Inventor · disambiguated record
Alfons Hesse
Also filed as: HESSE ALFONS
28 granted patents·558 citations·filing 1988–2001
97Inventor score
Top patents by PatentIndex Score
28 records- 0172US6012536AMethod for steering a ground-drilling machineTRACTO TECHNIK SCHMIDT SPEZIAL·Filed 1997·Granted Jan 11, 2000·66 cites·29 claims
- 0271US5937954AMethod for directional drillingTRACTO TECHNIK·Filed 1997·Granted Aug 17, 1999·56 cites·18 claims
- 0370US5127481APercussion boring machine for destructive replacement of buried pipelinesTRACTO TECHNIK·Filed 1991·Granted Jul 7, 1992·46 cites·4 claims
- 0466US6644887B2Device for connecting a towed pipe to a towing apparatusTRACTO TECHNIK·Filed 2001·Granted Nov 11, 2003·11 cites·8 claims
- 0566US5096000AProcess and apparatus for laying service lines without excavationSCHMIDT PAUL·Filed 1989·Granted Mar 17, 1992·34 cites·13 claims
- 0662US5876152ARamming drill for destructive replacement of buried pipelinesTRACTO TECHNIK·Filed 1996·Granted Mar 2, 1999·43 cites·11 claims
- 0762US5795991AArrangement of an impact-sensitive device in a housingTRACTO TECHNIK·Filed 1996·Granted Aug 18, 1998·46 cites·16 claims
- 0857US5833015AMethod and apparatus for sinking pipes or cables into a pilot boreholeTRACTO TECHNIK·Filed 1997·Granted Nov 10, 1998·37 cites·25 claims
- 0954US5110237ARamming deviceSCHMIDT PAUL·Filed 1988·Granted May 5, 1992·16 cites·9 claims
- 1051US5125462AQuick-change ram boring headSCHMIDT PAUL·Filed 1989·Granted Jun 30, 1992·20 cites·4 claims
- 1145US6199643B1Method and apparatus for directional boringTRACTO TECHNIK·Filed 1998·Granted Mar 13, 2001·20 cites·10 claims
- 1244US5148878ARam boring machineSCHMIDT PAUL·Filed 1990·Granted Sep 22, 1992·17 cites·10 claims
- 1343US6142244APercussion boring machine with run monitoringTRACTO TECHNIK·Filed 1997·Granted Nov 7, 2000·18 cites·16 claims
- 1443US4953626ARam boring machine having a pull-and-turn reversing gearSCHMIDT PAUL·Filed 1989·Granted Sep 4, 1990·14 cites·14 claims
- 1541US5095998ARam boring machineSCHMIDT PAUL·Filed 1990·Granted Mar 17, 1992·12 cites·2 claims
- 1641US4981181ARam boring machine for laying service lines without excavationSCHMIDT PAUL·Filed 1989·Granted Jan 1, 1991·12 cites·6 claims
- 1736US5960892AAutomatically driven pile driver drilling deviceTRACTO TECHNIK·Filed 1996·Granted Oct 5, 1999·13 cites·10 claims
- 1836US5238072APipe rammerSCHMIDT PAUL·Filed 1990·Granted Aug 24, 1993·7 cites·5 claims
- 1935US6491476B2Method and apparatus for the trenchless laying of pipework undergroundTRACTO TECHNIK·Filed 1999·Granted Dec 10, 2002·9 cites·17 claims
- 2035US6371220B1Pneumatically reversible ram drilling toolTRACTO TECHNIK·Filed 1999·Granted Apr 16, 2002·10 cites·7 claims
- 2135US5954145AReversible percussion piston drill apparatusTRACTO TECHNIK·Filed 1997·Granted Sep 21, 1999·11 cites·10 claims
- 2235US5074364ARam boring machineSCHMIDT PAUL·Filed 1989·Granted Dec 24, 1991·7 cites·5 claims
- 2335US4904116AApparatus for making tunnels in the ground and for laying supply linesSCHMIDT PAUL·Filed 1989·Granted Feb 27, 1990·7 cites·17 claims
- 2434US5558167APercussion boring machineTRACTO TECHNIK·Filed 1993·Granted Sep 24, 1996·7 cites·8 claims
- 2534US5234061APercussion machine, for example self-propelled ram boring machineTRACTO TECHNIK·Filed 1992·Granted Aug 10, 1993·8 cites·13 claims
- 2633US5642786ASecuring and tensioning device for a towing cable connected to a percussion boring machineTRACTO TECHNIK·Filed 1995·Granted Jul 1, 1997·3 cites·15 claims
- 2731US5937956ARam boring machineTRACTO TECHNIK·Filed 1996·Granted Aug 17, 1999·4 cites·7 claims
- 2831US5692576ALocating device for percussion boring machinesTRACTO TECHNIK·Filed 1995·Granted Dec 2, 1997·4 cites·20 claims
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