Patents by Inventor Elmar Merk

Elmar Merk 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).

  • Low energy data communication circuit for hazardous or nonhazardous environments
    Patent number: 8055208
    Abstract: The present invention relates to a data communication circuit and system for use in hazardous or nonhazardous environments. In the preferred embodiment, the system is a bi-directional, low energy, current loop data communication circuit primarily for high speed data communications via parallel or twisted pair conductors. The system of the present invention can safely transmit data across long distances (e.g., up to 1000 feet (300 meters)) in an explosive atmosphere.
    Type: Grant
    Filed: March 9, 2009
    Date of Patent: November 8, 2011
    Assignee: Mettler-Toledo, Inc.
    Inventors: Manfred Lilla, Elmar Merk, Arthur Towslee
  • LOW ENERGY DATA COMMUNICATION CIRCUIT FOR HAZARDOUS OR NONHAZARDOUS ENVIRONMENTS
    Publication number: 20100227568
    Abstract: The present invention relates to a data communication circuit and system for use in hazardous or nonhazardous environments. In the preferred embodiment, the system is a bi-directional, low energy, current loop data communication circuit primarily for high speed data communications via parallel or twisted pair conductors. The system of the present invention can safely transmit data across long distances (e.g., up to 1000 feet (300 meters)) in an explosive atmosphere.
    Type: Application
    Filed: March 9, 2009
    Publication date: September 9, 2010
    Applicant: Mettler- Toledo, Inc.
    Inventors: Manfred Lilla, Elmar Merk, Arthur Towslee
  • Explosion-resistant weighing display
    Patent number: D1023806
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: April 23, 2024
    Assignees: Mettler-Toledo (Changzhou) Measurement Technology Ltd., Mettler-Toledo (Changzhou) Precision Instruments Ltd., Mettler-Toledo Technologies (China) Co., Ltd
    Inventors: YinXiu Zhang, Elmar Merk, Jozsef Varga