Patents by Inventor Gerhart S. Langenbach

Gerhart S. Langenbach 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).

  • Patent number: 9897329
    Abstract: A cooktop is provided that has a downdraft ventilator with a seal arrangement that may include a plenum seal and a vent grate seal. The plenum and vent grate seals may be arranged at interconnections of a plenum, a panel of the cooktop, and a vent grate to provide a layered and substantially airtight interconnection between such components.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: February 20, 2018
    Assignee: Western Industries, Inc.
    Inventors: Peter F. Sosso, John J. Huber, Christopher R. Irgens, Gerhart S. Langenbach
  • Patent number: 9777930
    Abstract: A telescoping downdraft ventilator with a movable fan and efficient way of removing gases and fumes is disclosed. The telescoping downdraft ventilator has the ability to fit behind a cook top unit beneath a countertop when the cook top unit is located against a wall. The telescoping downdraft ventilator has a fan that may be attached in front of the unit or behind the unit. The ventilator collects and draws in exhaust fumes and smoke, filters it, and re-circulates or expels it through a movable exhaust duct.
    Type: Grant
    Filed: June 5, 2012
    Date of Patent: October 3, 2017
    Assignee: Western Industries, Inc.
    Inventors: Gerhart S. Langenbach, John J. Huber, William Punzel, Conrad G. Bohlman
  • Publication number: 20130327315
    Abstract: A cooktop is provided that has a downdraft ventilator with a seal arrangement that may include a plenum seal and a vent grate seal. The plenum and vent grate seals may be arranged at interconnections of a plenum, a panel of the cooktop, and a vent grate to provide a layered and substantially airtight interconnection between such components.
    Type: Application
    Filed: June 8, 2012
    Publication date: December 12, 2013
    Inventors: Peter F. Sosso, John J. Huber, Christopher R. Irgens, Gerhart S. Langenbach
  • Publication number: 20130319400
    Abstract: A telescoping downdraft ventilator with a movable fan and efficient way of removing gases and fumes is disclosed. The telescoping downdraft ventilator has the ability to fit behind a cook top unit beneath a countertop when the cook top unit is located against a wall. The telescoping downdraft ventilator has a fan that may be attached in front of the unit or behind the unit. The ventilator collects and draws in exhaust fumes and smoke, filters it, and re-circulates or expels it through a movable exhaust duct.
    Type: Application
    Filed: June 5, 2012
    Publication date: December 5, 2013
    Inventors: Gerhart S. Langenbach, John J. Huber, William Punzel, Conard G. Bohlman