HC

H. Bruce Claflin

📍 Upland, CA: #94 of 401 inventorsTop 25%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,626,740 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6030430 Blast furnace with narrowed top section and method of using John Jasbinsek 2000-02-29
4495054 Method of operating a blast furnace to extract carbonaceous oil and gas from bituminous materials 1985-01-22
4381938 Multi-purpose zone controlled blast furnace and method of producing hot metal, gases and slags 1983-05-03