Apparatus for measuring the particulate contamination in flues containing corrosive dusts
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jul 23, 1991
Grant Date -
N/A
app pub date -
Apr 2, 1990
filing date -
Apr 1, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for measuring the dust contamination in flues containing corrosive dusts, particularly chimneys, in which an equal-velocity or isokinetic removal of a sample stream of gas takes place and the sample stream of gas is mixed with fresh air to reduce the dew point and fed to the evaluation filter.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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FAG KUGELFISCHER GEORG SCHAFER A CORP OF THE FEDERAL REPUBLIC OF GERMANY | KOMMANDITGESELLSCHAFT AUF AKTIEN D-8720 SCHWEINFURT 1 WEST |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Wendt, Horst | Erlangen, DE | 2 | 13 |
# of filed Patents : 2 Total Citations : 13 |
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Patent Citation Ranking
- 4 Citation Count
- G01N Class
- 0 % this patent is cited more than
- 34 Age
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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 |
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