Inventor · disambiguated record
Ardis L. Holte
Also filed as: HOLTE ARDIS L
8 granted patents·3 pending applications·238 citations·filing 1995–2006
90Inventor score
Technology areasE21B
Files withHOLTE ARDIS L2
Top patents by PatentIndex Score
11 records- 0168US6394197B1Reverse circulation drilling system with bit locked underreamer armsFiled 2000·Granted May 28, 2002·28 cites·12 claims
- 0267US6209665B1Reverse circulation drilling system with bit locked underreamer armsFiled 1998·Granted Apr 3, 2001·44 cites·3 claims
- 0363US5957226AReverse circulation drilling system with hexagonal pipe couplingFiled 1998·Granted Sep 28, 1999·46 cites·7 claims
- 0452US5787999ADrill bit with set of underreamer armsFiled 1996·Granted Aug 4, 1998·31 cites·12 claims
- 0550US5975222AReverse circulation drilling system with bit locked underreamer armsFiled 1997·Granted Nov 2, 1999·30 cites·10 claims
- 0649US5511628APneumatic drill with central evacuation outletFiled 1995·Granted Apr 30, 1996·28 cites·5 claims
- 0747US5803192ADrill bit retainer for a down hole hammer assemblyFiled 1996·Granted Sep 8, 1998·25 cites·3 claims
- 0834US2002139585A1Reverse circulation drilling system with bit locked underreamer armsFiled 2002·Application pending·0 cites
- 0933US7185717B2Drill bit assemblyHOLTE ARDIS L·Filed 2004·Granted Mar 6, 2007·6 cites·28 claims
- 1033US2004182607A1Method of forming concrete pilings using a reverse circulation drilling systemFiled 2003·Application pending·0 cites
- 1132US2008129029A1Extensible equipment mastHOLTE ARDIS L·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →