CC

Charles A. Christopher

Chevron: 5 patents #897 of 4,788Top 20%
BA Bp Corporation North America: 3 patents #84 of 812Top 15%
BL Bp Exploration Operating Company Limited: 1 patents #80 of 168Top 50%
DA Deutsche Texaco Aktiengesellschaft: 1 patents #18 of 46Top 40%
TO The Standard Oil: 1 patents #291 of 601Top 50%
Overall (All Time): #582,207 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7775274 Method for detecting fluid leakage from a subterranean formation Ray Wydrinski 2010-08-17
7600567 Desalination method Ian Ralph Collins, Harry Frampton, Folkert Paul Visser 2009-10-13
7380598 Method for detecting fluid leakage from a subterranean formation Ray Wydrinski 2008-06-03
4457372 Method of recovering petroleum from underground formations Martha S. Doster, Alton J. Nute 1984-07-03
4454772 Method for sampling a fluid from a well Paul J. Brunner, Robert G. Pindell 1984-06-19
4454773 Time interval automatic well multi-phase fluid sampler Paul J. Brunner, Robert G. Pindell 1984-06-19
4428429 Method for sweep improvement utilizing gel-forming lignins Betty J. Felber 1984-01-31
4214475 Adapter for a sensitive viscometer Walter H. Carter, Karl-Heinz Grodde 1980-07-29
4210204 Method for plugging high permeability zones in subterranean reservoirs Alvin O. Clauset, Jr. 1980-07-01