Bobby E. Hall has been granted 9 US patents. The first was granted in 1981 and the most recent in January 2012. Bobby E. Hall ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Bobby E. Hall in Duncan, OK, US.
Patents per Year Patents granted per year, 1981 to 2012 Bar chart with a peak of 2 patents in 1981. peak 2 1981: 2 patents 1981 1982: 1 patents 1982 1984: 1 patents 1984 1991: 1 patents 1991 1992: 1 patents 1992 1993: 1 patents 1993 2002: 1 patents 2002 2012: 1 patents 2012
Issued Patents All Time
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Showing 1–9 of 9 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
8101556 Treatment fluids for reduction of water blocks, oil blocks, and/or gas condensates and associated methods Lewis R. Norman , Rajesh Kumar Saini , Anindya Ghosh 2012-01-24
$66,774,000
6409219 Downhole screen with tubular bypass Todd Broome , Benn Voll , Perry D. Baycroft , Elmer R. Peterson 2002-06-25
$38,049,000
5232497 Clay control additive for cement compositions and method of cementing Robert Dillenbeck , Scott G. Nelson , Dean Porter 1993-08-03
$4,136,000
5089151 Fluid additive and method for treatment of subterranean formations Clarita A. Szememyei 1992-02-18
$1,109,000
5054552 Breaker system for aqueous fluids containing xanthan gums Clarita A. Szemenyei , D. V. Satyanarayana Gupta 1991-10-08
$1,131,000
4462718 Oil well treating method and composition Homer C. McLaughlin , Jimmie D. Weaver 1984-07-31
$7,194,000
4330419 Method of and solvent for removing inorganic fluoride deposits Michael L. Walker 1982-05-18
$14,848,000
4304676 Methods and compositions for dissolving silicates in subterranean formations — 1981-12-08
$15,144,000
4288332 Methods and compositions for treating subterranean formations — 1981-09-08
$13,511,000