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 of Ukraine: №50492 Author: Tkachenko Yuriy Vladimirovich Section of the IPC: B21F 25/00, E04H 17/04 Published: 10.06.2010, Bulletin No 11
Patent of Ukraine: №48354 Author: Tkachenko Yuriy Vladimirovich Section of the IPC: B21F 25/00, E04H 17/04 Published: 10.03.2010, Bulletin № 5/2010
Patent of Ukraine: №45934 Author: Tkachenko Yuriy Vladimirovich Section of the IPC: B21F 25/00 Published: 25.11.2009, Bulletin № 22/2009
The patent of Ukraine: №95130 Author: Tkachenko Yuriy Vladimirovich Section of the IPC: B21F 25/00 Published: 11.07.2011, Bulletin №13/2011
Patent of Ukraine: №91445 Author: Tkachenko Yuriy Vladimirovich Section of the IPC: B21F 25/00 Published: 26.07.2010, Bulletin № 14/2010
Patent of Ukraine: №47937 Author: Tkachenko Yuriy Vladimirovich Section of the IPC: B21F 25/00, E04H 17/04 Published: 25.02.2010, Bulletin № 4
Patent of Ukraine: №47911 Author: Tkachenko Yuri Section of the IPC: B21F 25/00, E04H 17/04 Published: 25.02.2010, Bulletin № 4/2010
