Inventor
LEWIS IRWIN C
US46 patents
⚠️ This page may combine multiple inventors who share the name “LEWIS IRWIN C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GRAFTECH INT HOLDINGS INC
12 patentsUS7785712B2Aug 31, 2010
Carbon foam structural insulated panel
GRAFTECH INT HOLDINGS INC73 citations98
US7972698B2Jul 5, 2011
Carbon foam core panels
GRAFTECH INT HOLDINGS INC25 citations91
US8372510B2Feb 12, 2013
High strength monolithic carbon foam
GRAFTECH INT HOLDINGS INC12 citations84
US7527855B2May 5, 2009
High strength monolithic carbon foam
GRAFTECH INT HOLDINGS INC12 citations84
US8007659B2Aug 30, 2011
Reduced puffing needle coke from coal tar distillate
GRAFTECH INT HOLDINGS INC7 citations83
US8007658B2Aug 30, 2011
Reduced puffing needle coke from coal tar
GRAFTECH INT HOLDINGS INC7 citations83
US8007660B2Aug 30, 2011
Reduced puffing needle coke from decant oil
GRAFTECH INT HOLDINGS INC5 citations73
US7563841B2Jul 21, 2009
Cement for carbon articles
GRAFTECH INT HOLDINGS INC2 citations63
US7413793B2Aug 19, 2008
Induction furnace with unique carbon foam insulation
GRAFTECH INT HOLDINGS INC4 citations63
US10253264B2Apr 9, 2019
Method of producing needle coke for low CTE graphite electrodes
GRAFTECH INT HOLDINGS INC0 citations52
US7758779B2Jul 20, 2010
Reinforced resin-derived carbon foam
GRAFTECH INT HOLDINGS INC1 citations51
US7658902B2Feb 9, 2010
Low CTE highly isotropic graphite
GRAFTECH INT HOLDINGS INC1 citations48
UCAR CARBON TECH
12 patentsUS5476679ADec 19, 1995
Method for making a graphite component covered with a layer of glassy carbon
UCAR CARBON TECH58 citations96
US5102855AApr 7, 1992
Process for producing high surface area activated carbon
UCAR CARBON TECH78 citations95
US6395220B1May 28, 2002
Carbon fiber binder pitch
UCAR CARBON TECH15 citations92
US5607770AMar 4, 1997
Carbon-carbon composites containing poorly graphitizing pitch as a binder and/or impregnant having a reduced coefficient of thermal expansion and improved flexural strength
UCAR CARBON TECH40 citations92
US5501729AMar 26, 1996
Pitch based impregnant for carbon and graphite and method
UCAR CARBON TECH33 citations92
US5413738AMay 9, 1995
Graphite electrodes and their production
UCAR CARBON TECH47 citations92
US5167796ADec 1, 1992
Method of forming an electrode from a sulfur containing decant oil feedstock
UCAR CARBON TECH36 citations91
US5843298ADec 1, 1998
Method of production of solids-free coal tar pitch
UCAR CARBON TECH23 citations88
US5280063AJan 18, 1994
Room temperature setting carbonaceous cement
UCAR CARBON TECH16 citations81
US5534133AJul 9, 1996
Continuous method for increasing the Q. I. concentration of liquid tar while concurrently producing a Q. I. free tar
UCAR CARBON TECH19 citations80
US5550176AAug 27, 1996
Room temperature setting carbonaceous cement with increased electrical conductivity and flexural strength
UCAR CARBON TECH17 citations72
US5373051ADec 13, 1994
Room temperature setting carbonaceous cement with increased oxidation resistance
UCAR CARBON TECH7 citations72
UNION CARBIDE CORP
9 patentsUS4303631ADec 1, 1981
Process for producing carbon fibers
UNION CARBIDE CORP43 citations92
US4402928ASep 6, 1983
Carbon fiber production using high pressure treatment of a precursor material
UNION CARBIDE CORP36 citations91
US4317809AMar 2, 1982
Carbon fiber production using high pressure treatment of a precursor material
UNION CARBIDE CORP43 citations91
US4457828AJul 3, 1984
Mesophase pitch having ellipspidal molecules and method for making the pitch
UNION CARBIDE CORP22 citations82
US4431513AFeb 14, 1984
Methods for producing mesophase pitch and binder pitch
UNION CARBIDE CORP12 citations74
US4971679ANov 20, 1990
Plasticizer and method of preparing pitch for use in carbon and graphite production
UNION CARBIDE CORP13 citations73
US4755276AJul 5, 1988
Nitro-substituted pitch and process for the production thereof
UNION CARBIDE CORP4 citations63
US4465585AAug 14, 1984
Cholesteric mesophase pitch
UNION CARBIDE CORP3 citations63
US4729689AMar 8, 1988
Electrode member and process for the production thereof
UNION CARBIDE CORP6 citations60
UCAR CARBON CO INC
6 patentsUS7264878B2Sep 4, 2007
Laminated carbon foam sandwich for naval decking
UCAR CARBON CO INC29 citations92
US6878331B2Apr 12, 2005
Manufacture of carbon composites by hot pressing
UCAR CARBON CO INC35 citations92
US6699427B2Mar 2, 2004
Manufacture of carbon/carbon composites by hot pressing
UCAR CARBON CO INC44 citations89
US7232606B2Jun 19, 2007
Sealant for high strength carbon foam
UCAR CARBON CO INC14 citations83
US7207424B2Apr 24, 2007
Manufacture of carbon/carbon composites by hot pressing
UCAR CARBON CO INC14 citations80
US6803108B2Oct 12, 2004
Carbon fiber binder pitch
UCAR CARBON CO INC4 citations62
MILLER DOUGLAS J
6 patentsUS9777221B2Oct 3, 2017
Method of producing needle coke for low CTE graphite electrodes
MILLER DOUGLAS J2 citations72
US8747651B2Jun 10, 2014
High coking value pitch
MILLER DOUGLAS J3 citations62
US8658315B2Feb 25, 2014
Reduced puffing needle coke from decant oil
MILLER DOUGLAS J2 citations61
US8530094B2Sep 10, 2013
Reduced puffing needle coke from coal tar distillate
MILLER DOUGLAS J2 citations59
US8828348B2Sep 9, 2014
Reduced puffing needle coke from coal tar
MILLER DOUGLAS J0 citations51
US8440302B2May 14, 2013
Reinforced resin-derived carbon foam
MILLER DOUGLAS J0 citations51