DJ

Donald Mike Johnson

TS Trc Services: 8 patents #1 of 16Top 7%
CI Centrax International: 4 patents #1 of 6Top 20%
OS Opw-Engineered Systems: 1 patents #13 of 17Top 80%
Overall (All Time): #336,397 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12421807 Connection assembly and method to assemble sucker rod Michael Eric Johnson, Rodrigo Ruiz 2025-09-23
11199053 Sucker rod with adhesive-attached end piece Michael Eric Johnson, Donald Ewing 2021-12-14
11168549 Automated sucker rod spacing device and associated methods Donald Ewing, Michael Eric Johnson, Joe Boyd, Danny Uselton 2021-11-09
10781666 Inspection methods for reprocessing non-metallic oilfield tools 2020-09-22
10563773 Fluid system coupling with internal valves Joseph P. Roth, David Morrow 2020-02-18
10508522 Automatic sucker rod spacing device and methods of using same Michael Eric Johnson, Donald Ewing, Joe Boyd, Danny Uselton 2019-12-17
10195699 Sucker rod Michael Eric Johnson, Aleksei Averyanov, Viktor Smerdin 2019-02-05
9840893 Inspection methods for reprocessing non-metallic oilfield tools 2017-12-12
9278412 Sucker rod Michael Eric Johnson, Aleksei Averyanov, Viktor Smerdin 2016-03-08
9193013 Methods and systems for assembly of fiberglass reinforced sucker rods Stephen Morris 2015-11-24
8721815 Methods and systems for assembly of fiberglass reinforced sucker rods Stephen Morris 2014-05-13
7985938 Method of sorting used tubular goods prior to reclaiming or reconditioning 2011-07-26
5452749 Corrosion inhibitor and sealable thread protector end cap for tubular goods John S. Ippolito 1995-09-26
5352383 Corrosion inhibitor and sealable thread protector end cap for tubular goods John S. Ippolito 1994-10-04