Patents by Inventor Douglas A. Pulskamp

Douglas A. Pulskamp 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: 8967091
    Abstract: A thermostat housing is disclosed. The thermostat housing comprises a housing member. The housing member includes an inlet and an outlet to allow coolant to flow therethrough. The thermostat housing also includes least two thermostats within the housing member. The at least two thermostats have staggered opening temperatures. One of the at least two thermostats opens and controls a flow rate of coolant through the housing when the coolant is within a first predetermined temperature range. A single loop of coolant is being controlled within the housing member.
    Type: Grant
    Filed: December 14, 2011
    Date of Patent: March 3, 2015
    Assignee: Cummins Inc.
    Inventors: Steven M. Bellinger, Douglas A. Pulskamp
  • Publication number: 20130152880
    Abstract: A thermostat housing is disclosed. The thermostat housing comprises a housing member. The housing member includes an inlet and an outlet to allow coolant to flow therethrough. The thermostat housing also includes least two thermostats within the housing member. The at least two thermostats have staggered opening temperatures. One of the at least two thermostats opens and controls a flow rate of coolant through the housing when the coolant is within a first predetermined temperature range. A single loop of coolant is being controlled within the housing member.
    Type: Application
    Filed: December 14, 2011
    Publication date: June 20, 2013
    Applicant: Cummins Inc.
    Inventors: Steven M. BELLINGER, Douglas A. Pulskamp