Robert Dillenbeck has been granted 8 US patents while listed as an inventor at Bj Services . The first was granted in 1993 and the most recent in March 2007. Robert Dillenbeck ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Robert Dillenbeck in Oklahoma City, OK, US.
Patents per Year Patents granted per year, 1993 to 2007 Bar chart with a peak of 2 patents in 1997. peak 2 1993: 1 patents 1993 1997: 2 patents 1997 2003: 1 patents 2003 2004: 2 patents 2004 2006: 1 patents 2006 2007: 1 patents 2007
Issued Patents All Time
Profile Widget
Showing 1–8 of 8 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
7191663 Testing apparatus and method of deriving Young's modulus from tensile stress/strain relationships Virgilio Go Boncan , Murray Rogers , Thomas Heinold 2007-03-20
$62,271,000
7066256 Apparatus and method of detecting interfaces between well fluids Bradley T. Carlson 2006-06-27
$30,417,000
6832652 Ultra low density cementitious slurries for use in cementing of oil and gas wells Thomas Heinold , Murray Rogers , Windal Scott Bray 2004-12-21
$17,847,000
6802373 Apparatus and method of detecting interfaces between well fluids Bradley T. Carlson 2004-10-12
$58,530,000
6508305 Compositions and methods for cementing using elastic particles Harold Dean Brannon , Christopher John Stephenson , Dan Mueller 2003-01-21
$25,286,000
5658380 Composition for controlling the set time of cement — 1997-08-19
5613558 Method for controlling the set time of cement — 1997-03-25
$17,296,000
5232497 Clay control additive for cement compositions and method of cementing Scott G. Nelson , Bobby E. Hall , Dean Porter 1993-08-03
$4,136,000