IL

Irwin C. Lewis

GH Graftech International Holdings: 20 patents #1 of 101Top 1%
UT Ucar Carbon Technology: 17 patents #1 of 62Top 2%
UC Ucar Carbon Company: 12 patents #1 of 32Top 4%
UC Union Carbide: 9 patents #58 of 1,402Top 5%
AM Amoco: 1 patents #610 of 1,251Top 50%
📍 Strongsville, OH: #4 of 429 inventorsTop 1%
🗺 Ohio: #533 of 73,341 inventorsTop 1%
Overall (All Time): #40,603 of 4,157,543Top 1%
59
Patents All Time

Issued Patents All Time

Showing 26–50 of 59 patents

Patent #TitleCo-InventorsDate
6878331 Manufacture of carbon composites by hot pressing Dai Huang, Richard T. Lewis, David R. Snyder 2005-04-12
6803108 Carbon fiber binder pitch Terrence Pirro 2004-10-12
6800364 Isotropic pitch-based materials for thermal insulation Charles C. Chiu, Ching-Feng Chang 2004-10-05
6699427 Manufacture of carbon/carbon composites by hot pressing Dai Huang, William Cate, Richard T. Lewis 2004-03-02
6440563 Pin for connecting carbon electrodes and process therefor Richard L. Shao, James Kortovich, Richard T. Lewis 2002-08-27
6395220 Carbon fiber binder pitch Terrence Pirro 2002-05-28
6280663 Process of making pins for connecting carbon electrodes Richard L. Shao, James Kortovich, Richard T. Lewis 2001-08-28
6214158 High temperature carbonaceous cement Charles C. Chiu, Richard T. Lewis 2001-04-10
5843298 Method of production of solids-free coal tar pitch Thomas H. Orac, Ching-Feng Chang, Richard L. Shao 1998-12-01
5756062 Chemically modified graphite for electrochemical cells Ronald Greinke 1998-05-26
5688155 Carbon--carbon composites containing poorly graphitizing pitch as a binder and/or impregnant Ronald A. Howard 1997-11-18
5677082 Compacted carbon for electrochemical cells Ronald Greinke 1997-10-14
5639707 Process for the storage of methane with activated carbon Ronald Greinke 1997-06-17
5639576 Heteroatom incorporated coke for electrochemical cell electrode Ronald Greinke 1997-06-17
5607770 Carbon-carbon composites containing poorly graphitizing pitch as a binder and/or impregnant having a reduced coefficient of thermal expansion and improved flexural strength Ronald A. Howard 1997-03-04
5550176 Room temperature setting carbonaceous cement with increased electrical conductivity and flexural strength Terrence Pirro, Ronald Greinke, Richard I. Bretz, Dennis J. Kampe 1996-08-27
5534133 Continuous method for increasing the Q. I. concentration of liquid tar while concurrently producing a Q. I. free tar Ching-Feng Chang, George E. Keller, II, Gary L. Gilleskie, Richard L. Shao 1996-07-09
5501729 Pitch based impregnant for carbon and graphite and method Terrence Pirro 1996-03-26
5476679 Method for making a graphite component covered with a layer of glassy carbon Terrence Pirro, Douglas J. Miller 1995-12-19
5413738 Graphite electrodes and their production Ronald A. Howard 1995-05-09
5373051 Room temperature setting carbonaceous cement with increased oxidation resistance Terrence Pirro, Ronald Greinke, Richard I. Bretz, Dennis J. Kampe 1994-12-13
5280063 Room temperature setting carbonaceous cement Terrence Pirro, Ronald Greinke, Richard I. Bretz, Dennis J. Kampe 1994-01-18
5167796 Method of forming an electrode from a sulfur containing decant oil feedstock Rostislav Didchenko 1992-12-01
5102855 Process for producing high surface area activated carbon Ronald Greinke, David R. Ball 1992-04-07
4971679 Plasticizer and method of preparing pitch for use in carbon and graphite production Terrence Pirro 1990-11-20