Pipe joint

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9182061
APP PUB NO 20120068454A1
SERIAL NO

13320145

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A pipe joint comprising a pressing nut into which a flexible pipe is inserted, a joint body into which the pressing nut is partially inserted, a resilient means unlocked when pushed by a tip end of the flexible pipe, a sealing member, a retainer engaging the flexible pipe, and an engaging mechanism keeping the pressing nut at a predetermined position in the joint body; the engaging mechanism comprising a stop ring, an annular groove formed on an outer surface of the pressing nut for receiving the stop ring, pluralities of engaging grooves formed on an inner surface of the joint body for receiving the stop ring and communicating with each other; the stop ring engaging both of the annular groove and the first engaging groove before the connection of the flexible pipe is completed; and when the flexible pipe is pulled after completing the connection, the stop ring moving from the first engaging groove to the second engaging groove to draw the pressing nut from the joint body, so that the normal connection of the flexible pipe can be confirmed.

First Claim

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Patent Owner(s)

Patent OwnerAddress
TOKYO GAS CO LTDTOKYO 105-8527
PROTERIAL LTD6-36 TOYOSU 5-CHROME KOTO-KU TOKYO 135-0061

International Classification(s)

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  • 2010 Application Filing Year
  • F16L Class
  • 1178 Applications Filed
  • 754 Patents Issued To-Date
  • 64.01 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201020112012201320142015201620172018201920200255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Araki, Satoru Kuwana, JP 121 2552
Hamaguchi, Tamaki Tokyo, JP 2 39
Hattori, Akihiro Kuwana, JP 18 336
Inotani, Takaaki Kuwana, JP 2 16
Ishibe, Fumikazu Kuwana, JP 1 13
Minami, Tomoyuki Tokyo, JP 17 85
Okiayu, Takuji Kuwana, JP 1 13
Satoh, Fumitaka Tokyo, JP 6 110
Uchiumi, Youichi Kawaguchi, JP 1 13

Cited Art Landscape

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Patent Citation Ranking

  • 6 Citation Count
  • F16L Class
  • 16.56 % this patent is cited more than
  • 10 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges17573211317842212101 - 1011 - 2021 - 3031 - 4041 - 5061 - 7071 - 8081 - 9091 - 100100 +050100150200250300350400450500550600650700750800

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 May 10, 2027