Inventor
JOHNSON AXEL R
US27 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON AXEL R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
STONE & WEBSTER ENG CORP
20 patentsUS5254788AOct 19, 1993
Process for the production of olefins from light paraffins
STONE & WEBSTER ENG CORP71 citations96
US4615795AOct 7, 1986
Integrated heavy oil pyrolysis process
STONE & WEBSTER ENG CORP91 citations95
US5730859AMar 24, 1998
Process for catalytically cracking paraffin rich feedstocks comprising high and low concarbon components
STONE & WEBSTER ENG CORP74 citations94
US5220093AJun 15, 1993
Process for production of olefins from mixtures of light paraffins
STONE & WEBSTER ENG CORP32 citations93
US4732740AMar 22, 1988
Integrated heavy oil pyrolysis process
STONE & WEBSTER ENG CORP79 citations93
US4552644ANov 12, 1985
Duocracking process for the production of olefins from both heavy and light hydrocarbons
STONE & WEBSTER ENG CORP48 citations92
US4492624AJan 8, 1985
Duocracking process for the production of olefins from both heavy and light hydrocarbons
STONE & WEBSTER ENG CORP29 citations92
US5320741AJun 14, 1994
Combination process for the pretreatment and hydroconversion of heavy residual oils
STONE & WEBSTER ENG CORP106 citations91
US5565176AOct 15, 1996
Catalytically cracking paraffin rich feedstocks comprising high and low concarbon components
STONE & WEBSTER ENG CORP31 citations90
US5435906AJul 25, 1995
Process for catalytically cracking feedstocks paraffin rich comprising high and low concarbon components
STONE & WEBSTER ENG CORP28 citations90
US5976355ANov 2, 1999
Low residence time catalytic cracking process
STONE & WEBSTER ENG CORP17 citations83
US4552645ANov 12, 1985
Process for cracking heavy hydrocarbon to produce olefins and liquid hydrocarbon fuels
STONE & WEBSTER ENG CORP19 citations82
US4318800AMar 9, 1982
Thermal regenerative cracking (TRC) process
STONE & WEBSTER ENG CORP24 citations81
US4765883AAug 23, 1988
Process for the production of aromatics benzene, toluene, xylene (BTX) from heavy hydrocarbons
STONE & WEBSTER ENG CORP19 citations78
US4663019AMay 5, 1987
Olefin production from heavy hydrocarbon feed
STONE & WEBSTER ENG CORP13 citations73
US4370303AJan 25, 1983
Thermal regenerative cracking (TRC) apparatus
STONE & WEBSTER ENG CORP10 citations73
US4906442AMar 6, 1990
Process and apparatus for the production of olefins from both heavy and light hydrocarbons
STONE & WEBSTER ENG CORP17 citations72
US4497638AFeb 5, 1985
Fuel gas generation for solids heating
STONE & WEBSTER ENG CORP3 citations63
US4309272AJan 5, 1982
Sequential thermal cracking process
STONE & WEBSTER ENG CORP3 citations63
US4585544AApr 29, 1986
Hydrocarbon pretreatment process for catalytic cracking
STONE & WEBSTER ENG CORP6 citations59
JOHNSON AXEL R
4 patentsUS9725641B2Aug 8, 2017
Methods fluids by producing and employing oil and gas well drilling and completion fluids as well as hydraulic fracturing fluids employing triglyceride processing by products and propylene glycol recovered from aircraft deicing operations
JOHNSON AXEL R4 citations72
US4268375AMay 19, 1981
Sequential thermal cracking process
JOHNSON AXEL R15 citations72
US11319480B2May 3, 2022
Increased availability and reduced costs for viscoelastic surfactants used in hydrofracturing fluids
JOHNSON AXEL R0 citations61
US10676664B2Jun 9, 2020
Increased availability and reduced costs for viscoelastic surfactants used in hydrofracturing fluids
JOHNSON AXEL R1 citations61