Purity monitor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10054357
APP PUB NO 20180142937A1
SERIAL NO

15291712

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A purity monitor is provided. The purity monitor includes a cryo-cooler and a piezo-electric crystal microbalance that may have a matte finish. The cryo-cooler includes a nozzle and plumbing components disposed to supply a fluid having a working pressure of up to 10,000 psig to the nozzle. The nozzle provides for locating substantially all of a pressure drop of the cryo-cooler near an exit thereof. The nozzle sprays fluid onto the piezo-electric crystal microbalance and the piezo-electric crystal microbalance measures a mass of non-volatile residue (NVR) left thereon by the spraying. Respective temperatures of the fluid and the piezo-electric crystal microbalance are controllable based on a type of the NVR.

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First Claim

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Patent Owner(s)

  • RAYTHEON COMPANY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Buelow, Paul L Tucson, US 4 9

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Feb 21, 2026
11.5 Year Payment $7400.00 $3700.00 $1850.00 Feb 21, 2030
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00