Assignee
HARD ROCK HORIZONTAL DIRECTIONAL DRILLING PRODUCTS INC
US·3 granted patents·0 citations·filing 2017–2018
Technology mixE21B3
Top patents by PatentIndex Score
3 records- 0146US10508498B2Hammer reamer for expanding a pilot boreHARD ROCK HORIZONTAL DIRECTIONAL DRILLING PRODUCTS INC·Filed 2018·Granted Dec 17, 2019·0 cites·11 claims
- 0234US10626679B2Bidirectional cluster hammer reamerHARD ROCK HORIZONTAL DIRECTIONAL DRILLING PRODUCTS INC·Filed 2018·Granted Apr 21, 2020·0 cites·9 claims
- 0333US10655392B2Horizontal directional drilling systemHARD ROCK HORIZONTAL DIRECTIONAL DRILLING PRODUCTS INC·Filed 2017·Granted May 19, 2020·0 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when HARD ROCK HORIZONTAL DIRECTIONAL DRILLING PRODUCTS INC files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →