Keller; Holger

Patent Applications and Registrations

Patent applications and USPTO patent grants for Keller; Holger.The latest application filed is for "cooling module for a cell stack, and a cell stack".

Company Profile

0.9.8

Keller; Holger - Sinsheim-Duhren DE
KELLER; Holger - Weilburg-Waldhausen DE
Keller; Holger - St. Gallen CH
Keller; Holger - Reppenstedt N/A DE
Keller; Holger - Sindelfingen-Darmsheim DE
Keller; Holger - Sinsheim 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
Brake disc Grant D902,098 - Keller November 17, 2	2020-11-17
Cooling Module For A Cell Stack, And A Cell Stack App 20200321671 - STIFEL; Torsten ; et al.	2020-10-08
Brake disc Grant D850,338 - Keller	2019-06-04
Brake disc Grant D842,781 - Keller	2019-03-12
Sonotrode and device for reducing and eliminating foaming of liquid products Grant 8,758,492 - Buttiker , et al. June 24, 2	2014-06-24
Sonotrode And Device For Reducing And Eliminating Foaming Of Liquid Products App 20140000460 - Buttiker; Albert ; et al.	2014-01-02
Halogen-free flame retardants Grant 8,470,916 - Glauner , et al. June 25, 2	2013-06-25
Nitrous bridged derivatives of 6H-dibenz[c,e][1,2]-oxaphosphorine-6-oxides, process for the preparation and use thereof Grant 8,058,329 - Just , et al. November 15, 2	2011-11-15
Brake disc, particularly an internally ventilated brake disc Grant 7,967,115 - Keller June 28, 2	2011-06-28
Halogen-free flameproof epoxy resin formulations Grant 7,951,878 - Just , et al. May 31, 2	2011-05-31
Nitrous Bridged Derivatives Of 6h-dibenz[c,e][1,2]-oxaphosphorine-6-oxides, Process For The Preparation And Use Thereof App 20100280215 - Just; Berthold ; et al.	2010-11-04
Halogen-free Flame Retardants App 20100181696 - Glauner; Udo ; et al.	2010-07-22
Halogen-Free Flameproof Epoxy Resin Formulations App 20080200617 - Just; Berthold ; et al.	2008-08-21
Nitrous Bridged Derivatives of 6H-Dibenz[C,E][1,2]-Oxaphosphorine-6-Oxides, Process For the Preparation and Use Thereof App 20080167405 - Just; Berthold ; et al.	2008-07-10
Brake disc, particularly an internally ventilated brake disc App 20060243547 - Keller; Holger	2006-11-02
Curing agents for epoxy resins, use thereof and epoxy resin cured therewith App 20050247908 - Keller, Holger ; et al.	2005-11-10

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