Pilníkov was formerly part of the German Empire. In the German Empire, the place was called Pilnikau.
The place is now called Pilníkov and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Pilnikau | Austro-Hungary | Trautenau | before the Treaty of Saint-Germain |
| Pilnikov | Austro-Hungary | Trautenau | before the Treaty of Saint-Germain |
| Pilníkov | Czechoslovakia | Trutnov | after the Treaty of Saint-Germain |
| Pilnikau | Czechoslovakia | Trutnov | after the Treaty of Saint-Germain |
| Pilnikau | German Empire | Trautenau | 1938 |
| Pilníkov | Czechoslovakia | Trutnov | 1945 |
| Pilníkov | Czechoslovakia | Trutnov | 1992 |
| Pilníkov | Czech Republic | Trutnov | 1993 |