GRAY JOHN L has a total of 11 patent applications. Its first patent ever was published in 1914. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets basic materials chemistry, civil engineering and chemical engineering are PERMEATOR CORP, PANGA MOHAN K R and DUSTERHOFT RONALD G.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 8 | |
#2 | WIPO (World Intellectual Property Organization) | 2 | |
#3 | Canada | 1 |
# | Industry | |
---|---|---|
#1 | Basic materials chemistry | |
#2 | Civil engineering | |
#3 | Chemical engineering |
# | Technology | |
---|---|---|
#1 | Materials for miscellaneous applications | |
#2 | Earth drilling | |
#3 | Separation |
# | Name | Total Patents |
---|---|---|
#1 | Gray John L | 11 |
#2 | Hartman Allan R | 6 |
#3 | Herzfeld Ronald Michael | 3 |
Publication | Filing date | Title |
---|---|---|
US2010300693A1 | Enzyme Surfactant Fluids Used in Non-Gel Hydraulic Fracturing of Oil Wells | |
US2009288843A1 | Enzyme enhanced oil recovery (EEOR) for waterflooding operations | |
US2009260827A1 | Enzyme enhanced oil recovery (EEOR) for water alternating gas (WAG) systems | |
US2009062153A1 | Enzyme enhanced oil/gas recovery (EEOR/EEGR) using non-gel hydraulic fracturing in hydrocarbon producing wells | |
US2009050325A1 | Enzyme enhanced oil recovery (EEOR) for near wellboretreatment of oil and gas with greater than 50% barrel of oil equivalent (BOE) gas production | |
US1192889A | Apparatus for use in connection with the distillation of petroleum and products therefrom. | |
CA799021A | Antenna systems |