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Dhruva Mandal

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  • Vernon Hills, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve operating assembly and method of manufacturing
    • Patent number 7,293,540
    • Issue date Nov 13, 2007
    • MACLEAN-FOGG COMPANY
    • Dhruva Mandal
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Valve lifter body and method of manufacture
    • Patent number 7,284,520
    • Issue date Oct 23, 2007
    • MACLEAN-FOGG COMPANY
    • Dhruva Mandal
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Method for fabricating a roller follower assembly
    • Patent number 7,281,329
    • Issue date Oct 16, 2007
    • MACLEAN-FOGG COMPANY
    • Dhruva Mandal
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Roller follower body
    • Patent number 7,273,026
    • Issue date Sep 25, 2007
    • MACLEAN-FOGG COMPANY
    • Dhruva Mandal
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve lifter body
    • Patent number 7,207,302
    • Issue date Apr 24, 2007
    • MACLEAN-FOGG COMPANY
    • Carroll Williams
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Valve operating assembly
    • Patent number 7,191,745
    • Issue date Mar 20, 2007
    • MACLEAN-FOGG COMPANY
    • Dhruva Mandal
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Valve lifter body
    • Patent number 7,128,034
    • Issue date Oct 31, 2006
    • MACLEAN-FOGG COMPANY
    • Dhruva Mandal
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Valve operating assembly and method of manufacturing
    • Patent number 7,069,891
    • Issue date Jul 4, 2006
    • MACLEAN-FOGG COMPANY
    • Dhruva Mandal
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Valve operating assembly
    • Patent number 7,032,553
    • Issue date Apr 25, 2006
    • The MacLean-Fogg Company
    • Carroll Williams
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Metering socket
    • Patent number 7,028,654
    • Issue date Apr 18, 2006
    • The MacLean-Fogg Company
    • Dhruva Mandal
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Metering socket
    • Patent number 7,025,025
    • Issue date Apr 11, 2006
    • MACLEAN-FOGG COMPANY
    • Dhruva Mandal
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Leakdown plunger
    • Patent number 7,013,857
    • Issue date Mar 21, 2006
    • MACLEAN-FOGG COMPANY
    • Carroll D. Williams
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Leakdown plunger
    • Patent number 6,964,251
    • Issue date Nov 15, 2005
    • Dhruva Mandal
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Leakdown plunger
    • Patent number 6,871,622
    • Issue date Mar 29, 2005
    • MACLEAN-FOGG COMPANY
    • Dhruva Mandal
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

  • Information Patent Application

    VALVE OPERATING ASSEMBLY AND METHOD OF MANUFACTURING
    • Publication number 20070234989
    • Publication date Oct 11, 2007
    • MacLean-Fogg Company
    • DHRUVA MANDAL
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROLLER FOLLOWER ASSEMBLY
    • Publication number 20070214639
    • Publication date Sep 20, 2007
    • MacLean-Fogg Company
    • Dhruva Mandal
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Valve lifter body
    • Publication number 20070193544
    • Publication date Aug 23, 2007
    • Dhruva Mandal
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Lash adjuster body
    • Publication number 20070157898
    • Publication date Jul 12, 2007
    • Dhruva Mandal
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve operating assembly and method of manufacturing
    • Publication number 20060148206
    • Publication date Jul 6, 2006
    • MacLean-Fogg Company
    • Dhruva Mandal
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve lifter body
    • Publication number 20060130795
    • Publication date Jun 22, 2006
    • MacLean-Fogg Company
    • Carroll Williams
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Leakdown plunger
    • Publication number 20050268875
    • Publication date Dec 8, 2005
    • Dhruva Mandal
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Metering socket
    • Publication number 20050252473
    • Publication date Nov 17, 2005
    • MacLean-Fogg Company
    • Dhruva Mandal
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Leakdown plunger
    • Publication number 20050205034
    • Publication date Sep 22, 2005
    • MacLean-Fogg Company
    • Carroll D. Williams
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Adjusting body
    • Publication number 20050199206
    • Publication date Sep 15, 2005
    • MacLean-Fogg Company
    • Carroll Williams
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Leakdown plunger
    • Publication number 20050109301
    • Publication date May 26, 2005
    • MacLean-Fogg Company
    • Dhruva Mandal
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Roller follower body
    • Publication number 20050000314
    • Publication date Jan 6, 2005
    • Dhruva Mandal
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Roller Follower assembly
    • Publication number 20040154571
    • Publication date Aug 12, 2004
    • Dhruva Mandal
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Lash adjuster body
    • Publication number 20040074462
    • Publication date Apr 22, 2004
    • Dhruva Mandal
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Leakdown plunger
    • Publication number 20040074461
    • Publication date Apr 22, 2004
    • Dhruva Mandal
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve lifter body
    • Publication number 20040074460
    • Publication date Apr 22, 2004
    • Dhruva Mandal
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Metering socket
    • Publication number 20040074463
    • Publication date Apr 22, 2004
    • Dhruva Mandal
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...