DC

David W. Clem

DT Drilltec Patents & Technologies: 1 patents #1 of 2Top 50%
NM Nippon Steel & Sumitomo Metal: 1 patents #106 of 440Top 25%
📍 Houston, TX: #704 of 2,278 inventorsTop 35%
🗺 Texas: #5,076 of 14,752 inventorsTop 35%
Overall (2016): #429,255 of 481,213Top 90%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9523458 Box protector for a threaded joint for pipes Yasuhiro Yamamoto 2016-12-20