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Piper Oilfield Products, Inc.
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Oklahoma City, OK, US
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Patents Grants
last 30 patents
Information
Patent Grant
Hydraulic tubing head assembly
Patent number
5,522,464
Issue date
Jun 4, 1996
Piper Oilfield Products, Inc.
Britton J. Piper
E21 - EARTH DRILLING MINING
Information
Patent Grant
Closure apparatus for blow out prevention
Patent number
5,273,108
Issue date
Dec 28, 1993
Piper Oilfield Products, Inc.
Britton F. Piper
E21 - EARTH DRILLING MINING
Information
Patent Grant
Flow control valve
Patent number
5,205,325
Issue date
Apr 27, 1993
Piper Oilfield Products, Inc.
Britton F. Piper
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
97248389 - PIPER OILFIELD PRODUCTS
Serial number
97248389
Filing date
Feb 1, 2022
Piper Oilfield Products Ltd. Co.
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