P

Inventor

SCHAPER HARTWIG

DE8 patents
⚠️ This page may combine multiple inventors who share the name “SCHAPER HARTWIG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HERAEUS QUARZGLAS

4 patents
US6047564AApr 11, 2000

Method of producing quartz glass bodies

HERAEUS QUARZGLAS69 citations95
US5643347AJul 1, 1997

Process for manufacture of silica granules

HERAEUS QUARZGLAS24 citations91
US6321573B1Nov 27, 2001

Process and apparatus for manufacturing a porous SiO2 preform

HERAEUS QUARZGLAS19 citations79
US5429653AJul 4, 1995

Method of partially introverting a multiple layer tube to form an optical fiber preform

HERAEUS QUARZGLAS6 citations61

PHILIPS CORP

3 patents
US4431919AFeb 14, 1984

Detection apparatus, particularly for use in liquid chromatography

PHILIPS CORP27 citations86
US4782265ANov 1, 1988

Electrochemical luminescent cell

PHILIPS CORP32 citations85
US4422006ADec 20, 1983

Electrochemical luminescent cell

PHILIPS CORP1 citations47

FURUKAWA ELECTRIC NORTH AM INC

1 patent
US7089765B2Aug 15, 2006

Method of making a jacketed preform for optical fibers using OVD

FURUKAWA ELECTRIC NORTH AM INC52 citations90