Generation and usage of microbubbles as a blood oxygenator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Dec 4, 2007
Grant Date -
N/A
app pub date -
May 18, 2004
filing date -
Apr 8, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A micro-nozzle for generating micro-bubbles. The micro-nozzle includes a liquid inlet forming a liquid path, a gas inlet, and a constricting wall positioned in the liquid path and shaped to abruptly constrict said liquid path to a width of less than approximately 20 um and then gradually diverge.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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LOUISIANA TECH UNIVERSITY FOUNDATION INC | 900 TECH DRIVE RUSTON LA 71270 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Kim, Sung Sam | Bossier City, LA | 1 | 4 |
# of filed Patents : 1 Total Citations : 4 | |||
Schubert, Roy | Simsboro, LA | 1 | 4 |
# of filed Patents : 1 Total Citations : 4 |
Cited Art Landscape
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Patent Citation Ranking
- 4 Citation Count
- B05B Class
- 4.94 % this patent is cited more than
- 18 Age
Forward Cite Landscape
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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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 |
Full Text

Legal Events
Date | Code | Event | Description |
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Jan 30, 2018 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
May 09, 2001 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: May 09, 2001 |
May 06, 2001 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
Nov 28, 2000 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Oct 28, 1996 | FPAY | FEE PAYMENT | year of fee payment: 8 |
Dec 09, 1995 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Dec 07, 1992 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Jun 17, 1992 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Dec 08, 1991 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
May 09, 1989 | I | Issuance | |
Mar 16, 1988 | F | Filing | |
Jan 13, 1987 | PD | Priority Date |

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