DL

DeWitt W. Lampman

PI Ppg Industries: 5 patents #222 of 1,216Top 20%
PW Pittsburgh Glass Works: 2 patents #5 of 19Top 30%
PO Ppg Industries Ohio: 2 patents #525 of 1,316Top 40%
VC Vidrio Plano De México, S.A. De C.V.: 1 patents #18 of 37Top 50%
Overall (All Time): #438,368 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12370778 Automotive glazing for ADAS camera systems Lauren Black, Robert George Sims 2025-07-29
12151970 Solar control thin green glass composition José Guadalupe Cid-Aguilar, David R. Haskins, Michael Ulizio 2024-11-26
11633941 Symmetric glazing for improved sound attenuation Michael Ulizio 2023-04-25
10696021 Asymmetric glazing laminates with high impact resistance Michael Ulizio 2020-06-30
8234883 Apparatus and method for tempering glass sheets William R. Krall, Jr., William R. Siskos, Thomas M. Sailock, Joseph Medzius 2012-08-07
6629436 Apparatus for thermal treatment of glass and method and thermally treated glass therefrom W. Jason Skeen, Rudolph A. Karlo, Steven M. Horcicak, Mark M. Savka, Lawrence S. Letzkus +2 more 2003-10-07
5507852 Glass sheet quench Robert G. Frank, Michael T. Fecik 1996-04-16
4767437 Horizontal press bending using a splitting vacuum/pressure pickup George R. Claassen, Michael T. Fecik 1988-08-30
4749400 Discrete glass sheet cutting Raymond J. Mouly, Gerald E. Kunkle, Jack A. Bricker 1988-06-07
4743284 Ribbon severing support Raymond J. Mouly 1988-05-10
4445921 Tempering glass sheets by cooling comprising sublimation quenching Terry A. Bennett, Herbert W. Eilenfeld 1984-05-01