The broken lines in the drawings illustrate portions of the directional drilling assembly that form no part of the claimed design.
The broken lines in the drawings illustrate portions of the directional drilling assembly that form no part of the claimed design.
Number | Name | Date | Kind |
---|---|---|---|
2919897 | Sims | Jan 1960 | A |
3561549 | Garrison et al. | Feb 1971 | A |
4465147 | Feenstra et al. | Aug 1984 | A |
4485879 | Kamp et al. | Dec 1984 | A |
4729438 | Walker et al. | Mar 1988 | A |
4848490 | Anderson | Jul 1989 | A |
6073707 | Noe et al. | Jun 2000 | A |
6722453 | Crooks | Apr 2004 | B1 |
8162081 | Ballard et al. | Apr 2012 | B2 |
D710174 | Moss | Aug 2014 | S |
D710175 | Moss | Aug 2014 | S |
D710176 | Santamarina | Aug 2014 | S |
D713706 | Jing | Sep 2014 | S |
D717626 | Dickrede | Nov 2014 | S |
D731277 | Manwaring | Jun 2015 | S |
D732364 | Rinaldis | Jun 2015 | S |
9163460 | Isenhour et al. | Oct 2015 | B2 |
D786645 | Svendsen | May 2017 | S |
D793831 | Russell | Aug 2017 | S |
D793832 | Russell | Aug 2017 | S |
D793833 | Russell | Aug 2017 | S |
D813003 | Chang | Mar 2018 | S |
9963938 | Foote et al. | May 2018 | B2 |
Entry |
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