Patent assignee · CH · COMPANY

Prolizenz Aktiengesellschaft

9Patents
0Active
9Granted
29Portfolio score

Filing activity: Nov 20, 1973 → Apr 27, 1978

Most-cited patents

PatentTitleAreaCited byStatus
US4055391A Crucible Emerging Cross-Sectional Technologies 14 Expired
US3953247A Method for heat treatment of material to be worked on, especially of aluminium or magnesium alloys Mechanical Engineering; Lighting; Heating 9 Expired
US4159891A Crucible Emerging Cross-Sectional Technologies 9 Expired
US4052153A Heat resistant crucible Mechanical Engineering; Lighting; Heating 7 Expired
US4245818A Apparatus for heat treatment of material to be worked on, especially of aluminum or magnesium alloys Mechanical Engineering; Lighting; Heating 7 Expired
US4073355A Crucible Emerging Cross-Sectional Technologies 6 Expired
US4135704A Method and apparatus for heat treatment of material to be worked on, especially of aluminum alloys or magnesium alloys Mechanical Engineering; Lighting; Heating 6 Expired
US4217947A Process for the delivery of molten metal to a caterpillar type mold Performing Operations; Transporting 5 Expired
US4049250A Crucible Mechanical Engineering; Lighting; Heating 3 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.