Inventor
ZIEROLF JOSEPH A
US10 patents
⚠️ This page may combine multiple inventors who share the name “ZIEROLF JOSEPH A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MARATHON OIL CO
8 patentsUS7014100B2Mar 21, 2006
Process and assembly for identifying and tracking assets
MARATHON OIL CO115 citations98
US6759968B2Jul 6, 2004
Method and apparatus for determining position in a pipe
MARATHON OIL CO219 citations98
US6333699B1Dec 25, 2001
Method and apparatus for determining position in a pipe
MARATHON OIL CO242 citations98
US7714741B2May 11, 2010
Method and system for performing operations and for improving production in wells
MARATHON OIL CO51 citations97
US7400263B2Jul 15, 2008
Method and system for performing operations and for improving production in wells
MARATHON OIL CO40 citations96
US7283061B1Oct 16, 2007
Method and system for performing operations and for improving production in wells
MARATHON OIL CO42 citations96
US8044820B2Oct 25, 2011
Method and system for performing operations and for improving production in wells
MARATHON OIL CO16 citations92
US7677439B2Mar 16, 2010
Process and assembly for identifying and tracking assets
MARATHON OIL CO28 citations92