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.