CW

Cletus N. Welch

PI Ppg Industries: 12 patents #70 of 1,216Top 6%
PO Ppg Industries Ohio: 6 patents #231 of 1,316Top 20%
TO Transitions Optical: 3 patents #49 of 143Top 35%
📍 Wilmington, OH: #5 of 170 inventorsTop 3%
🗺 Ohio: #3,102 of 73,341 inventorsTop 5%
Overall (All Time): #211,519 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
6998072 Photochromic polymerizable compositions Eric M. King, Lawrence G. Anderson, Randy E. Daughenbaugh, Kevin J. Stewart 2006-02-14
6916537 Articles having a photochromic polymeric coating Eric M. King, Lawrence G. Anderson, Randy E. Daughenbaugh, Kevin J. Stewart 2005-07-12
6602603 Poly(meth)acrylic photochromic coating Robert W. Walters, David T. McKeough, Eric M. King 2003-08-05
6506488 Aminoplast resin photochromic coating composition and photochromic articles Kevin J. Stewart, Jeanine A. Conklin, James B. O'Dwyer, Shanti Swarup 2003-01-14
6436525 Polyanhydride photochromic coating composition and photochromic articles Robert W. Walters, Shanti Swarup 2002-08-20
6432544 Aminoplast resin photochromic coating composition and photochromic articles Kevin J. Stewart, Jeanine A. Conklin, James B. O'Dwyer, Shanti Swarup 2002-08-13
6268055 Photochromic epoxy resin coating composition and articles having such a coating Robert W. Walters, John W. Burgman, Debra L. Singer, Shanti Swarup 2001-07-31
6060001 Alkoxyacrylamide photochromic coatings compositions and photochromic articles Shanti Swarup 2000-05-09
5391327 Photochromic compositions of improved fatigue resistance John S. Ligas, Michael S. Misura 1995-02-21
5185390 Water strippable photochromic resin composition Scott James Fischer 1993-02-09
5130353 Method for preparing photochromic plastic article Scott James Fischer 1992-07-14
4880667 Photochromic plastic article and method for preparing same 1989-11-14
4675357 Near infrared absorbing polymerizate 1987-06-23
4396473 Cathode prepared by electro arc spray metallization, electro arc spray metallization method of preparing a cathode, and electrolysis with a cathode prepared by electro arc spray metallization Gary N. Hughes 1983-08-02
4390512 Process for producing calcium hypochlorite Clifford E. Loehr, Roger A. Crawford, John E. Carbaugh 1983-06-28
4328200 Process for producing calcium hypochlorite Clifford E. Loehr, Roger A. Crawford, John E. Carbaugh 1982-05-04
4323595 Nickel-molybdenum cathode John O. Snodgrass 1982-04-06
4312738 Cathode electrocatalysts for solid polymer electrolyte chlor-alkali cells 1982-01-26
4253922 Cathode electrocatalysts for solid polymer electrolyte chlor-alkali cells 1981-03-03
4251478 Porous nickel cathode John O. Snodgrass 1981-02-17
4248679 Electrolysis of alkali metal chloride in a cell having a nickel-molybdenum cathode John O. Snodgrass 1981-02-03