Analysis of influence of impact at the point of continuous belaying on safety of belay chain at the high altitude employments, Košice, 2002
Contribution to problems of bridge crane structure durability from the wear point of view from skewing – application at guiding structure of bridge crane, Košice, 2004
2003
2005
2006
2007
2008
2009
2011
2012
2010
2013
Participation in projects VEGA:
Industrial Property Office of the Slovak Republic
Certificate – Industrial Property Office of the Slovak Republic – Utility model
Industrial Property Office of the Slovak Republic
Certificate – Industrial Property Office of the Slovak Republic – Utility model