Patent certificate
Dongde Industrial has applied for more than 331 related technology patents, including 106 invention patents, 12 software copyrights, 6 PCT patents, and 3 copyrights, especially in the design technology and development of Roots hydrogen circulating pumps, forming an intensive The patent network realizes the protection of intellectual property rights. The company organized and drafted relevant industry standards for "Technical Conditions for Hydrogen Circulation Pumps for Fuel Cells" and "Technical Conditions for Air Compressors for Fuel Cells" to fill the gaps in the national standards in the hydrogen energy industry. In 2020, it participated in the group standard of "Hydrogen Fuel Cell Centrifugal Air Compressor". In addition, 2 SCI papers on hydrogen circulating pump were published, which filled the domestic blank. In June 2021, it passed the national intellectual property system certification and is one of the first companies in the hydrogen energy field to pass the intellectual property management system certification.
