Inventor
HEYSE JOHN V
US27 patents
⚠️ This page may combine multiple inventors who share the name “HEYSE JOHN V”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEVRON CHEM CO
13 patentsUS5723707AMar 3, 1998
Dehydrogenation processes, equipment and catalyst loads therefor
CHEVRON CHEM CO52 citations95
US5676821AOct 14, 1997
Method for increasing carburization resistance
CHEVRON CHEM CO53 citations95
US5674376AOct 7, 1997
Low sufur reforming process
CHEVRON CHEM CO35 citations95
US5863418AJan 26, 1999
Low-sulfur reforming process
CHEVRON CHEM CO46 citations94
US5866743AFeb 2, 1999
Hydrodealkylation processes
CHEVRON CHEM CO40 citations92
US5849969ADec 15, 1998
Hydrodealkylation processes
CHEVRON CHEM CO33 citations92
US5658452AAug 19, 1997
Increasing production in hydrocarbon conversion processes
CHEVRON CHEM CO33 citations92
US5593571AJan 14, 1997
Treating oxidized steels in low-sulfur reforming processes
CHEVRON CHEM CO38 citations92
US5833838ANov 10, 1998
Cracking processes
CHEVRON CHEM CO22 citations91
US5575902ANov 19, 1996
Cracking processes
CHEVRON CHEM CO27 citations91
US6019943AFeb 1, 2000
Diffusion barriers for preventing high temperature hydrogen attack
CHEVRON CHEM CO22 citations89
US5807842ASep 15, 1998
Hydrocarbon processing in equipment having increased halide stree-corrosion cracking resistance
CHEVRON CHEM CO27 citations89
US5648178AJul 15, 1997
Reactor system steel portion
CHEVRON CHEM CO12 citations72
CHEVRON PHILLIPS CHEMICAL CO
5 patentsUS6548030B2Apr 15, 2003
Apparatus for hydrocarbon processing
CHEVRON PHILLIPS CHEMICAL CO39 citations95
US6274113B1Aug 14, 2001
Increasing production in hydrocarbon conversion processes
CHEVRON PHILLIPS CHEMICAL CO69 citations95
US6602483B2Aug 5, 2003
Increasing production in hydrocarbon conversion processes
CHEVRON PHILLIPS CHEMICAL CO17 citations92
USRE38532EJun 8, 2004
Hydrodealkylation processes
CHEVRON PHILLIPS CHEMICAL CO5 citations62
US6258256B1Jul 10, 2001
Cracking processes
CHEVRON PHILLIPS CHEMICAL CO5 citations61
CHEVRON RES & TECH
4 patentsUS5413700AMay 9, 1995
Treating oxidized steels in low-sulfur reforming processes
CHEVRON RES & TECH48 citations96
US5406014AApr 11, 1995
Dehydrogenation processes, equipment and catalyst loads therefor
CHEVRON RES & TECH51 citations95
US5405525AApr 11, 1995
Treating and desulfiding sulfided steels in low-sulfur reforming processes
CHEVRON RES & TECH37 citations92
US5279998AJan 18, 1994
Zeolitic catalyst
CHEVRON RES & TECH10 citations74