Apparatus for butt-welding tube joints
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Mar 27, 2012
Issued Date -
N/A
app pub date -
Apr 6, 2009
filing date -
Apr 4, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Welding devices and methods of using the same are provided. The welding device includes a rotor assembly. The rotor assembly includes a first semi-collar associated with a second semi-collar to form a collar. The collar is adapted to be disposed about a tube to be welded, and associated with an automatic voltage control assembly. The automatic voltage control assembly is mechanically associated with an electrode, and the automatic voltage control maintains the desired angular disposition of the electrode relative to the tube to be welded.
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 | |
---|---|---|
AZZ WSI LLC | 2225 SKYLAND COURT NORCROSS GA 30071 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Amador, Pedro Ernesto | Lawrenceville, US | 4 | 8 |
# of filed Patents : 4 Total Citations : 8 | |||
King,, III William Bryan | Atlanta, US | 1 | 6 |
# of filed Patents : 1 Total Citations : 6 |
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Patent Citation Ranking
- 4 Citation Count
- B23K Class
- 6.96 % this patent is cited more than
- 13 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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