Inventor
HEYWOOD JOHN B
US39 patents
⚠️ This page may combine multiple inventors who share the name “HEYWOOD JOHN B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MASSACHUSETTS INST TECHNOLOGY
30 patentsUS7444987B2Nov 4, 2008
Fuel management system for variable anti-knock agent octane enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY87 citations99
US7314033B2Jan 1, 2008
Fuel management system for variable ethanol octane enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY78 citations99
US7225787B2Jun 5, 2007
Optimized fuel management system for direct injection ethanol enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY208 citations99
US6655324B2Dec 2, 2003
High compression ratio, hydrogen enhanced gasoline engine system
MASSACHUSETTS INST TECHNOLOGY93 citations98
US8857410B2Oct 14, 2014
Fuel management system for variable ethanol octane enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY16 citations96
US8733321B2May 27, 2014
Fuel management system for variable ethanol octane enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY18 citations96
US7971572B2Jul 5, 2011
Fuel management system for variable ethanol octane enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY17 citations96
US7841325B2Nov 30, 2010
Fuel management system for variable ethanol octane enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY23 citations96
US7762233B2Jul 27, 2010
Fuel management system for variable ethanol octane enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY30 citations96
US7640915B2Jan 5, 2010
Fuel management system for variable ethanol octane enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY38 citations96
US10221783B2Mar 5, 2019
Optimized fuel management system for direct injection ethanol enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY15 citations94
US10344689B2Jul 9, 2019
Fuel management system for variable ethanol octane enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY8 citations93
US10138826B2Nov 27, 2018
Fuel management system for variable ethanol octane enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY10 citations93
US9810166B2Nov 7, 2017
Fuel management system for variable ethanol octane enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY12 citations93
US9708965B2Jul 18, 2017
Optimized fuel management system for direct injection ethanol enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY16 citations93
US9695784B2Jul 4, 2017
Fuel management system for variable ethanol octane enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY11 citations93
US9255519B2Feb 9, 2016
Fuel management system for variable ethanol octane enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY13 citations93
US8707913B2Apr 29, 2014
Fuel management system for variable ethanol octane enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY13 citations93
US8522746B2Sep 3, 2013
Fuel management system for variable ethanol octane enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY13 citations93
US7028644B2Apr 18, 2006
High compression ratio, hydrogen enhanced engine system
MASSACHUSETTS INST TECHNOLOGY33 citations93
US8353269B2Jan 15, 2013
Spark ignition engine that uses intake port injection of alcohol to extend knock limits
MASSACHUSETTS INST TECHNOLOGY33 citations89
US11053870B2Jul 6, 2021
Optimized fuel management system for direct injection ethanol enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY3 citations84
US10781760B2Sep 22, 2020
Optimized fuel management system for direct injection ethanol enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY5 citations84
US10619580B2Apr 14, 2020
Optimized fuel management system for direct injection ethanol enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY7 citations84
US8997711B2Apr 7, 2015
Fuel management system for variable ethanol octane enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY3 citations74
US11359559B2Jun 14, 2022
Optimized fuel management system for direct injection ethanol enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY1 citations73
US11168625B2Nov 9, 2021
Optimized fuel management system for direct injection ethanol enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY2 citations73
US11067012B2Jul 20, 2021
Optimized fuel management system for direct injection ethanol enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY2 citations73
US11643985B2May 9, 2023
Optimized fuel management system for direct injection ethanol enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY0 citations63
US10711712B2Jul 14, 2020
Fuel management system for variable ethanol octane enhancement of gasoline engines
MASSACHUSETTS INST TECHNOLOGY0 citations63
COHN DANIEL R
6 patentsUS8302580B2Nov 6, 2012
Fuel management system for variable ethanol octane enhancement of gasoline engines
COHN DANIEL R17 citations96
US8276565B2Oct 2, 2012
Fuel management system for variable ethanol octane enhancement of gasoline engines
COHN DANIEL R17 citations96
US8171915B2May 8, 2012
Fuel management system for variable ethanol octane enhancement of gasoline engines
COHN DANIEL R16 citations96
US8146568B2Apr 3, 2012
Fuel management system for variable ethanol octane enhancement of gasoline engines
COHN DANIEL R34 citations96
US8069839B2Dec 6, 2011
Fuel management system for variable ethanol octane enhancement of gasoline engines
COHN DANIEL R25 citations96
US8468983B2Jun 25, 2013
Optimized fuel management system for direct injection ethanol enhancement of gasoline engines
COHN DANIEL R19 citations92