| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 53 | |
| #2 | EPO (European Patent Office) | 39 | |
| #3 | United States | 20 | |
| #4 | WIPO (World Intellectual Property Organization) | 14 | |
| #5 | China | 10 | |
| #6 | Canada | 8 | |
| #7 | Australia | 3 | |
| #8 | Mexico | 3 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Furniture and games | |
| #3 | Optics | |
| #4 | Audio-visual technology | |
| #5 | Computer technology | |
| #6 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Engel Hartmut S | 145 |
| #2 | Schoellkopf Manfred | 1 |
| #3 | Engel Hartmut | 1 |
| #4 | Derschum Klaus | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP3763898A1 | Sanitary installation | |
| EP3444523A1 | Luminaire | |
| EP3444524A1 | Luminaire | |
| EP3217072A1 | Luminaire, in particular suspended luminaire | |
| US2013294074A1 | Lamp | |
| EP2765354A1 | Luminaire with light conducting disc | |
| EP2765353A1 | Lamp with a Light conducting disc assembly | |
| DE102012207540A1 | lamp | |
| EP2518388A1 | Lamp | |
| EP2518387A1 | Floor lamp | |
| EP2375129A1 | Area light, in particular multifunction area light | |
| EP2375131A1 | Downlight system | |
| EP2088367A1 | Lamp | |
| EP2023035A1 | Luminaire | |
| EP2020561A1 | Luminaire | |
| EP2020562A1 | Wall mountable lighting apparatus | |
| EP2020563A1 | Lighting device | |
| EP1847766A1 | Indoor lighting device | |
| DE102006001289A1 | Recessed Spotlights | |
| EP1734300A1 | Indoor lamp |