Refrigeration cycle for liquid oxygen densification

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11293671
APP PUB NO 20200333050A1
SERIAL NO

16922067

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Closed-loop refrigeration cycles for liquid oxygen densification are disclosed. The disclosed refrigeration cycles may be turbine-based refrigeration cycles or a Joule-Thompson (JT) expansion valve based refrigeration cycles and include a refrigerant or working fluid comprising a mixture of neon or helium together with nitrogen and/or oxygen.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • PRAXAIR TECHNOLOGY INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Belanger, Paul W Clarence Center, US 23 348
Dray, James R Buffalo, US 15 164
Prosser, Neil M Lockport, US 51 203
Shelat, Maulik R Williamsville, US 36 67

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Oct 5, 2025
7.5 Year Payment $3600.00 $1800.00 $900.00 Oct 5, 2029
11.5 Year Payment $7400.00 $3700.00 $1850.00 Oct 5, 2033
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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