Inventor · disambiguated record
Alan L. Nackerud
Also filed as: NACKERUD ALAN L · NACKERUD ALAN LIEF
9 granted patents·3 pending applications·220 citations·filing 1994–2015
88Inventor score
Top patents by PatentIndex Score
12 records- 0186US5494121ACavern well completion method and apparatusFiled 1994·Granted Feb 27, 1996·119 cites·17 claims
- 0283US6454024B1Replaceable drill bit assemblyFiled 2000·Granted Sep 24, 2002·62 cites·29 claims
- 0360US8272458B2Drill bit with replaceable blade membersNACKERUD ALAN L·Filed 2009·Granted Sep 25, 2012·7 cites·15 claims
- 0455US8225884B2Rotor underreamer, section mill, casing cutter, casing scraper and drill string centralizerNACKERUD ALAN L·Filed 2009·Granted Jul 24, 2012·5 cites·19 claims
- 0553US6695074B2Method and apparatus for enlarging well boresFiled 2001·Granted Feb 24, 2004·13 cites·29 claims
- 0644US6959774B2Drilling apparatusNACKERUD ALAN L·Filed 2003·Granted Nov 1, 2005·9 cites·24 claims
- 0742US8978790B2Retention of cutters in bore hole toolsNACKERUD ALAN L·Filed 2011·Granted Mar 17, 2015·0 cites·3 claims
- 0842US6691803B2Drill bit assembly having pivotal cutter bladesFiled 2001·Granted Feb 17, 2004·5 cites·29 claims
- 0942US2015361741A1High Pressure Downhole Pump AssemblyNACKERUD ALAN L·Filed 2014·Application pending·0 cites
- 1037US6978848B2Method and apparatus for penetrating subsurface formationsNACKERUD ALAN L·Filed 2003·Granted Dec 27, 2005·0 cites·13 claims
- 1136US2011017515A1Bore hole tool with magnetic blade retentionNACKERUD ALAN L·Filed 2010·Application pending·0 cites
- 1234US2016376878A1Projectile tool with rotatable bladesNACKERUD ALAN LIEF·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Alan L. Nackerud files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →