IEM has a number of patents which cover large areas of technical innovation in metrology, intelligent sensors, and others. The following is a list of current IEM patents:

  • 4,904,939: Portable Electronic Wheel Wear Gauge
  • 5,636,026: Method and System for Contactless Measurement of Railroad Wheel Characteristics
  • 6,523,411: Wheel Inspection System
  • 6,768,551: Contactless Wheel Measurement System and Method
  • 7,208,733: Non-visible Radiation Imaging and Inspection
  • 7,298,548: Multi-directional Viewing and Imaging
  • 7,355,508: System and Method for Monitoring an Area
  • 7,412,899: MEMS-based monitoring
  • 7,478,570: Wheel Measurement Systems and Methods
  • 7,525,667: Portable Electronic Measurement
  • 7,536,278: Inspection Method, System and Program Product
  • 7,564,569: Optical Wheel Evaluation
  • 7,602,937: Image-based Visibility Measurement
  • 7,832,281: MEMS-based Monitoring
  • 7,841,248: Wheel Measurement Systems and Methods
  • 7,899,207: Image-based Visibility Measurement
  • 8,006,559: Wayside Rolling Stock Inspection
  • 8,079,274: Rotational Component Torque Measurement and Monitoring System
  • 8,140,250: Rail Vehicle Identification and Processing
  • 8,150,105: Inspection Using Three-dimensional Profile Information
  • 8,188,430: Omnidirectional Monitoring Using Near-infrared Electromagnetic Radiation
  • 8,280,686: Inspection, Method and Program Product
  • 8,326,582: Acoustic-based Rotating Component Analysis
  • 8,335,606: Thermal Image-based Vehicle Analysis
  • 8,423,240: Wireless Railroad Monitoring
  • 8,478,480: Vehicle Evaluation Using Infrared Data
  • 8,583,313: Robotic Vehicle for Performing Railroad Activities
  • 8,649,932: Vehicle Evaluation Using Infrared Data (2)
  • 8,655,540: Rail Vehicle Identification and Processing
  • 8,700,924: Modular Sensor Node and Communications System
  • 8,868,291: Infrared Data-Based Object Evaluation
  • 8,925,873: Wayside Measurement of Railcar Wheel to Rail Geometry
  • 8,941,734: Area Monitoring for Detection of Leaks and Flames
International Patents Include:
  • CA 1314393: Portable Electronic Wheel Wear Gauge
  • CA 2508227: Portable Electronic Measurement
  • CA 2508388: Inspection Method System and Program Product
  • CA 2743237: Thermal Imaging-based Vehicle Analysis
  • AU2012312501: Object Evaluation Accounting for Motion-Related Dynamic Forces

    IEM has numerous other pending patents in process in a variety of other areas.