Thermoacoustic refrigerator

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 10591187
SERIAL NO

15516311

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Importance

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Abstract

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A thermoacoustic refrigerator includes at least one pair of pulse combustion tubes (10), preferably Rijke tubes, each tube (10) having a pair of spaced-apart Stirling engines (12), coupled together but with no separating membrane therebetween.

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Patent Owner(s)

Patent OwnerAddress
SIDDONS ENERTEC PTY LTDTHE COMO LEVEL 19/644 CHAPEL STREET SOUTH YARRA VICTORIA 3141

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Proctor, David Doncaster, AU 15 194

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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 Sep 17, 2027
11.5 Year Payment $7400.00 $3700.00 $1850.00 Sep 17, 2031
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