Preserving and re-using experience and knowledge from employees is a decisive task in industrial engineering. In this context the usage of tools for knowledge management is highly up-to-date, however a concrete implementation starts very unassertively in practise. The article discusses advisability and feasibility of a process-based knowledge management. A method of resolution in form of a knowledge infrastructure is worked out exemplary for the two phases “product planning” and “product design” linking the tools of knowledge management with knowledge-related tasks of the product development process.