CC

Chen-Kang Chen

HS Halliburton Energy Services: 12 patents #553 of 4,711Top 15%
NU Numar: 4 patents #4 of 25Top 20%
RA Rambus: 3 patents #270 of 549Top 50%
DI Dresser Industries: 2 patents #157 of 787Top 20%
BT Baroid Technology: 1 patents #36 of 87Top 45%
📍 Cupertino, CA: #743 of 6,989 inventorsTop 15%
🗺 California: #25,620 of 386,348 inventorsTop 7%
Overall (All Time): #190,196 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
12353283 Serial presence detect reliability Aws Shallal 2025-07-08
12067261 Serial presence detect logging Aws Shallal 2024-08-20
11977442 Serial presence detect reliability Aws Shallal 2024-05-07
8011446 Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell Glenda Wylie, Frank Zamora, Beegamudre N. Murali, James B. Terry, Lance E. Brothers +14 more 2011-09-06
7621343 Steerable drilling system and method Thomas M. Gaynor, Daniel D. Gleitman, John Hardin, Colin Walker, M. Vikram Rao +1 more 2009-11-24
7571777 Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell Glenda Wylie, Frank Zamora, Beegamudre N. Murali, James B. Terry, Lance E. Brothers +14 more 2009-08-11
7334649 Drilling with casing M. Vikram Rao 2008-02-26
7225879 Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell Glenda Wylie, Frank Zamora, Beegamudre N. Murali, James B. Terry, Lance E. Brothers +14 more 2007-06-05
7213643 Expanded liner system and method Daniel D. Gleitman, M. Vikram Rao 2007-05-08
7147066 Steerable drilling system and method Thomas M. Gaynor, Daniel D. Gleitman, John Hardin, Colin Walker, M. Vikram Rao +1 more 2006-12-12
7082821 Method and apparatus for detecting torsional vibration with a downhole pressure sensor Paul Beene 2006-08-01
6877570 Drilling with casing M. Vikram Rao 2005-04-12
6848518 Steerable underreaming bottom hole assembly and method William H. Smith 2005-02-01
6825659 Method and apparatus for nuclear magnetic resonance measuring while drilling Manfred G. Prammer, James H. Dudley, Peter Masak, George David Goodman, Marian Morys +5 more 2004-11-30
6581699 Steerable drilling system and method Thomas M. Gaynor, Daniel D. Gleitman, John Hardin, Colin Walker, M. Vikram Rao +1 more 2003-06-24
6583621 Method and apparatus for nuclear magnetic resonance measuring while drilling Manfred G. Prammer, James H. Dudley, Peter Masak, George David Goodman, Marian Morys +5 more 2003-06-24
6470977 Steerable underreaming bottom hole assembly and method William H. Smith 2002-10-29
6362619 Method and apparatus for nuclear magnetic resonance measuring while drilling Manfred G. Prammer, James H. Dudley, Peter Masak, George David Goodman, Marian Morys +5 more 2002-03-26
6269892 Steerable drilling system and method Roger Boulton, Thomas Gaynor, M. Vikram Rao 2001-08-07
6268726 Method and apparatus for nuclear magnetic resonance measuring while drilling Manfred G. Prammer, James H. Dudley, Peter Masak, George David Goodman, Marian Morys +5 more 2001-07-31
6065219 Method and apparatus for determining the shape of an earth borehole and the motion of a tool within the borehole Carey R. Murphey, Georgios L. Varsamis, Laurence T. Wisniewski 2000-05-23
5864058 Detecting and reducing bit whirl 1999-01-26