Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9416595 | Self-elevating mast employing drive carriage | Anthony Petrello, Padira Reddy, Ashish Gupta | 2016-08-16 |
| 9410382 | Drilling rig carriage movable along racks and including pinions driven by electric motors | Padira Reddy, Ashish Gupta, Todd Fox, Scott G. Boone, Beat Kuttel | 2016-08-09 |
| 9309728 | Drilling rig employing tubular handling device | Padira Reddy, Ashish Gupta | 2016-04-12 |
| 9279267 | Self-elevating mast employing draw works | Anthony Petrello, Padira Reddy, Ashish Gupta | 2016-03-08 |
| 9273524 | Drilling rig carriage movable along racks and including pinions driven by electric motors | Padira Reddy, Ashish Gupta, Richmond Todd Fox, Scott G. Boone, Beat Kuttel | 2016-03-01 |
| 9267341 | Drilling rig employing pivoting drilling tower | Padira Reddy, Ashish Gupta | 2016-02-23 |
| 9242839 | Lift-eye in pocket apparatus and methods | Padira Reddy | 2016-01-26 |
| 8997435 | Self-elevating platform employing actuators | Padira Reddy, Ashish Gupta | 2015-04-07 |
| 8935901 | Self-elevating mast employing draw works | Anthony Petrello, Padira Reddy, Ashish Gupta | 2015-01-20 |
| 8925257 | Self-elevating mast employing drive carriage | Anthony Petrello, Padira Reddy, Ashish Gupta | 2015-01-06 |
| 8839570 | Self-elevating mast employing actuators | Anthony Petrello, Padira Reddy, Ashish Gupta | 2014-09-23 |
| 8701897 | Cable extension module | Gary A. Craig, Padira Reddy | 2014-04-22 |
| 5511109 | Security system using call display | Douglas Hartley, Doan N. Huan | 1996-04-23 |