Inventor · disambiguated record
Bradley S. Marshall
Also filed as: MARSHALL BRADLEY S
11 granted patents·2 pending applications·138 citations·filing 2004–2024
89Inventor score
Top patents by PatentIndex Score
13 records- 0195US8981780B2Dipole locator using multiple measurement pointsCHARLES MACHINE WORKS·Filed 2013·Granted Mar 17, 2015·16 cites·18 claims
- 0295US7786731B2Dipole locator using multiple measurement pointsCHARLES MACHINE WORKS·Filed 2006·Granted Aug 31, 2010·47 cites·15 claims
- 0393US8497684B2Dipole locator using multiple measurement pointsCOLE SCOTT B·Filed 2010·Granted Jul 30, 2013·21 cites·9 claims
- 0489US11639661B2Augmented reality system for use in horizontal directional drilling operationsCHARLES MACHINE WORKS·Filed 2020·Granted May 2, 2023·3 cites·21 claims
- 0576US2025003316A1Downhole energy harvesting systemCHARLES MACHINE WORKS·Filed 2024·Application pending·0 cites
- 0673US12091942B2Downhole energy harvesting systemCHARLES MACHINE WORKS·Filed 2023·Granted Sep 17, 2024·0 cites·21 claims
- 0770US12049816B2Augmented reality system for use in horizontal directional drilling operationsCHARLES MACHINE WORKS·Filed 2023·Granted Jul 30, 2024·0 cites·20 claims
- 0869USD914706SDisplay screen with graphical user interfaceCHARLES MACHINE WORKS·Filed 2019·Granted Mar 30, 2021·13 cites·1 claims
- 0968US7150331B2System and method for tracking and communicating with a boring toolCHARLES MACHINE WORKS·Filed 2004·Granted Dec 19, 2006·30 cites·23 claims
- 1066US7350594B2System and method for tracking and communicating with a boring toolCHARLES MACHINE WORKS·Filed 2006·Granted Apr 1, 2008·8 cites·8 claims
- 1151US11933173B2Utility pipe installation protection systemCHARLES MACHINE WORKS·Filed 2022·Granted Mar 19, 2024·0 cites·23 claims
- 1237US2017022800A1Tracker With Electronic Compass And Method Of UseCHARLES MACHINE WORKS·Filed 2016·Application pending·0 cites
- 1332US11512534B2Method for guiding a downhole tool undergroundCHARLES MACHINE WORKS·Filed 2017·Granted Nov 29, 2022·0 cites·23 claims
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