The broken lines in the drawings are directed to unclaimed portions of the drill bit cutter element. Accordingly, the broken lines form no part of the claimed design.
The broken lines in the drawings are directed to unclaimed portions of the drill bit cutter element. Accordingly, the broken lines form no part of the claimed design.
Number | Name | Date | Kind |
---|---|---|---|
3388757 | Fittinger | Jun 1968 | A |
6045440 | Johnson | Apr 2000 | A |
7726420 | Shen | Jun 2010 | B2 |
10125552 | Zhao | Nov 2018 | B2 |
20170030144 | Rahmani | Feb 2017 | A1 |
20180291690 | Rahmani | Oct 2018 | A1 |
20190063160 | Drews | Feb 2019 | A1 |
20190330928 | Graham | Oct 2019 | A1 |
20200347680 | Tian | Nov 2020 | A1 |
20210131268 | Rahmani | May 2021 | A1 |
20210172258 | Graham | Jun 2021 | A1 |
20220003046 | Yu | Jan 2022 | A1 |
20230203892 | Webb | Jun 2023 | A1 |
Number | Date | Country |
---|---|---|
180802 | Sep 2020 | CA |
Entry |
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New-generation shaped cutter elements expand capabilities of PDC bits, posted Mar. 6, 2019 [online], [retrieved Jul. 24, 2024]. Retrieved from internet, https://drillingcontractor.org/new-generation-shaped-cutter-elements-expand-capabilities-of-pdc-bits-to-boost-rop-efficiency-51072 (Year: 2019). |