METHODS FOR USE IN TESTING GAS TURBINE FILTERS
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Jun 11, 2015
app pub date -
Dec 5, 2013
filing date -
Dec 5, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Methods of testing gas turbine filter elements under high or low temperature operating environments are provided. In one aspect, the method includes performing a fractional efficiency test on a filter. The method also includes heating or cooling the filter to a temperature that is higher or lower than an ambient temperature. The method further includes performing a second fractional efficiency test on the filter after the filter has been heated or cooled for a period of time at the temperature.
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 | |
---|---|---|
BHA ALTAIR LLC | 840 CRESCENT CENTRE DR SUITE 600 FRANKLIN TN 37067 |
International Classification(s)

- 2013 Application Filing Year
- G01N Class
- 9056 Applications Filed
- 7640 Patents Issued To-Date
- 84.37 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Bryant, Paul Sherwood | Amesbury, GB | 18 | 188 |
# of filed Patents : 18 Total Citations : 188 | |||
Hiner, Stephen David | Salisbury, GB | 18 | 262 |
# of filed Patents : 18 Total Citations : 262 | |||
Kippel, Brad Aaron | Greenville, US | 7 | 173 |
# of filed Patents : 7 Total Citations : 173 | |||
Marchetti, Giorgio | Ancona, IT | 11 | 165 |
# of filed Patents : 11 Total Citations : 165 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 124 Citation Count
- G01N Class
- 99.75 % this patent is cited more than
- 10 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 11, 2026 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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 |
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