Pipe joint

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6505866
SERIAL NO

09633852

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
TOKYO GAS CO LTDTOKYO 105-8527

International Classification(s)

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  • 2000 Application Filing Year
  • F16L Class
  • 865 Applications Filed
  • 407 Patents Issued To-Date
  • 47.06 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances200020012002200320042005200620072008200920100255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirai, Mitsuru Kanagawa, JP 6 92
Igarashi, Osamu Kanagawa, JP 65 887
Komiyama, Noriyoshi Kanagawa, JP 4 61
Nakamura, Yoshitaka Tokyo, JP 221 1744
Tanaka, Akihiro Tokyo, JP 236 2204
Uno, Tsutomu Tokyo, JP 5 72

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Patent Citation Ranking

  • 56 Citation Count
  • F16L Class
  • 95.88 % this patent is cited more than
  • 22 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges223211475324157741601 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8091 - 100100 +020406080100120140160180200220240260280300320340

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