Heckendorn; Heiko

Patent Applications and Registrations

Patent applications and USPTO patent grants for Heckendorn; Heiko.The latest application filed is for "internal combustion engine with at least one hollow-head valve".

Company Profile

9.7.8

Heckendorn; Heiko - Schopfheim DE

*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
Method for producing a valve seat ring by powder metallurgy Grant 11,346,314 - Heckendorn , et al. May 31, 2	2022-05-31
Method for producing a powder-metallurgical product Grant 11,325,184 - Heckendorn , et al. May 10, 2	2022-05-10
Method for producing a copper-infiltrated valve seat ring Grant 11,098,619 - Grueneberg , et al. August 24, 2	2021-08-24
Method for producing a powder-metallurgical product Grant 11,090,720 - Heckendorn , et al. August 17, 2	2021-08-17
Method for mounting a valve seat ring on a cylinder head of an internal combustion engine Grant 10,982,573 - Beerens , et al. April 20, 2	2021-04-20
Internal Combustion Engine With At Least One Hollow-head Valve App 20200232354 - Heckendorn; Heiko ; et al.	2020-07-23
Method For Producing A Copper-infiltrated Valve Seat Ring App 20200157978 - Grueneberg; Heiko ; et al.	2020-05-21
Method For Mounting A Valve Seat Ring On A Cylinder Head Of An Internal Combustion Engine App 20200131952 - Beerens; Christoph ; et al.	2020-04-30
Tribological system, comprising a valve seat ring and a valve Grant 10,612,432 - Heckendorn , et al.	2020-04-07
Method For Producing A Powder-metallurgical Product App 20200061703 - Heckendorn; Heiko ; et al.	2020-02-27
Method For Producing A Powder-metallurgical Product App 20190381570 - Heckendorn; Heiko ; et al.	2019-12-19
Method for producing a valve seat ring Grant 10,272,496 - Beerens , et al.	2019-04-30
Method For Producing A Valve Seat Ring By Powder Metallurgy App 20190105714 - Heckendorn; Heiko ; et al.	2019-04-11
Tribological System, Comprising A Valve Seat Ring And A Valve App 20180209311 - Heckendorn; Heiko ; et al.	2018-07-26
Method For Producing A Valve Seat Ring App 20160375494 - Beerens; Christoph ; et al.	2016-12-29

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