Patents by Inventor Ewald Heinle

Ewald Heinle has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for reclaiming a grinding suspension
    Patent number: 6010010
    Abstract: A process for reclaiming a consumed grinding suspension which has been used for machining silicon, quartz or ceramic is made from a cutting fluid, in which abrasive grain and abraded material are dispersed. In a first process step, the grinding suspension is carefully separated, by means of a drying step, into a solid component and a liquid component. In a second process step, the solid component is separated into abrasive grain and abraded material by a separation method.
    Type: Grant
    Filed: October 1, 1998
    Date of Patent: January 4, 2000
    Assignee: Elektroschmelzwerk Kempten GmbH
    Inventors: Ewald Heinle, Alexander Grimm, Holger Rubenbauer, Roman Kurth