Following the acquisition of four national patents at the beginning of last year, Tang Ke (a pseudonym), a jailer serving prisons, obtained three national patents through the invention of prisons. Today, he has seven national patents.

The prosecutor's office of the prosecutor's office was sent to the prison's prosecutor's office. In the first two days, he received a report from Tang Ke's family: Tang Ke invented a special type of precession-type push-pull door and window lock, a kind of protective decorative net installed on the door and window, and an anti-Hook type. Sliding windows and other products also won 3 national patents.

In 1995, Tang Ke was sentenced to six years imprisonment for the crime of abducting and selling women, and was subsequently sent to jail to serve his sentence.

However, Tang Ke did not feel at ease and served as a prisoner. In September of that year, he fled on the plane of foreign labor.

Since then he has been working with a pseudonym in Chengdu, mainly engaged in aluminum doors and windows business, it has opened a aluminum, steel doors and windows processing plant operators a decoration.

Tang Kecha’s identity as an escapee criminal was discovered. In March 2007, Tang Ke was sentenced to three years’ imprisonment for the crime of escape, plus he had no previous crimes.

After the execution of the completed sentence, it was decided to execute a fixed term of 7 years and 10 months.

Tangke is still serving jail.

The prosecutor in charge learned that Tangko had been engaged in decoration, doors and windows work after he had fled, and he had the skills to encourage him to use his expertise in prisons or to invent something.

At the beginning of 2009, Tangke developed plastic-protected one-piece doors and windows, insulated glass with insulating nets, profiles , insulating nets and insulating glass windows, and successively passed the certification of the State Patent Office and obtained a patent certificate.

At the end of last year, Tang Ke received a criminal award as a tactical activist, production technology backbone, and scientific innovation. He was commuted for 10 months.

The prosecutor in charge said that the current sentence of Tang Ke is less than 3 years.

Tang Ke now has 7 national patents. According to the provisions of the Criminal Law, it conforms to one of the major meritorious achievements of “having inventions or major technological innovations”.

The next step will be to contact the prison authorities to initiate administrative awards and criminal award procedures for Tang Ke.