HJ

Henry M. Demarest, Jr.

PI Ppg Industries: 11 patents #84 of 1,216Top 7%
📍 Lower Burrell, PA: #27 of 383 inventorsTop 8%
🗺 Pennsylvania: #7,358 of 74,527 inventorsTop 10%
Overall (All Time): #475,032 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
4920080 Method of making glass with preliminary reaction of batch materials 1990-04-24
4789390 Batch melting vessel lid cooling construction Gerald E. Kunkle, George A. Pecoraro 1988-12-06
4666489 Method and apparatus for feeding a rotating melter 1987-05-19
4634461 Method of melting raw materials for glass or the like with staged combustion and preheating Gerald E. Kunkle, Clement C. Moxie 1987-01-06
4632687 Method of melting raw materials for glass or the like using solid fuels or fuel-batch mixtures Gerald E. Kunkle, Larry J. Shelestak 1986-12-30
4610711 Method and apparatus for inductively heating molten glass or the like Joseph M. Matesa, Kwang-jae Won 1986-09-09
4604121 Method of pretreating glass batch Joseph M. Matesa, Gerald E. Kunkle 1986-08-05
4599100 Melting glass with port and melter burners for NO.sub.x control 1986-07-08
4539030 Method of calcining and liquefying glass batch Joseph M. Matesa 1985-09-03
4519814 Two stage batch liquefaction process and apparatus 1985-05-28
4406683 Method of and apparatus for removing gas inclusions from a molten glass pool 1983-09-27