergwerksverband Gmbh
Sigri Elektrographit Gmbh
Boll & Kirch Filterbau Gmbh
4. 1 out of 69

5. 1 out of 106
Didier Engineering Gmbh
where one patent can have more than one assignee
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