Inventor · disambiguated record
Gerald A. Stangl
Also filed as: STANGL GERALD A
9 granted patents·1 pending application·316 citations·filing 1987–2011
90Inventor score
Top patents by PatentIndex Score
10 records- 0191US4907658APercussive mole boring device with electronic transmitterGAS RES INST·Filed 1988·Granted Mar 13, 1990·119 cites·7 claims
- 0289US4834193AEarth boring apparatus and method with control valveGAS RES INST·Filed 1987·Granted May 30, 1989·96 cites·31 claims
- 0388US7510029B2System for tracking and maintaining an on-grade horizontal boreholeCHARLES MACHINE WORKS·Filed 2006·Granted Mar 31, 2009·20 cites·72 claims
- 0475US7654340B2Directional reaming systemCHARLES MACHINE WORKS·Filed 2007·Granted Feb 2, 2010·13 cites·45 claims
- 0575US7111693B1System and method for locating and tracking a boring toolCHARLES MACHINE WORKS·Filed 2003·Granted Sep 26, 2006·39 cites·40 claims
- 0669US7896107B2System for tracking and maintaining on on-grade horizontal boreholeCHARLES MACHINE WORKS·Filed 2009·Granted Mar 1, 2011·8 cites·10 claims
- 0764US7373993B2System and method for locating and tracking a boring toolCHARLES MACHINE WORKS·Filed 2006·Granted May 20, 2008·7 cites·47 claims
- 0854US8191653B2System and method for tracking and maintaining an on-grade horizontal boreholeGUNSAULIS FLOYD R·Filed 2011·Granted Jun 5, 2012·1 cites·19 claims
- 0953US7195079B2Directional reaming systemCHARLES MACHINE WORKS·Filed 2004·Granted Mar 27, 2007·13 cites·47 claims
- 1031US2004028476A1System and method for automatically drilling and backreaming a horizontal bore undergroundCHARLES MACHINE WORKS·Filed 2003·Application pending·0 cites
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