Ion thruster grid clear
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Sep 7, 2004
Grant Date -
Jan 22, 2004
app pub date -
Jul 22, 2002
filing date -
Jul 22, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention discloses a method and device for clearing an ion thruster grid of contaminants. A typical method includes applying a power supply to a grid to clear contaminants, monitoring an energy applied to the grid of the applied power supply and suspending application of the power supply to the grid after the monitored energy substantially reaches a predetermined value. A typical device includes a controller for applying a power supply to a grid to clear the grid of contaminants and a timer for monitoring an energy applied to the grid of the applied power supply and suspending application of the power supply to the grid after the monitored energy substantially reaches a predetermined value.
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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L-3 COMMUNICATIONS ELECTRON TECHNOLOGIES INC | 3100 W LOMITA BLVD TORRANCE CA 90509 |
International Classification(s)

- 2002 Application Filing Year
- H05H Class
- 256 Applications Filed
- 78 Patents Issued To-Date
- 30.47 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Stickelmaier, John F | Manhattan Beach, CA | 12 | 44 |
# of filed Patents : 12 Total Citations : 44 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 12 Citation Count
- H05H Class
- 68.09 % this patent is cited more than
- 21 Age
Forward Cite Landscape
- No Forward Cites to Display

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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