40 U.S. Patents granted on TRX Systems technology and several more pending. A list of TRX Systems patents is as follows:​
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  1. USPTO 8,688,375. Date of Issue: April 1, 2014. Method and System for Locating and Monitoring First Responders (System). B. Funk, A. Bandyopadhyay E. Kohn, N. Goldsman, C. Teolis, G. Blankenship. Filed: May 31, 2007.
  2. USPTO 8,706,414. Date of Issue: April 22, 2014. Method and System for Locating and Monitoring First Responders (Method). B. Funk, A. Bandyopadhyay E. Kohn, N. Goldsman, C. Teolis, G. Blankenship. Filed: September 14, 2012.
  3. USPTO 8,712,686. Date of Issue: April 29, 2014. System and Method for Locating, Tracking and/or Monitoring the Status of Personnel and/or Assets Both Indoors and Outdoors (Map generation/correction) A. Bandyopadhyay, D. Hakim, B. Funk, E. Kohn, C. Teolis, G. Blankenship. Filed: November 21, 2011.
  4. USPTO 8,751,151. Date of Issue: June 10, 2014. System and Method for Localizing a Tracker at a Location and Mapping the Location Using Inertial Sensor Information. B. Funk, J. Napora, K. Kordari, R. Verma, A. Bandyopadhyay, C. Teolis. Filed: March 28, 2013.
  5. USPTO 8,930,163. Date of Issue: January 6, 2015. Method for Step Detection and Gait Direction Estimation. K. Kordari, B. Funk, J. Napora, R. Verma, T. Young, C. Teolis. Filed: March 14, 2013.
  6. USPTO 8,965,688. Date of Issue: February 24, 2015. System and Method for Locating, Tracking and/or Monitoring the Status of Personnel and/or Assets Both Indoors and Outdoors (Signal Strength Based Localization Methods). A. Bandyopadhyay, D. Hakim, B. Funk, E. Kohn, C. Teolis, G. Blankenship. Filed: September 14, 2012.
  7. USPTO 8,990,014. Date of Issue: March 24, 2015. Method to Scale Inertial Location Data Using Directional and/or Scale Confidence Constraints. Funk, D. Hakim, J. Karvounis, C. Teolis. Filed: March 14, 2014.
  8. USPTO 9,008,962. Date of Issue: April 14, 2015. System and Method for Locating, Tracking and/or Monitoring the Status of Personnel and/or Assets Both Indoors and Outdoors (Shape-matching and GPS Inertial Fusion Methods). A. Bandyopadhyay, D. Hakim, B. Funk, E. Kohn, C. Teolis, G. Blankenship. Filed: Sept 14, 2012.
  9. USPTO 9,046,373. Date of Issue: June 2, 2015. System and Method for Locating, Tracking and/or Monitoring the Status of Personnel and/or Assets Both Indoors and Outdoors (Building Analysis). A. Bandyopadhyay, D. Hakim, B. Funk, E. Kohn, C. Teolis, G. Blankenship. Filed: September 14, 2012.
  10. USPTO 9,146,113. Date of Issue: September 29, 2015. Method for Localizing A Tracker At A Location And Mapping The Location Using Transitions Funk, J. Napora, K. Kordari, R. Verma, A. Bandyopadhyay, C. Teolis. Filed: April 25, 2014.
  11. USPTO 9,297,658. Date of Issue: March 29, 2016. Wi-Fi Enhanced Tracking Algorithms. A. Bandyopadhyay, D. Hakim, C. Teolis. Filed: June 12, 2013.
  12. USPTO 9,322,648. Date of Issue: June 16, 2016. Reducing Elevation Error with Environmental Pressure Anomaly Compensation. J. Karvounis, J. Napora, D. Hakim, J. Miller, B. Funk, C. Teolis. Filed: May 15, 2015.
  13. USPTO 9,395,190. Date of Issue: July 19, 2016. Crowd Sourced Mapping with Robust Structural Features. T. Young, K. Kordari, B. Funk, C. Teolis. Filed: May 15, 2015.
  14. USPTO 9,441,973. Date of Issue: Sept 13, 2016. Irregular Feature Matching. A. Bandyopadhyay, B. Beisel, B. Funk, J. Karvounis, C. Teolis. Filed: June 12, 2013.
  15. USPTO 9,448,072. Date of Issue: September 20, 2016. System and Method for Locating, Tracking and/or Monitoring the Status of Personnel and/or Assets Both Indoors and Outdoors (Path Segmentation). A. Bandyopadhyay, D. Hakim, B. Funk, E. Kohn, C. Teolis, G. Blankenship. Filed: August 6, 2008.
  16. USPTO 9,671,224. Date of Issue June 6, 2017. Methods Resolving the Elevation of a Tracked Personnel or Assets J. Karvounis, J. Napora D. Hakim, C. Teolis, B. Funk, C. Giles. Filed: June 12, 2013.
  17. USPTO 9,739,635. Date of Issue: Aug 22, 2017. Methods for Improved Heading Estimation. B. Funk, D. Hakim, J. Karvounis, T. Young, C. Teolis. Filed: June 12, 2013.
  18. USPTO 9,733,091. Date of Issue: Aug 15, 2017. Collaborative Creation of Indoor Maps. K. Kordari, B. Funk, C. Teolis, J. Napora, J. Karvounis, D. Hakim, C. Giles, C. Politi. Filed: February 12, 2014. Priority March 14, 2013.
  19. USPTO 9,759,561. Date of Issue: Sept 12, 2017. Heading Constraints in a Particle Filter. T. Young, J. Miller, J. Karvounis, D. Hakim, J. Napora, B. Funk, C. Teolis. Filed: May 15, 2015.
  20. USPTO 9,664,521. Date of Issue: May 30, 2017. System and Method For Localizing A Tracker At A Location And Mapping The Location Using Signal-Based Features. Funk, J. Napora, K. Kordari, R. Verma, A. Bandyopadhyay, C. Teolis. Filed: April 25, 2015.
  21. USPTO 9,746,327. Date of Issue: Fusion of Sensor and Map Data using Constraint Based Optimization. D. Hakim, C. Giles, J. Karvounis, B. Funk, J. Napora, C. Teolis. Filed: June 12, 2013.
  22. USPTO 9,778,044. Date of Issue: October 3, 2017. Irregular Feature Matching. A. Bandyopadhyay, B. Beisel, B. Funk, J. Karvounis, C. Teolis. Filed: August 16, 2016.
  23. USPTO 9,823,068. Date of Issue: November 21, 2017. Reducing Elevation Error with Environmental Pressure Anomaly Compensation. J. Karvounis, J. Napora, D. Hakim, J. Miller, B. Funk, C. Teolis. Filed:
  24. USPTO 9,983,012. Date of Issue: May 29, 2018. Crowd Sourced Mapping with Robust Structural Features T. Young, K. Kordari, B. Funk, C. Teolis. Filed: April 14, 2016.
  25. USPTO 10,012,502. Date of Issue: July 3, 2018. Methods Resolving the Elevation of a Tracked Personnel or Assets. J. Karvounis, J. Napora D. Hakim, C. Teolis, B. Funk, C. Giles. Filed: May 10, 2017.
  26. USPTO 10,027,952. Date of Issue: July 17, 2018. Mapping and Tracking System with Features in Three-dimensional Space. J. Karvounis. Filed: August 3, 2012.
  27. USPTO 10,088,313. Date of Issue: October 2, 2018. Particle Filter Based Heading Correction. T. Young, J. Miller, J. Karvounis, D. Hakim, J. Napora, B. Funk, C. Teolis. Filed: August 15, 2017.
  28. USPTO 10,215,587. Date of Issue: February 26, 2019. Method for Step Detection and Gait Direction Estimation. K. Kordari, B. Funk, J. Napora, R. Verma, T. Young, C. Teolis. Filed: March 8, 2013.
  29. USPTO 10,352,707. Date of Issue: July 16, 2019. Collaborative Creation of Indoor Maps. J. Karvounis, J. Napora, B. Funk, D. Hakim, C. Giles, C. Teolis. Filed: July 14, 2017.
  30. USPTO 10,393,542. Date of Issue: August 27, 2019. Methods for Improved Heading Estimation B. Funk, D. Hakim, J. Karvounis, T. Young, C. Teolis. Filed: July 11, 2017.
  31. USPTO 10,393,543. Date of Issue: August 27, 2019. Methods for Improved Heading Estimation B. Funk, D. Hakim, J. Karvounis, T. Young, C. Teolis. Filed: July 13, 2017.
  32. USPTO 10,401,168. Date of Issue: September 3, 2019. Methods Resolving the Elevation of a Tracked Personnel or Assets. J. Karvounis, J. Napora, B. Funk, D. Hakim, C. Giles, C. Teolis. Filed: May 10, 2017.
  33. USPTO 10,571,270. Date of Issue: February 25, 2020. Fusion of Sensor and Map Data Using Constraint Based Optimization. D. Hakim, C. Giles, J. Karvounis, J. Napora, C. Teolis. Filed: August 7, 2017.
  34. USPTO 10,598,487. Date of Issue: March 24, 2020. Methods Resolving a Location of Traced Personnel or Assets Based on Elevation. J. Karvounis, J. Napora, B. Funk, D. Hakim, C. Giles, C. Teolis. Filed: August 29, 2019.
  35. USPTO 10,612,921. Date of Issue: April 7, 2020. Methods for Resolving a Location of Tracked Personnel or Assets and Refining Path Data. J. Karvounis, J. Napora, B. Funk, D. Hakim, G. Giles, C. Teolis. Filed: August 29, 2019.
  36. USPTO 10,627,230. Date of Issue: April 21, 2020. Methods for Resolving A Location of Tracked Personnel or Assets Based on Elevation or Terrain Constraints. J. Karvounis, J. Napora, B. Funk, D. Hakim, G. Giles, C. Teolis. Filed: August 28, 2019.
  37. USPTO 10,740,965. Date of Issue: August 11, 2020. Mapping Complex Building Models. T. Young, D. Hakim, D. Franchy, J. Napora, J. Karvounis, J. Fetter-Degges, T. Wang, B. Funk, C. Teolis, C. Politi, S. Woodbury. Filed: May 31, 2019.
  38. USPTO 10,750,155. Date of Issue: August 18, 2020. Mapping and Tracking System with Features in Three-Dimensional Space. J. Karvounis. Filed: Jun 14, 2018. 
  39. USPTO 10,805,595. Date of Issue: October 13, 2020. Mapping and Tracking System with Features in Three-Dimensional Space. J. Karvounis. Filed: Jun 14, 2018. ​
  40. USPTO 10,852,145​​. Date of Issue: December 1, 2020. Crowd Sourced Mapping with Robust Structural Features. T. Young, K. Kordari, B. Funk, C. Teolis. Filed: May 23, 2018. 
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