P

Inventor

LETZSCH WARREN S

US6 patents
⚠️ This page may combine multiple inventors who share the name “LETZSCH WARREN S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

STONE & WEBSTER ENG CORP

3 patents
US5766558AJun 16, 1998

Fluid catalytic cracking process and apparatus

STONE & WEBSTER ENG CORP17 citations89
US5723040AMar 3, 1998

Fluid catalytic cracking process and apparatus

STONE & WEBSTER ENG CORP25 citations89
US5662868ASep 2, 1997

Short residence time cracking apparatus and process

STONE & WEBSTER ENG CORP32 citations89

STONE & WEBSTER PROCESS TECH

2 patents
US7479218B2Jan 20, 2009

Deep catalytic cracking process

STONE & WEBSTER PROCESS TECH29 citations90
US6905591B2Jun 14, 2005

Deep catalytic cracking process

STONE & WEBSTER PROCESS TECH12 citations82

DEAN ROBERT R

1 patent
US4415438ANov 15, 1983

Method for catalytically converting residual oils

DEAN ROBERT R41 citations90