Pipe joint
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 14, 2003
Grant Date -
N/A
app pub date -
Aug 7, 2000
filing date -
Jul 21, 1999
priority date (Note) -
Expired
status (Latency Note)
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Importance

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Abstract
Provided is a highly reliable leak-proof pipe joint which is superior in workability, inexpensive and Light, superior in resistance against chlorine and oxygen contained in hot water or vapor, resistive against hydrolysis in hot water, superior in mechanical strength and impact resistance, and thereby capable of withstanding deformation due to water pressure or water hammer phenomenon. This pipe, joint has a main body and a connector or connecting the main body to a pipe, wherein at least either the main body or connector is formed from one type selected from a group consisting or resin in which thermoplastic elastomer is added to polyphenylene sulfide, polysulfone, polyphenyl sulfane, polyphthalimide and polyetherimide, and the main body and connector are formed integrally.
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 | |
---|---|---|
TOKYO GAS CO LTD | TOKYO 105-8527 |
International Classification(s)

- 2000 Application Filing Year
- F16L Class
- 865 Applications Filed
- 407 Patents Issued To-Date
- 47.06 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Hirai, Mitsuru | Kanagawa, JP | 6 | 92 |
# of filed Patents : 6 Total Citations : 92 | |||
Igarashi, Osamu | Kanagawa, JP | 65 | 887 |
# of filed Patents : 65 Total Citations : 887 | |||
Komiyama, Noriyoshi | Kanagawa, JP | 4 | 61 |
# of filed Patents : 4 Total Citations : 61 | |||
Nakamura, Yoshitaka | Tokyo, JP | 221 | 1744 |
# of filed Patents : 221 Total Citations : 1744 | |||
Tanaka, Akihiro | Tokyo, JP | 236 | 2204 |
# of filed Patents : 236 Total Citations : 2204 | |||
Uno, Tsutomu | Tokyo, JP | 5 | 72 |
# of filed Patents : 5 Total Citations : 72 |
Cited Art Landscape
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Patent Citation Ranking
- 56 Citation Count
- F16L Class
- 95.88 % this patent is cited more than
- 22 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 |
---|---|---|---|
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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