Apparatus for measuring streaming potentials and determining earth formation characteristics, patent No. 8,302,687, invented by Min-Yi Chen of Bountiful, Bhavani Raghuraman of Wilton, Conn., Ian Bryant of Houston, Texas, Michael G. Supp of Exeter, N.H., and Jose Navarro of Oslo, Norway, assigned to Schlumberger Technology Corp. of Sugar Land, Texas.
Apparatus and method for installing ground anchoring systems, patent No. 8,302,706, invented by Ben L. Seegmiller of Salt Lake City.
Rotational drill wrenches and drilling apparatuses including the same, patent No. 8,302,708, invented by E. Sean Cox of Spanish Fork, and Russell Roy Myers of Provo, assigned to Dover BMCS Acquisition Corp. of Orem.
Power train handler, patent No. 8,302,738, invented by Roger Chris Sorensen of Brigham City.
Friction stir welding using a superabrasive tool, patent No. 8,302,834, invented by Tracy W. Nelson of Provo, Carl D. Sorensen of Provo, Scott M. Packer of Alpine, and Paul Allen Felter of Layton, assigned to MegaStar Technologies LLC of Provo.
Camp lantern tree stand, patent No. 8,302,922, invented by Kevin Robinson of Cedar City.
Six link front derailleur, patent No. 8,303,443, invented by Christopher A. Wickliffe of Ogden, and Eldon L. Goates of Colorado Springs, Colo., assigned to Wick Werks LLC of Ogden.
Eccentric dual stepping gear roller bearing system, patent No. 8,303,450, invented by Paul G. McKinnon of Brigham City.
Everett Robinson, an attorney registered with the U.S. Patent and Trademark Office, compiles this list weekly for The Salt Lake Tribune. Robinson can be reached at 801-649-5858. For more patents, see the Money page at sltrib.com, go to Sections on the left-hand side and click Patents.