-
Shale-gas separating and cleanout system
-
Patent number 10,160,913
-
Issue date Dec 25, 2018
-
Mathena, Inc.
-
Harold Dean Mathena
-
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
-
Fluid line drive-over
-
Patent number D763414
-
Issue date Aug 9, 2016
-
Mathena, Inc.
-
Melissa G. Allin
-
D23 - Environmental heating and cooling
-
-
Portion of digital gauge
-
Patent number D714175
-
Issue date Sep 30, 2014
-
Mathena, Inc.
-
John Mathena
-
D10 - Measuring, testing, or signalling instruments
-
Portion of digital gauge
-
Patent number D714174
-
Issue date Sep 30, 2014
-
Mathena, Inc.
-
John Mathena
-
D10 - Measuring, testing, or signalling instruments
-
Shale-gas separating and cleanout system
-
Patent number 8,784,545
-
Issue date Jul 22, 2014
-
Mathena, Inc.
-
Harold Dean Mathena
-
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
-