Butuc; Stefan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Butuc; Stefan.The latest application filed is for "stator compound having an azide cured elastomeric base and stators and downhole motors using the same".
- Butuc; Stefan - Houston TX
- Butuc; Stefan - The Woodlands TX US
| Patent | Date |
|---|---|
| Stator Compound Having an Azide Cured Elastomeric Base and Stators and Downhole Motors Using the Same App 20210171724 - Butuc; Stefan ; et al. | 2021-06-10 |
| Enhanced elastomeric stator insert via reinforcing agent distribution and orientation Grant 8,944,789 - Butuc , et al. February 3, 2 | 2015-02-03 |
| Enhanced Elastomeric Stator Insert Via Reinforcing Agent Distribution And Orientation App 20120148432 - BUTUC; Stefan ; et al. | 2012-06-14 |
| Annular BOP packing unit Grant 8,176,933 - Huff , et al. May 15, 2 | 2012-05-15 |
| Revised cure cycle for annular packing units Grant 7,736,556 - Butuc , et al. June 15, 2 | 2010-06-15 |
| Bop Packing Units Selectively Treated With Electron Beam Radiation And Related Methods App 20100140516 - Butuc; Stefan | 2010-06-10 |
| Annular Bop Packing Unit App 20080066906 - Huff; Philip A. ; et al. | 2008-03-20 |
| Revised Cure Cycle For Annular Packing Units App 20080023865 - Butuc; Stefan ; et al. | 2008-01-31 |
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