DA

Danny Lee Artherholt

OL Oil States Energy Services, L.L.C.: 4 patents #2 of 5Top 40%
📍 Asher, OK: #1 of 1 inventorsTop 100%
🗺 Oklahoma: #39 of 869 inventorsTop 5%
Overall (2016): #45,709 of 481,213Top 10%
4
Patents 2016

Issued Patents 2016

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9447652 Atmosphere to pressure ball drop apparatus Bob McGuire, Jeremy Gardner, Dennis Artherholt 2016-09-20
9291024 Ball drop wellhead control apparatus Bob McGuire 2016-03-22
9260933 Modular ball drop Bob McGuire, Mickey Claxton 2016-02-16
9228417 Horizontal frac ball injector Bob McGuire 2016-01-05