• Ulrich Timm, Jens Kraitl, Sebastian Koball, Michael Hinz, Sergej Andruschenko, Hartmut Ewald, Elfed Lewis, Deirdre McGrath, Gabriel Leen. “A Monitoring System for Cardiac Output”. Filed September 2011
  • Timm, U., Lewis, E., Leen. G., Ewald H., Kraitl, J. and McGrath, D., 'An analysis method and system for blood'. Filed US, EU and Irish patent application September 2010.
  • Bremer K., Lewis E., Leen G., Moss B., Lochmann S. and Mueller I., “Pressure Sensor With an Interferometric Sensor and In-Fiber Bragg Grating Reference Sensor” US8764678B2. Granted 1st July 2014)
  • Fitzpatrick, C., E. Lewis, A. Al-Shamma and J. Lucas.  2000.  “A Method and a Sensor for Detecting Electron Emission”.  Irish Patent No. S2000/0246.
  • Leahy, M. US6671755 “System for Data Capture from a Rotor” United States 01/01/03
  • Leahy, MJ, Patent number: EP1058092, Publication date: 2000-12-06. Data acquisition system for interfacing with transducers and transferring data to an external host system via a slip ring. Leahy, M.J., O’Regan, G., Byrne, C., Punch, J., Samways, P., Clothier, S., and Davies, M.
  • O’Farrell, M., E. Lewis, C. Flanagan and N. Jackman""Food Monitoring System” S2003/0130, 2003
  • Magill Shaun; O'Connell John Joseph; Spillane Francis James; Newe Thomas; O'Reilly Connor Valentine; O'Dea Edmond Patrick. "Method and apparatus for controlling a plurality of devices". IE922706. 1993.