Patents by Inventor Gerhard Seifert

Gerhard Seifert 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).

  • Protecting passive HF generator components
    Patent number: 9684327
    Abstract: In one aspect, a method includes protecting passive components connected to a high-frequency generator. In another aspect, a system includes a high-frequency generator having an HF source generating a high-frequency power signal at a fundamental frequency, and having a first control circuit which is fed with a signal related to an HF power transmitted by a high-frequency cable between the high-frequency generator and a load.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: June 20, 2017
    Assignee: TRUMPF Huettinger GmbH + Co. KG
    Inventors: Christian Fritsch, Ekkehard Mann, Gerhard Seifert
  • Protecting Passive HF Generator Components
    Publication number: 20140159580
    Abstract: In one aspect, a method includes protecting passive components connected to a high-frequency generator. In another aspect, a system includes a high-frequency generator having an HF source generating a high-frequency power signal at a fundamental frequency, and having a first control circuit which is fed with a signal related to an HF power transmitted by a high-frequency cable between the high-frequency generator and a load.
    Type: Application
    Filed: January 24, 2014
    Publication date: June 12, 2014
    Applicant: TRUMPF Huettinger GmbH + Co. KG
    Inventors: Christian Fritsch, Ekkehard Mann, Gerhard Seifert
  • Process for the preparation of N-acetoacetyl-2,5-dimethoxy-4-chloroanilide
    Patent number: 4042622
    Abstract: N-acetoacetyl-2,5-dimethoxy-4-chloroanilide is obtained in high yield and purity by suspending 2,5-dimethoxy-4-chloroaniline in water and adding the complete amount of diketene necessary altogether at the beginning of the reaction. The product is obtained in a purity allowing its use as an azoic coupling component without purification.
    Type: Grant
    Filed: April 27, 1976
    Date of Patent: August 16, 1977
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Emmerich Paszthory, Ernst Hille, Karl-Gerhard Seifert, Vincenz Zimmermann