Inventor · disambiguated record
James E. Lange
Also filed as: LANGE JAMES · LANGE JAMES E
9 granted patents·1 pending application·167 citations·filing 1993–2003
89Inventor score
Technology areasE21B
Top patents by PatentIndex Score
10 records- 0157US6739410B2Sonic drill headDIEDRICH DRILL INC·Filed 2002·Granted May 25, 2004·19 cites·38 claims
- 0256US6003619ABack driving automatic hammerFiled 1998·Granted Dec 21, 1999·37 cites·9 claims
- 0353US5782310ADry hollow stem augersFiled 1996·Granted Jul 21, 1998·34 cites·15 claims
- 0449US7182155B2Locking split barrel sampler and soil sampling systemDIEDRICH DRILL INC·Filed 2003·Granted Feb 27, 2007·13 cites·32 claims
- 0548US6073659AMethod and apparatus of removing liquid from underground cavity by directional drillingFiled 1997·Granted Jun 13, 2000·26 cites·11 claims
- 0642US5360072ADrill rig having automatic spindle stopLANGE JAMES E·Filed 1993·Granted Nov 1, 1994·17 cites·9 claims
- 0736US5647442ADrill rig with carrier/mast safety interlockFiled 1995·Granted Jul 15, 1997·14 cites·19 claims
- 0835US2004113340A1Sonic drill headFiled 2003·Application pending·0 cites
- 0933US7182152B2Sampling isolatorDIEDRICH DRILL INC·Filed 2003·Granted Feb 27, 2007·0 cites·17 claims
- 1033US5524713ADrill rig having alternate spindle driveFiled 1994·Granted Jun 11, 1996·7 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →