KR

Kenneth E. Rozek

Schlumberger Technology: 2 patents #2,609 of 7,293Top 40%
WE Weatherford/Lamb: 2 patents #315 of 852Top 40%
BS Bj Services: 1 patents #126 of 250Top 55%
ST Schlumberger Technical: 1 patents #2 of 8Top 25%
Overall (All Time): #868,375 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7730968 Apparatus for wellbore communication David Hosie, Michael Lynch, Jack Allen, David Pavel, Joe Noske +4 more 2010-06-08
7520333 Hydraulic sleeve valve with position indication, alignment, and bypass Dewayne Turner, Richard J. Ross, Todd Ulrich Chretien 2009-04-21
7413018 Apparatus for wellbore communication David Hosie, Michael Lynch, Jack Allen, David Pavel, Joe Noske +4 more 2008-08-19
6752083 Detonators for use with explosive devices Nolan C. Lerche, James E. Brooks 2004-06-22
5505134 Perforating gun having a plurality of charges including a corresponding plurality of exploding foil or exploding bridgewire initiator apparatus responsive to a pulse of current for simultaneously detonating the plurality of charges James E. Brooks, Nolan C. Lerche, Clifford L. Aseltine, Robert A. Parrott 1996-04-09
5088413 Method and apparatus for safe transport handling arming and firing of perforating guns using a bubble activated detonator Klaus Huber, Nolan C. Lerche, Arnold G. Edwards, Edward G. Smith, Jr. 1992-02-18