Inventor · disambiguated record
Kelvin P. Self
Also filed as: SELF KELVIN P
19 granted patents·8 pending applications·588 citations·filing 1995–2020
96Inventor score
Files withCHARLES MACHINE WORKS18SELF KELVIN P3CAROTHERS JIM1CHARLES MACHINE WORK INC1CHARLES MACHINES WORKS INC1
Top patents by PatentIndex Score
27 records- 0195US9334627B2Determination of remote control operator positionCHARLES MACHINE WORKS·Filed 2014·Granted May 10, 2016·20 cites·14 claims
- 0295US7890235B2Determination of remote control operator positionCHARLES MACHINE WORKS·Filed 2006·Granted Feb 15, 2011·87 cites·36 claims
- 0391US7389831B2Dual-member auger boring systemCHARLES MACHINE WORKS·Filed 2005·Granted Jun 24, 2008·56 cites·2 claims
- 0489US8868301B2Determination of remote control operator positionSELF KELVIN P·Filed 2011·Granted Oct 21, 2014·21 cites·9 claims
- 0588US7510029B2System for tracking and maintaining an on-grade horizontal boreholeCHARLES MACHINE WORKS·Filed 2006·Granted Mar 31, 2009·20 cites·72 claims
- 0688US6179065B1System and method for automatically controlling a pipe handling system for a horizontal boring machineCHARLES MACHINE WORKS·Filed 1998·Granted Jan 30, 2001·123 cites·115 claims
- 0784US8457828B2Remote control machine with partial or total autonomous controlSELF KELVIN P·Filed 2006·Granted Jun 4, 2013·20 cites·37 claims
- 0882US7353889B1Rotary driven pipe-bursting toolCHARLES MACHINE WORKS·Filed 2005·Granted Apr 8, 2008·11 cites·33 claims
- 0981US12259094B2Pipeline following sensor arrangementCHARLES MACHINE WORKS·Filed 2020·Granted Mar 25, 2025·1 cites·15 claims
- 1079US6550547B1System and method for automatically controlling a pipe handling system for a horizontal boring machineCHARLES MACHINE WORKS·Filed 2002·Granted Apr 22, 2003·49 cites·59 claims
- 1176US7216724B2Coupling for dual member pipeCHARLES MACHINE WORKS·Filed 2004·Granted May 15, 2007·46 cites·39 claims
- 1275US7654340B2Directional reaming systemCHARLES MACHINE WORKS·Filed 2007·Granted Feb 2, 2010·13 cites·45 claims
- 1375US7111693B1System and method for locating and tracking a boring toolCHARLES MACHINE WORKS·Filed 2003·Granted Sep 26, 2006·39 cites·40 claims
- 1474US5684466AElectrical strike system control for subsurface boring equipmentCHARLES MACHINE WORK INC·Filed 1995·Granted Nov 4, 1997·46 cites·29 claims
- 1569US7896107B2System for tracking and maintaining on on-grade horizontal boreholeCHARLES MACHINE WORKS·Filed 2009·Granted Mar 1, 2011·8 cites·10 claims
- 1664US7373993B2System and method for locating and tracking a boring toolCHARLES MACHINE WORKS·Filed 2006·Granted May 20, 2008·7 cites·47 claims
- 1754US8191653B2System and method for tracking and maintaining an on-grade horizontal boreholeGUNSAULIS FLOYD R·Filed 2011·Granted Jun 5, 2012·1 cites·19 claims
- 1853US7195079B2Directional reaming systemCHARLES MACHINE WORKS·Filed 2004·Granted Mar 27, 2007·13 cites·47 claims
- 1951US2009095946A1Silt Fence System And Method Of ManufactureCHARLES MACHINE WORKS·Filed 2008·Application pending·0 cites
- 2049US2007253781A1Cable Injector And Puller For Pipe BurstingCHARLES MACHINES WORKS INC·Filed 2007·Application pending·0 cites
- 2148US2009185865A1Soft excavation potholing method and apparatusCHARLES MACHINE WORKS·Filed 2006·Application pending·0 cites
- 2244US2016018133A1Folded Ground Coupled Heat Exchange System And Method Of InstallationSELF KELVIN P·Filed 2012·Application pending·0 cites
- 2342US2006157276A1Pipe burster with spherical bursting memberCAROTHERS JIM·Filed 2004·Application pending·0 cites
- 2439US2018306385A1Parallel Utility Installation Apparatus And MethodCHARLES MACHINE WORKS·Filed 2018·Application pending·0 cites
- 2538US2005102866A1Multi-function work machineFiled 2004·Application pending·0 cites
- 2633US2009183917A1System and apparatus for locating and avoiding an underground obstacleCHARLES MACHINE WORKS·Filed 2006·Application pending·0 cites
- 2731US5553676AReversible expanderFiled 1995·Granted Sep 10, 1996·7 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →