Willard M. Haunschild

Chevron: 2 patents #1,772 of 4,788Top 40%

📍 Walnut Creek, CA: #476 of 1,300 inventorsTop 40%

🗺 California: #149,087 of 386,348 inventorsTop 40%

Overall (All Time): #1,660,381 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5090637	Helium purification system for lighter-than-air aircraft	—	1992-02-25
4624748	Catalyst system for use in a distillation column reactor	—	1986-11-25
4417974	Riser cracking of catalyst-deactivating feeds	—	1983-11-29