P

Inventor

SEIFERT KARL-HEINRICH

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

HEIDENREICH & HARBECK GMBH

3 patents
US4076071AFeb 28, 1978

Method for heating plastics materials

HEIDENREICH & HARBECK GMBH95 citations92
US4035463AJul 12, 1977

Method of making hollow articles, especially bottles, of thermoplastics

HEIDENREICH & HARBECK GMBH50 citations90
US3969060AJul 13, 1976

Apparatus for deforming a tubular slug of thermoplastic material

HEIDENREICH & HARBECK GMBH30 citations80

HEINDENREICH & HARBECK

1 patent
US4035455AJul 12, 1977

Method for blow molding a hollow plastic article having a concave base

HEINDENREICH & HARBECK70 citations91