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
• 7,841,248: Wheel measurement systems and methods
• 7,832,281: MEMS-based monitoring
• 7,899,207: Image-based visibility measurement
• 8,079,274: Rotational component torque measurement and monitoring system
  

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