ROBERT HILGENBERG L has a total of 13 patent applications. Its first patent ever was published in 1929. It filed its patents most often in Germany. Its main competitors in its focus markets audio-visual technology, transport and consumer goods are FARADAY INC, FILLONY LTD and PHILIPS MILLER N V.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 13 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Transport | |
| #3 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Special information storage | |
| #2 | Sound-producing devices | |
| #3 | Vehicle transmission mounting | |
| #4 | Vehicle windows, roofs and doors |