Apparatus for inspection of a fluid and method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Nov 13, 2012
Grant Date -
Jan 6, 2011
app pub date -
Feb 23, 2009
filing date -
Feb 22, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Apparatus for inspection of a fluid comprising: a channel portion, the channel portion having a channel inlet and a channel outlet separate from the channel inlet; a piezoelectric sensor element provided at a sensor position of the channel and arranged to contact fluid flowing through the channel portion from said channel inlet to said channel outlet, the apparatus being configured to determine a difference value being a value corresponding to a difference between a resonant frequency of oscillation of said piezoelectric element at a given moment in time and a reference resonant frequency.
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 | |
---|---|---|
UNIVERSITY OF LEEDS | LEEDS LS2 9JT |
International Classification(s)

- 2009 Application Filing Year
- G01N Class
- 5958 Applications Filed
- 3828 Patents Issued To-Date
- 64.25 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Biggs, Simon | Leeds, GB | 10 | 106 |
# of filed Patents : 10 Total Citations : 106 | |||
Harbottle, David | Chesterfield, GB | 1 | 4 |
# of filed Patents : 1 Total Citations : 4 |
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Patent Citation Ranking
- 0 Citation Count
- G01N Class
- 0 % this patent is cited more than
- 13 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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Sep 01, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
Mar 13, 2018 | I | Issuance | |
Mar 13, 2018 | PD | Priority Date | |
Feb 21, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jan 04, 2018 | P | Published | |
Sep 07, 2017 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KONDO, MASASHI;YUZAWA, FUMIO;HONGO, FUMINORI;REEL/FRAME:044015/0422 Owner name: NIPPON CONLUX CO., LTD., JAPAN Effective Date: Sep 07, 2017 |
Oct 26, 2015 | F | Filing |

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