Total properties:
10
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Patent #:
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Issue Dt:
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09/03/2013
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Application #:
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13119501
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Filing Dt:
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04/06/2011
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Publication #:
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Pub Dt:
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07/21/2011
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Title:
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METHOD FOR PRODUCTION OF VALVE HEAD PORTION OF HOLLOW ENGINE VALVE AND HOLLOW ENGINE VALVE
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Patent #:
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Issue Dt:
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02/18/2014
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Application #:
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13502902
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Filing Dt:
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05/24/2012
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Publication #:
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Pub Dt:
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09/13/2012
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Title:
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METHOD FOR MANUFACTURING VALVE UMBRELLA PORTION OF HOLLOW ENGINE VALVE, PRESS DEVICE OF VALVE UMBRELLA PORTION OF HOLLOW ENGINE VALVE, AND HOLLOW ENGINE VALVE
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Patent #:
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Issue Dt:
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09/20/2016
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Application #:
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13955635
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Filing Dt:
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07/31/2013
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Publication #:
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Pub Dt:
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11/28/2013
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Title:
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METHOD FOR PRODUCTION OF VALVE HEAD PORTION OF HOLLOW ENGINE VALVE AND HOLLOW ENGINE VALVE
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Patent #:
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Issue Dt:
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11/24/2015
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Application #:
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13955815
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Filing Dt:
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07/31/2013
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Publication #:
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Pub Dt:
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02/06/2014
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Title:
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Method for Production of Valve Head Portion of Hollow Engine Valve and Hollow Engine Valve
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Patent #:
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Issue Dt:
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04/05/2016
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Application #:
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14001994
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Filing Dt:
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09/12/2013
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Publication #:
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Pub Dt:
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02/06/2014
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Title:
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METHOD FOR MANUFACTURING HOLLOW ENGINE VALVE
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Patent #:
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Issue Dt:
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08/30/2016
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Application #:
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14369385
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Filing Dt:
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06/27/2014
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Publication #:
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Pub Dt:
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12/18/2014
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Title:
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METHOD FOR PRODUCING A HOLLOW ENGINE VALVE
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Patent #:
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Issue Dt:
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09/12/2017
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Application #:
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14785950
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Filing Dt:
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10/21/2015
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Publication #:
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Pub Dt:
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09/29/2016
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Title:
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METHOD OF CHARGING A HOLLOW VALVE WITH METALLIC SODIUM
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Patent #:
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Issue Dt:
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01/07/2020
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Application #:
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15503601
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Filing Dt:
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02/13/2017
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Publication #:
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Pub Dt:
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08/17/2017
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Title:
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HOLLOW ENGINE VALVE AND MANUFACTURING METHOD THEREFOR
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Patent #:
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Issue Dt:
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06/09/2020
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Application #:
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15569606
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Filing Dt:
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10/26/2017
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Publication #:
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Pub Dt:
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10/18/2018
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Title:
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METHOD AND DEVICE FOR MANUFACTURING METALLIC-SODIUM-FILLED ENGINE VALVE
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Patent #:
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Issue Dt:
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01/04/2022
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Application #:
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16696113
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Filing Dt:
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11/26/2019
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Publication #:
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Pub Dt:
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03/26/2020
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Title:
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HOLLOW ENGINE VALVE AND MANUFACTURING METHOD THEREFOR
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