Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10961810 | Molded composite slip of sheet molded compound for downhole tool | James A. Rochen, Matthew R. Stage | 2021-03-30 |
| 10415335 | Inserts having geometrically separate materials for slips on downhole tool | Nauman H. Mhaskar, James A. Rochen | 2019-09-17 |
| 10087707 | Molded composite slip of sheet molded compound for downhole tool | James A. Rochen, Matthew R. Stage | 2018-10-02 |
| 10016918 | Flow resistant packing element system for composite plug | James A. Rochen, Nauman H. Mhaskar | 2018-07-10 |
| 9725981 | Non-metallic slips having inserts oriented normal to cone face | Stephen Wiese, James A. Rochen | 2017-08-08 |
| 9470060 | Standoff device for downhole tools using slip elements | James A. Rochen | 2016-10-18 |
| 9416617 | Downhole tool having slip inserts composed of different materials | Stephen Wiese, James A. Rochen, Matthew R. Stage | 2016-08-16 |
| 8069918 | Magnetic slip retention for downhole tool | Patrick J. Zimmerman, David Ward | 2011-12-06 |