ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,689, issued on Jan. 20, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"On-site soil porosity measurement methodology and apparatus" was invented by Mohammed Alshahrani (Dammam, Saudi Arabia), Layan AlSharif (Dhahran, Saudi Arabia) and Naim Dakwar (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-assisted method to monitor soil porosity at a field study site using a portable apparatus, the method including: acquiring a soil sample using a first container; recording a first measurement of a mass and a volume of the soil sample; adding the soil sample to a second container until the soil sample is added i...