IP Library › Assignment 056558/0808
Patent Assignment
Reel/Frame 056558/0808

Agreement

Recorded: 2021-06-14 Pages: 6
Assignors
UMPHRIES, DONALD V.
Executed: 2020-02-07
WILLIGER, GABOR P.
Executed: 2020-02-07
Assignee
YELLOWJACKET OILFIELD SERVICES, L.L.C.
5151 KATY FREEWAY SUITE 206, HOUSTON, TEXAS, 77007
Covered Properties (10)
Wireless Downhole Tool Positioning System
Patent: 8,272,441 →
Application: 13/135,996 →
Publication: US 2011/0308797
Wireless Downhole Tool Positioning System
Patent: 8,286,702 →
Application: 13/506,212 →
Publication: US 2012/0211224
Wireless Downhole Tool Positioning System
Patent: 8,302,693 →
Application: 13/506,213 →
Publication: US 2012/0241146
Wireless downhole tool positioning control
Patent: 9,033,032 →
Application: 13/507,377 →
Publication: US 2013/0341007
Perforating gun drop sub
Patent: 8,919,236 →
Application: 13/573,816 →
Publication: US 2014/0096670
Bottom hole firing head and method
Patent: 8,910,556 →
Application: 13/694,319 →
Publication: US 2014/0137723
Bottom Hole Firing Head and Method
Patent: 9,476,290 →
Application: 14/121,054 →
Publication: US 2015/0247389
Wireless downhole tool positioning control
Application: 14/545,298 →
Publication: US 2015/0226019
Total Control Perforator and System
Application: 14/756,868 →
Publication: US 2017/0114622
Redundant drill string cutting system
Application: 14/757,148 →
Publication: US 2017/0145765
Related Assignments (4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 18, 2013
From: LOTT, DENNIS; LOTT, WILLIAM
To: SKINHEALTH TECHNOLOGY, LLC
Reel/Frame 029653/0384 →
License Jun 14, 2021
From: OILFIELD SPECIALTIES, LLC
To: YELLOWJACKET OILFIELD SERVICES, L.L.C.
Reel/Frame 056528/0834 →
License Jun 14, 2021
From: OILFIELD SPECIALTIES, LLC
To: YELLOWJACKET OILFIELD SERVICES, L.L.C.
Reel/Frame 056528/0882 →
Agreement Oct 25, 2021
From: UMPHRIES, DONALD V.; WILLIGER, GABOR P.
To: YELLOWJACKET OILFIELD SERVICES, L.L.C.
Reel/Frame 058303/0921 →