WH

William C. Hoffman

UT Union Carbide Chemicals & Plastics Technology: 5 patents #105 of 701Top 15%
SA Savin: 4 patents #5 of 61Top 9%
EA E.I. Du Pont De Nemours And: 2 patents #2,942 of 8,010Top 40%
Dow Global Technologies: 2 patents #1,896 of 4,534Top 45%
HA Hughes Aircraft: 1 patents #1,260 of 2,963Top 45%
AR Archer-Daniels-Midland: 1 patents #177 of 334Top 55%
WT Webcraft Technologies: 1 patents #17 of 26Top 70%
📍 Decatur, IL: #11 of 423 inventorsTop 3%
🗺 Illinois: #3,297 of 84,256 inventorsTop 4%
Overall (All Time): #197,125 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
10399064 Rhenium recovery from used reductive amination catalysts Stephen W. King 2019-09-03
9174902 Removal of organic salts from bio-derived glycol products of polyol hydrogenolysis John G. Soper, Chi-Cheng Ma 2015-11-03
8853459 Decolorization of amines Anil J. Mehta, Stephen W. King 2014-10-07
8846205 Hybrid strategies for reducing leaching of metal biocides from biodegradable substrates Brian T. Keen, Kimberly S. Hayson, Albert Ferris Joseph 2014-09-30
8153726 Highly oxygen permeable rigid contact lenses from polyacetylenes 2012-04-10
8124808 Transalkoxylation of nucleophilic compounds Stephen W. King 2012-02-28
8105635 Post-impregnation treatments to improve distribution of metal biocides in an impregnated substrate Kimberly S. Hayson, Albert Ferris Joseph, Brian T. Keen 2012-01-31
7740692 Wood preservative composition Robert W. Grady, Stephen W. King 2010-06-22
5846457 Light filtering contact lens method 1998-12-08
5617154 Light filtering contact lens 1997-04-01
5517867 Liquid extraction apparatus Keith A. Ely, Peter Louis Gebrian 1996-05-21
5440058 Method for separating compounds in process streams John P. Dever 1995-08-08
5337640 Cutter blade assembly Frank W. Arnoth 1994-08-16
4917371 Automatic document feeder and registration system therefor Francis M. Bastow 1990-04-17
4839200 Enhanced resolution ink jet printing Marcelo Lanas, Douglas E. Weiss 1989-06-13
4809969 Automatic document feeder and registration system therefor Francis M. Bastow 1989-03-07
4733959 Apparatus and method for tinting hydrophilic contact lenses Eric Claussen, Lawrence A. Smith, Jr. 1988-03-29
4725053 Automatic document feeder and registration system therefor Francis M. Bastow 1988-02-16
4621799 Automatic document feeder and registration system therefor Francis M. Bastow 1986-11-11
4349817 Liquid crystal display system using fiber optic faceplates John Gunther, William R. Lichty 1982-09-14
4344668 Fiber optic light traps for electro-optical display devices John Gunther, William R. Lichty 1982-08-17
4252397 Insulation piercing electric connector bonded to electric conductor George Thomas Eigenbrode 1981-02-24