John F. Krumwiede

PI Ppg Industries: 2 patents #31 of 184Top 20%

📍 Oakmont, PA: #2 of 10 inventorsTop 20%

🗺 Pennsylvania: #204 of 2,652 inventorsTop 8%

Overall (1982): #11,799 of 81,411Top 15%

Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4350512	Glass melting method using cullet as heat recovery and particulate collection medium	—	1982-09-21
4349367	Method of recovering waste heat from furnace flue gases using a granular heat exchange means	—	1982-09-14