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Davis, CA, US
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Patents Grants
last 30 patents
Patents Applications
last 30 patents
Information
Patent Application
Tuyere For Oxygen Blast Furnace Converter System
Publication number
20070290418
Publication date
Dec 20, 2007
Sierra Energy Corporation
Martin J. Corbett
C21 - METALLURGY OF IRON
Trademark
last 30 trademarks
Information
Trademark
97037931 - SIERRA ENERGY
Serial number
97037931
Registration number
6989018
Filing date
Sep 21, 2021
Sierra Energy
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
97037919 - SIERRA ENERGY
Serial number
97037919
Registration number
6827483
Filing date
Sep 21, 2021
Sierra Energy
40 - Treatment of materials
Information
Trademark
97037909 - FASTOX BY SIERRA ENERGY
Serial number
97037909
Filing date
Sep 21, 2021
Sierra Energy
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
97037898 - FASTOX BY SIERRA ENERGY
Serial number
97037898
Filing date
Sep 21, 2021
Sierra Energy
7 - Machines and machine tools
Information
Trademark
90854975 - TECHPIPE
Serial number
90854975
Filing date
Jul 29, 2021
Sierra Energy
41 - Education
Information
Trademark
90854967 - TECHPIPE
Serial number
90854967
Filing date
Jul 29, 2021
Sierra Energy
35 - Advertising
Information
Trademark
90854979 - TECHPIPE
Serial number
90854979
Filing date
Jul 29, 2021
Sierra Energy
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
90854970 - TECHPIPE
Serial number
90854970
Filing date
Jul 29, 2021
Sierra Energy
36 - Insurance
Information
Trademark
90854973 - TECHPIPE
Serial number
90854973
Filing date
Jul 29, 2021
Sierra Energy
38 - Telecommunications
Information
Trademark
87369333 - AREA 52
Serial number
87369333
Filing date
Mar 13, 2017
Sierra Energy
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
87369323 - AREA 52
Serial number
87369323
Filing date
Mar 13, 2017
Sierra Energy
41 - Education
Information
Trademark
87369310 - AREA 52
Serial number
87369310
Filing date
Mar 13, 2017
Sierra Energy
35 - Advertising
Information
Trademark
85056255 - FASTOX
Serial number
85056255
Registration number
4593110
Filing date
Jun 7, 2010
Sierra Energy
7 - Machines and machine tools