Patents Represented by Law Firm McConnell & Fox
  • Temperature and humidity control system
    Patent number: 4711294
    Abstract: A system for controlling the temperature and humidity of an enclosure such as a museum display case continuously extracts air from the enclosure, increases its humidity, cools it to a controlled temperature, at which point its humidity is 100%. The air is then heated and returned to the enclosure. By selection of the controlled temperature the relative humidity of the returned air may be determined.
    Type: Grant
    Filed: August 14, 1985
    Date of Patent: December 8, 1987
    Inventors: Alphonse F. Jacobs, James R. Paxton
  • Automotive headlight control
    Patent number: 4686423
    Abstract: An automotive headlight control including means to detect when the automobile engine is operating and cause the headlights to be operated at reduced output. This ensures that when the vehicle is driven, the headlights automatically turn on and reduce the driving hazard.
    Type: Grant
    Filed: February 26, 1986
    Date of Patent: August 11, 1987
    Assignee: Safety Solutions Co. Inc.
    Inventor: Christopher A. Eydt
  • Gas turbine rub detector
    Patent number: 4543830
    Abstract: The condition of a gas turbine is monitored by locating a microphone in the air inlet and listening to or recording the sounds detected during certain periods of the machine operating cycle. By proper selection and control of those periods, the operator is enabled to detect rubs or other problems but is not exposed to undesirable noise levels.
    Type: Grant
    Filed: December 9, 1983
    Date of Patent: October 1, 1985
    Inventor: James O. Stephens