Pfeiffer; Steffen

Patent Applications and Registrations

Patent applications and USPTO patent grants for Pfeiffer; Steffen.The latest application filed is for "hydraulics unit for an internal combustion engine with hydraulically variable gas exchange valve gear".

Company Profile

2.6.8

Pfeiffer; Steffen - Nuremberg DE
PFEIFFER; Steffen - Nurnberg DE
Pfeiffer; Steffen - Linz AT
Pfeiffer; Steffen - 07952 Pausa 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
Hydraulics unit for an internal combustion engine with hydraulically variable gas exchange valve gear Grant 11,187,117 - von Schimonsky , et al. November 30, 2	2021-11-30
Hydraulics Unit For An Internal Combustion Engine With Hydraulically Variable Gas Exchange Valve Gear App 20210293162 - von SCHIMONSKY; Lothar ; et al.	2021-09-23
Internal combustion engine with a hydraulically variable gas exchange valve train Grant 10,900,389 - Pfeiffer , et al. January 26, 2	2021-01-26
Internal Combustion Engine With A Hydraulically Variable Gas Exchange Valve Train App 20190211718 - PFEIFFER; Steffen ; et al.	2019-07-11
Thermoplastically processible aminoplastic resin, thermoset microfibre non-wovens, and process and plant for their production Grant 8,722,779 - Panzer , et al. May 13, 2	2014-05-13
Thermoplastically Processible Aminoplastic Resin, Thermoset Microfibre Non-Wovens, and Process and Plant for Their Production App 20100269318 - Panzer; Ulf ; et al.	2010-10-28
Melamine resin App 20090239978 - Pfeiffer; Steffen ; et al.	2009-09-24
Method for the continuous synthesis of a liquid melamine resin App 20070055040 - Ratzsch; Manfred ; et al.	2007-03-08
Products, especially moulding materials of polymers containing triazine segments, method for the production thereof and uses of the same Grant 7,173,104 - Ratzsch , et al. February 6, 2	2007-02-06
Direct synthesis method for the production of etherified melamine resin condensates, melemine resin condensates, and use thereof App 20060252909 - Pfeiffer; Steffen ; et al.	2006-11-09
Aminoplast molding compounds for products exhibiting an improved flexibility and aminoplast products exhibiting and improved flexibility App 20060100317 - Ratzsch; Manfred ; et al.	2006-05-11
Products, especially moulding materials of polymers containing triazine segments, method for the production thereof and uses of the same App 20050038226 - Ratzsch, Manfred ; et al.	2005-02-17
Organic light-emitting diodes (OLED) including poly[2-methoxy-5-(2'-ethyl-hexyloxy)-1,4-phenylene-1,2-ethenylene-2,5-dime thoxy-1,4-phenylene-1,2-ethenylene] as electroluminescent material Grant 6,403,238 - Horhold , et al. June 11, 2	2002-06-11

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