Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D877780 | Directional drilling assembly | Edward C. Spatz, David P. Miess, Gregory Prevost | 2020-03-10 |
| D875146 | Directional drilling assembly | Edward C. Spatz, David P. Miess, Gregory Prevost | 2020-02-11 |
| D875144 | Directional drilling assembly | Edward C. Spatz, David P. Miess, Gregory Prevost | 2020-02-11 |
| D875145 | Directional drilling assembly | Edward C. Spatz, David P. Miess, Gregory Prevost | 2020-02-11 |
| D874237 | Directional drilling assembly | Edward C. Spatz, David P. Miess, Gregory Prevost | 2020-02-04 |
| D874236 | Directional drilling assembly | Edward C. Spatz, David P. Miess, Gregory Prevost | 2020-02-04 |
| D874235 | Directional drilling assembly | Edward C. Spatz, David P. Miess, Gregory Prevost | 2020-02-04 |
| D874234 | Directional drilling assembly | Edward C. Spatz, David P. Miess, Gregory Prevost | 2020-02-04 |
| D863919 | Directional drilling assembly | Edward C. Spatz, David P. Miess, Gregory Prevost | 2019-10-22 |
| 9469914 | Ultrasound assisted electrochemical catalyst removal for superhard materials | Gary M. Thigpen, Federico Bellin | 2016-10-18 |
| 9297732 | Method and apparatus for testing superhard material performance | Alfazazi Dourfaye | 2016-03-29 |
| 9133531 | High energy treatment of cutter substrates having a wear resistant layer | Kelly Malone | 2015-09-15 |
| 8662209 | Backfilled polycrystalline diamond cutter with high thermal conductivity | Alfazazi Dourfaye, William W. King | 2014-03-04 |
| 8561729 | Casing bit and casing reamer designs | William W. King, Steven W. Drews, Ian Kirk | 2013-10-22 |
| 8517123 | Milling cap for a polycrystalline diamond compact cutter | — | 2013-08-27 |
| 8434348 | Synthetic materials for PDC cutter testing or for testing other superhard materials | Federico Bellin, Alfazazi Dourfaye, Gary M. Thigpen | 2013-05-07 |
| 8434346 | Synthetic materials for PDC cutter testing or for testing other superhard materials | Federico Bellin, Alfazazi Dourfaye, Gary M. Thigpen | 2013-05-07 |
| 8434347 | Synthetic materials for PDC cutter testing or for testing other superhard materials | Federico Bellin, Alfazazi Dourfaye, Gary M. Thigpen | 2013-05-07 |
| 8365846 | Polycrystalline diamond cutter with high thermal conductivity | Alfazazi Dourfaye, William W. King | 2013-02-05 |
| 8327944 | Whipstock attachment to a fixed cutter drilling or milling bit | William W. King, Steven W. Drews | 2012-12-11 |
| 8251122 | Compensation grooves to absorb dilatation during infiltration of a matrix drill bit | Gilles Gallego, Anthony Salliou, Scott Buteaud | 2012-08-28 |
| 8252226 | High energy treatment of cutter substrates having a wear resistant layer | Kelly Malone | 2012-08-28 |
| 8079402 | Casting method for matrix drill bits and reamers | Gilles Gallego, Scott Buteaud, Alan K. Harrell, Steven W. Drews | 2011-12-20 |
| 8061408 | Casting method for matrix drill bits and reamers | Gilles Gallego, Scott Buteaud, Alan K. Harrell, Steven W. Drews | 2011-11-22 |
| 8061405 | Casting method for matrix drill bits and reamers | Gilles Gallego, Scott Buteaud, Alan K. Harrell, Steven W. Drews | 2011-11-22 |