William J. Halvorsen

CC Consolidation Coal: 2 patents #7 of 37Top 20%

📍 Pittsburgh, PA: #3,179 of 7,570 inventorsTop 45%

🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%

Overall (All Time): #2,368,926 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4248697	Oil agglomeration process	—	1981-02-03
4244530	Integrated coal cleaning and slurry preparation process	—	1981-01-13