YS

Yul E. Shaffer

📍 Tulsa, OK: #479 of 2,344 inventorsTop 25%
🗺 Oklahoma: #2,630 of 12,736 inventorsTop 25%
Overall (All Time): #1,089,379 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12359803 Cylindrical burner apparatus and method 2025-07-15
12173893 Cylindrical burner apparatus and method 2024-12-24
11835228 Cylindrical burner apparatus and method 2023-12-05
6065961 Low NO.sub.x burner Ronald M. Engler 2000-05-23