Assignee
PALMER LARRY THOMAS
US·8 granted patents·1 pending application·3 citations·filing 2012–2020
Technology mixE21B9
Top patents by PatentIndex Score
9 records- 0174US11230906B2Locking backpressure valvePALMER LARRY THOMAS·Filed 2020·Granted Jan 25, 2022·1 cites·19 claims
- 0263US9581013B2Apparatus and method for determining orientation of a device and mill position in a wellbore utilizing identification tagsPALMER LARRY THOMAS·Filed 2012·Granted Feb 28, 2017·2 cites·14 claims
- 0351US11215030B2Locking backpressure valve with shiftable valve seatPALMER LARRY THOMAS·Filed 2020·Granted Jan 4, 2022·0 cites·18 claims
- 0449US11215031B2Locking backpressure valve with shiftable valve sleevePALMER LARRY THOMAS·Filed 2020·Granted Jan 4, 2022·0 cites·17 claims
- 0546US11215026B2Locking backpressure valvePALMER LARRY THOMAS·Filed 2020·Granted Jan 4, 2022·0 cites·20 claims
- 0646US11215028B2Locking backpressure valvePALMER LARRY THOMAS·Filed 2020·Granted Jan 4, 2022·0 cites·14 claims
- 0742US11365605B2Locking backpressure valvePALMER LARRY THOMAS·Filed 2020·Granted Jun 21, 2022·0 cites·18 claims
- 0842US2020408065A1Shock resistant circulation subPALMER LARRY THOMAS·Filed 2019·Application pending·0 cites
- 0941US11359460B2Locking backpressure valvePALMER LARRY THOMAS·Filed 2020·Granted Jun 14, 2022·0 cites·18 claims
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