Membership
Tour
Register
Log in
MarkWest Energy Partners, L.P.
Follow
Organization
Denver, CO, US
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Pig ramp, system and method
Patent number
10,655,774
Issue date
May 19, 2020
MARKWEST ENERGY PARTNERS, L.P.
Danny Lee Dray
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Heavy compressor valve lifting tool and associated methods
Patent number
10,486,946
Issue date
Nov 26, 2019
MARKWEST ENERGY PARTNERS, L.P.
Ernie Wells
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Pig ramp, system and method
Patent number
10,408,377
Issue date
Sep 10, 2019
MARKWEST ENERGY PARTNERS, L.P.
Danny Lee Dray
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
System, method, and apparatus for determining air emissions during...
Patent number
10,247,643
Issue date
Apr 2, 2019
MARKWEST ENERGY PARTNERS, L.P.
David Johnsen
G01 - MEASURING TESTING
Information
Patent Grant
Pig ramp, system and method
Patent number
10,197,206
Issue date
Feb 5, 2019
MARKWEST ENERGY PARTNERS, L.P.
Danny Lee Dray
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Heavy compressor valve lifting tool and associated methods
Patent number
10,196,243
Issue date
Feb 5, 2019
MARKWEST ENERGY PARTNERS, L.P.
Ernie Wells
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
System, method, and apparatus for determining air emissions during...
Patent number
10,168,255
Issue date
Jan 1, 2019
MARKWEST ENERGY PARTNERS, L.P.
David Johnsen
G01 - MEASURING TESTING
Information
Patent Grant
Pig ramp, system and method
Patent number
10,094,508
Issue date
Oct 9, 2018
MARKWEST ENERGY PARTNERS, L.P.
Danny Lee Dray
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
System, method, and apparatus for determining air emissions during...
Patent number
10,024,768
Issue date
Jul 17, 2018
MARKWEST ENERGY PARTNERS, L.P.
David Johnsen
G01 - MEASURING TESTING
Information
Patent Grant
Pig ramp, system and method
Patent number
10,012,340
Issue date
Jul 3, 2018
MARKWEST ENERGY PARTNERS, L.P.
Danny Lee Dray
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Pig ramp, system and method
Patent number
10,001,240
Issue date
Jun 19, 2018
MARKWEST ENERGY PARTNERS, L.P.
Danny Lee Dray
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
85364189 - MARKWEST
Serial number
85364189
Registration number
4102083
Filing date
Jul 6, 2011
MarkWest Energy Partners, L.P.
4 - Industrial oils and greases
Information
Trademark
85364193 - MARKWEST
Serial number
85364193
Registration number
4102084
Filing date
Jul 6, 2011
MarkWest Energy Partners, L.P.
39 - Transport
Information
Trademark
85364216 - MARKWEST
Serial number
85364216
Registration number
4102089
Filing date
Jul 6, 2011
MarkWest Energy Partners, L.P.
40 - Treatment of materials
Information
Trademark
85364205 - MARKWEST
Serial number
85364205
Registration number
4102087
Filing date
Jul 6, 2011
MarkWest Energy Partners, L.P.
4 - Industrial oils and greases
Information
Trademark
85364201 - MARKWEST
Serial number
85364201
Registration number
4102085
Filing date
Jul 6, 2011
MarkWest Energy Partners, L.P.
40 - Treatment of materials
Information
Trademark
85364212 - MARKWEST
Serial number
85364212
Registration number
4102088
Filing date
Jul 6, 2011
MarkWest Energy Partners, L.P.
39 - Transport