IP Library Assignment 044922/0272
Patent Assignment
Reel/Frame 044922/0272

Assignment of Assignor's Interest

Recorded: 2018-02-14 Pages: 9
Assignors
DRAY, DANNY LEE
Executed: 2016-10-31
CROWE, BRYAN ANTHONY
Executed: 2016-10-31
FITCH, DAVID ABRAHAM
Executed: 2016-10-31
SPROWLS, WILLIAM LEE
Executed: 2016-10-31
MOLLENKOPF, JOHN CHARLES
Executed: 2016-10-31
HOWELL, DUSTIN MICHAEL
Executed: 2016-10-31
Assignee
MARKWEST ENERGY PARTNERS, L.P.
1515 ARAPAHOE STREET, TOWER 1, SUITE 1600, DENVER, COLORADO, 80202
Covered Properties (2)
Pig Ramp, System and Method
Application: 15/896,149 →
Pig Ramp, System and Method
Application: 15/896,172 →
Related Assignments (1)
Other recorded transfers of the patents in this record — the chain of ownership.
Change of Name Jan 8, 2026
From: MARKWEST ENERGY PARTNERS, L.P.
To: MARKWEST ENERGY PARTNERS LLC
Reel/Frame 074289/0388 →