Inventor

PFEIFFER STEFFEN

DE5 patents

⚠️ This page may combine multiple inventors who share the name “PFEIFFER STEFFEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SCHAEFFLER TECHNOLOGIES AG

2 patents

US11187117B2Nov 30, 2021

Hydraulics unit for an internal combustion engine with hydraulically variable gas exchange valve gear

SCHAEFFLER TECHNOLOGIES AG0 citations48

US10900389B2Jan 26, 2021

Internal combustion engine with a hydraulically variable gas exchange valve train

SCHAEFFLER TECHNOLOGIES AG0 citations39

(unassigned)

1 patent

US6403238B1Jun 11, 2002

Organic light-emitting diodes (OLED) including poly[2-methoxy-5-(2′-ethyl-hexyloxy)-1,4-phenylene-1,2-ethenylene-2,5-dimethoxy-1,4-phenylene-1,2-ethenylene] as electroluminescent material

AMI AGROLINZ MELAMINE INT GMBH

1 patent

US7173104B2Feb 6, 2007

Products, especially moulding materials of polymers containing triazine segments, method for the production thereof and uses of the same

AMI AGROLINZ MELAMINE INT GMBH12 citations80

PANZER ULF

1 patent

US8722779B2May 13, 2014

Thermoplastically processible aminoplastic resin, thermoset microfibre non-wovens, and process and plant for their production

PANZER ULF0 citations26