Leonard W. Emery

AR Atlantic Richfield: 5 patents #106 of 1,061Top 10%

📍 Plano, TX: #1,324 of 4,842 inventorsTop 30%

🗺 Texas: #28,318 of 125,132 inventorsTop 25%

Overall (All Time): #1,063,583 of 4,157,543Top 30%

Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
4723604	Drainhole drilling	—	1988-02-09
4509596	Enhanced oil recovery	—	1985-04-09
4476932	Method of cold water fracturing in drainholes	—	1984-10-16
4436165	Drain hole drilling	—	1984-03-13
4418751	In-situ combustion process	—	1983-12-06