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Inventor

HOELL JOHANN

US8 patents
⚠️ This page may combine multiple inventors who share the name “HOELL JOHANN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOFFMANN ELEKTROKOHLE

5 patents
US5193656AMar 16, 1993

Collector shoe for collector and process for producing it

HOFFMANN ELEKTROKOHLE11 citations72
US5189903AMar 2, 1993

Sliding strip for collector with rupture detection device

HOFFMANN ELEKTROKOHLE7 citations72
US5152380AOct 6, 1992

Collector shoe for collector and process for producing it

HOFFMANN ELEKTROKOHLE7 citations72
US5244065ASep 14, 1993

Pantograph slipper for current collectors

HOFFMANN ELEKTROKOHLE8 citations71
US5285126AFeb 8, 1994

Collector shoe and method for producing it

HOFFMANN ELEKTROKOHLE6 citations61

HOFFMAN & CO ELEKTROKOHLE GES

2 patents
US5630973AMay 20, 1997

Process for producing sliding bodies for electric collectors

HOFFMAN & CO ELEKTROKOHLE GES7 citations70
US5263562ANov 23, 1993

Carbon brush for collector

HOFFMAN & CO ELEKTROKOHLE GES8 citations70

KOLEKTOR D O O

1 patent
US6684485B1Feb 3, 2004

Method of producing a flat commutator and a flat commutator produced according to said method

KOLEKTOR D O O18 citations75