Inventor · disambiguated record

Ryan Kejr

Also filed as: KEJR RYAN · KEJR RYAN J

2 granted patents·5 citations·filing 2009–2009

49Inventor score

Technology areasE21B

Files withKEJR INC1 KEJR RYAN J1

Top patents by PatentIndex Score

2 records

0140US8342263B2Vibratory drill head mounting and rotation coupling systemKEJR INC·Filed 2009·Granted Jan 1, 2013·3 cites·28 claims
0238US8056640B2Hydraulic head clamp assembly for mobile drill rigKEJR RYAN J·Filed 2009·Granted Nov 15, 2011·2 cites·14 claims

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