On October 20, 2020, Shaanxi Heli applied for three utility model patents: a maintenance free tooth guard rail wheel, a maintenance free double tooth rail wheel set, and a tooth rail wheel with interference connection; an invention patent: a maintenance free tooth guard rail wheel. All four patents were approved. So far, we have more than 30 utility model patents and 2 invention patents.
In order to promote the rapid development of the enterprise, Shaanxi Heli has cooperated with Xi'an Jiaotong University, Shaanxi University of Science and Technology and other universities for many years, making our R&D team continue to increase the strength. At the same time, our company constantly enhance the awareness of protecting intellectual property rights and actively apply for national patents.
The approval of this patent right marks that the technical level of Shaanxi Heli Machinery Co., Ltd. has reached a new stage.
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