Method of tube stub removal
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jul 28, 2009
Grant Date -
Jan 3, 2008
app pub date -
Jun 13, 2007
filing date -
Jun 16, 2006
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Abstract
The invention is related to an improved method of removing tubes from tubes sheets. The improved method softens and elongates a tube circumferentially surround by tube sheet, wherein the softening and elongating steps allow for quick and easy removal of the tube from the tube sheet without damaging the tube sheet or tube seats.
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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BABCOCK & WILCOX CANADA LTD | 581 CORONATION BLVD CAMBRIDGE ONTARIO N1R 5V3 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Blaser, Wade Paul | Delta, CA | 1 | 1 |
# of filed Patents : 1 Total Citations : 1 | |||
Burkle, Owen | Cambridge, CA | 1 | 1 |
# of filed Patents : 1 Total Citations : 1 |
Cited Art Landscape
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Patent Citation Ranking
- 1 Citation Count
- B23P Class
- 6.54 % this patent is cited more than
- 16 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 |
Full Text

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