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Douglas C. Hepler

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  • Rochester, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Side gate nozzle assembly with a washer made of a shape memory alloy
    • Patent number 10,131,079
    • Issue date Nov 20, 2018
    • Douglas Christopher Hepler
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Multistage ejection of an injection molded material
    • Patent number 9,415,535
    • Issue date Aug 16, 2016
    • Douglas Christopher Hepler
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Single nozzle valve gate
    • Patent number 9,302,416
    • Issue date Apr 5, 2016
    • Polyshot Corporation
    • Douglas C. Hepler
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Co-injection nozzle
    • Patent number 7,261,535
    • Issue date Aug 28, 2007
    • Acushnet Company
    • Paul A. Puniello
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Hot sprue bushing
    • Patent number 6,960,072
    • Issue date Nov 1, 2005
    • Polyshot Corporation
    • Douglas C. Hepler
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Adjustable hot sprue bushing
    • Patent number 6,095,789
    • Issue date Aug 1, 2000
    • Polyshot Corporation
    • Douglas C. Hepler
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Compact disc injection molding apparatus
    • Patent number 5,589,206
    • Issue date Dec 31, 1996
    • Polyshot Corporation
    • Douglas C. Hepler
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Multitip hot runner system
    • Patent number 5,587,188
    • Issue date Dec 24, 1996
    • Polyshot Corporation
    • Douglas C. Hepler
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Self-contained runnerless molding system
    • Patent number 5,551,863
    • Issue date Sep 3, 1996
    • Polyshot Corporation
    • Douglas C. Hepler
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Multitip hot runner system
    • Patent number 5,464,343
    • Issue date Nov 7, 1995
    • Polyshot Corporation
    • Douglas C. Hepler
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Hot sprue bushing with interchangeable tip having multiple edge gates
    • Patent number 5,334,006
    • Issue date Aug 2, 1994
    • Polyshot Corporation
    • Douglas C. Hepler
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Adjustable hot sprue bushing
    • Patent number 5,213,824
    • Issue date May 25, 1993
    • Polyshot Corporation
    • Douglas C. Hepler
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents