Issued Patents 2025
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428589 | Synthesis and use of grafted graphene in aqueous drilling fluids as low shear rate viscosity enhancer | Ashok Santra | 2025-09-30 |
| 12391864 | Development of ultra-high molecular weight (UHMW) branched block copolymer shale inhibitor for water based drilling fluid | Sivaprakash Shanmugam, Ashok Santra | 2025-08-19 |
| 12392218 | Additive manufacture of wellbore tubulars | Peter Boul | 2025-08-19 |
| 12384723 | Cement slurries, cured cement and methods of making and use thereof | Sivaprakash Shanmugam, Ashok Santra | 2025-08-12 |
| 12378465 | Development of ultra-high molecular weight (UHMW) branched block copolymer drag reducer with improved mechanical and chemical stability | Sivaprakash Shanmugam, Ashok Santra | 2025-08-05 |
| 12358225 | Additive manufacture-assisted method for making structural elements having controlled failure characteristics | Seyed Mohammad Sajadi, Ashok Kumar Meiyazhagan, Peter Boul, Muhammad M. Rahman, Pulickel M. Ajayan | 2025-07-15 |
| 12351754 | Drilling fluids and methods of making and use thereof | Sivaprakash Shanmugam, Ashok Santra | 2025-07-08 |