Long; Christopher Allen

Patent Applications and Registrations

Patent applications and USPTO patent grants for Long; Christopher Allen.The latest application filed is for "polycrystalline diamond cutting elements having lead or lead alloy additions".

Company Profile

4.6.7

Long; Christopher Allen - Westerville OH

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
PDC cutter with chemical addition for enhanced abrasion resistance Grant 10,695,892 - Gledhill , et al.	2020-06-30
Polycrystalline diamond cutting elements having non-catalyst material additions Grant 10,232,493 - Long , et al.	2019-03-19
Polycrystalline Diamond Cutting Elements Having lead or Lead Alloy Additions App 20190055788 - Long; Christopher Allen ; et al.	2019-02-21
Polycrystalline diamond cutting elements having lead or lead alloy additions Grant 10,167,675 - Long , et al. J	2019-01-01
PDC cutter with chemical addition for enhanced abrasion resistance Grant 9,920,578 - Gledhill , et al. March 20, 2	2018-03-20
Polycrystalline Diamond Cutting Elements Having Non-Catalyst Material Additions App 20160325404 - Long; Christopher Allen ; et al.	2016-11-10
Polycrystalline Diamond Cutting Elements Having Lead or Lead Alloy Additions App 20160326809 - Long; Christopher Allen ; et al.	2016-11-10
PDC Cutter With Chemical Addition for Enhanced Abrasion Resistance App 20160008955 - GLEDHILL; Andrew ; et al.	2016-01-14
PDC Cutter With Chemical Addition for Enhanced Abrasion Resistance App 20150367482 - GLEDHILL; Andrew ; et al.	2015-12-24
Functionalization of cubic boron nitride and method of making the same Grant 9,216,492 - Zhang , et al. December 22, 2	2015-12-22
Functionalization Of Cubic Boron Nitride And Method Of Making The Same App 20140157681 - Zhang; Kai ; et al.	2014-06-12
Surface impurity-enriched diamond and method of making Grant 6,887,144 - D'Evelyn , et al. May 3, 2	2005-05-03
Surface impurity-enriched diamond and method of making App 20010043903 - D'Evelyn, Marl Philip ; et al.	2001-11-22

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