22,406 Patents Released on March 30, 2011

　 

According to Chinese patent issued on March 30, 2011, a total of 22,406 patents are made public on that day, including 8468 for inventions, 6941 for utility models, and 6997 for designs.
 

The numbers of invention and utility model patents by IPC include: 2393for Class A (agriculture, light industry, and medical care necessary for human life), 3042 for Class B (operation and transport), 1476 for Class C (chemistry and metallurgy), 230 for Class D (textile and paper-making), 841 for Class E (construction, mining, and fixed buildings), 1939 for Class F (mechanical engineering, lighting, heating, weapons, and blasting), 2316 for Class G (physics), and 3172 for Class H (Electricity). For detailed data retrieval, please visit www.english.cnipr.com; and for tailored patent information services, please contact us directly.