1) Title: Flexible Concrete based on Metakaolin and Rubber Powder
               Owners: Behfarnia, k., Hasanzade, M. and Etamadi, M.
               Serial No.: A/87-006100
               Invention Registry No.: 68115
               Invention Registry Date: 28. Dec. 2010

2) Title: Flexible Concrete based on Zeolite and Rubber Powder
               Owners: Behfarnia, k., Hasanzade, M. and Etamadi, M.
               Serial No.: A/87-006100
               Invention Registry No.: 68121
               Invention Registry Date: 28. Dec. 2010

3) Title: High Strength Flexible Concrete based on Industrial Wastewater
               Owners: Yahi, N., Behfarnia, K. and Taymoori, M.
               Serial No.: A/87-006100
               Invention Registry No.: 68115
               Invention Registry Date: 28. Dec. 2010

4) Title:  Cement-less Concrete with high compressive strength and high thermal resistance.

               Owners: Behfarnia, k., Shahbaz, M.
               Serial No.: A/89-001474
               Invention Registry No.: 93975
               Invention Registry Date: 22. Oct. 2017