CHARGE FREE CONVERSION KIT
Filed: March 16, 2016
Conversion apparatus used on traditional gas-charged pulsation dampeners that eliminates the need for gas, namely, Conversion…
Owned by: Sigma Drilling Technologies, LLC
Serial Number: 86942890
ACOUSTIC ASSASSIN
Filed: June 9, 2016
Acoustic noise filters, namely, acoustic filters for removing high frequency energies from a pump media
Owned by: Sigma Drilling Technologies, LLC
Serial Number: 87066276
S SIGMA DRILLING TECHNOLOGIES
Filed: June 14, 2016
Pulsation control equipment, namely, fixtures or pressure vessel attachments for dampening vibration specifically designed…
Owned by: Sigma Drilling Technologies, LLC
Serial Number: 87071285
CHARGE FREE DAMPENER
Pulsation dampeners
Owned by: Sigma Drilling Technologies, LLC
Serial Number: 87424032
CHARGE FREE DAMPENING SYSTEM
Pulsation dampening system
Owned by: Sigma Drilling Technologies, LLC
Serial Number: 87425212
SIGMA-SHIELD
A special blended urethane coating used in pulsation dampening machines in the oil and gas industry
Owned by: Sigma Drilling Technologies, LLC
Serial Number: 87449469
