Exhaust Manifold Gasket

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20120139188A1
SERIAL NO

13301912

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An exhaust manifold gasket assembly having at least two layers and a series of tabs and slots. The gasket has a first outer layer with an outer surface, an inner surface, two bolt hole flanges, and a central aperture. The surfaces are bounded by an outer perimeter portion, with foldable tabs. A first inner layer and a second inner layer each with an outer surface, an inner surface, two bolt hole flanges, a central aperture, and internal slots. The surfaces are bounded by an outer perimeter portion with locator tabs. Each inner layer has a bead circumferentially extending around the central aperture. A second outer layer may be provided having an outer surface, an inner surface, two bolt hole flanges, a central aperture, and internal slots. The surfaces are bounded by an outer perimeter portion.

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Patent Owner(s)

Patent OwnerAddress
DANA AUTOMOTIVE SYSTEMS GROUP LLC3939 TECHNOLOGY DRIVE PO BOX 1000 MAUMEE OH 43537

International Classification(s)

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  • 2011 Application Filing Year
  • F02F Class
  • 170 Applications Filed
  • 125 Patents Issued To-Date
  • 73.53 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20112012201320142015201620172018201920200255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Schweiger, David J Pewaukee, US 17 95

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Patent Citation Ranking

  • 1 Citation Count
  • F02F Class
  • 6.10 % this patent is cited more than
  • 13 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges56113301 - 1011 - 2021 - 3005101520253035404550556065

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