Patent of Ukraine: №44848 Author: Tkachenko Yuriy Vladimirovich IPC Section: E04H 17/00, F41H 11/00 Published: 12.10.2009, Bulletin №19/2009
Russian Federation Patent: №93039 Author: Tkachenko Yuriy Vladimirovich Section of the IPC: B21F 25/00, E04H 17/04 Published: 20.04.2010
Patent of Ukraine: №48658 Author: Tkachenko Yuriy Vladimirovich Section of the IPC: B21F 25/00, E04H 17/04 Published: 25.03.2010, Bulletin № 6/2010
Patent of Ukraine: № 89535 Author: Tkachenko Yuriy Vladimirovich Section of the IPC: B21F 25/00 – Barbed wire, mesh, fencing, wire Published: 25.04.2014, Bulletin 8
Russian Patent: №93316 Author: Tkachenko Yuriy Vladimirovich Section of the IPC: B21F 25/00 Published: 27.04.2010
Patent of Ukraine: №48667 Author: Tkachenko Yuriy Vladimirovich Section of the IPC: B21F 25/00 Published: 25.03.2010, Bulletin № 6/2010
Russian Patent: №2431582 Author: Tkachenko Yuriy Vladimirovich Section of the IPC: B21F 25/00, B63G 13/00 Published: 20.10.2011
The Patent of Ukraine: №96848 Author: Tkachenko Yuriy Vladimirovich IPC Section: B63G 13/00, E04H 17/10, F41H 11/08 Published: 12.12.2011, Bulletin No 23
Patent Kazakhstan: №23426 Author: Tkachenko Yuriy Vladimirovich Section of the IPC: B21F 25/00, E04H 17/04 Published: 15.12.2010, Bulletin № 12
Russian Federation Patent: №96040 Author: Tkachenko Yuriy Vladimirovich Section of the IPC: B21F 25/00, E04H 17/04 Published: 20/07/2010