Patent ID: 8343249

Claim:
A filter element, comprising: at least one adhesion surface for adhesion to at least-one other filter element by way of an adhesive layer for production of a particle filter, the at least one adhesion surface comprising at least one coated region, coated with a layer made of adhesive-resistant material, and at least one uncoated region configured complementary to the coated region, end surfaces, which are configured as an intake side and an exhaust side, wherein the filter element can be flowed through by a fluid through the intake side and the exhaust side, protective elements, which are reversibly applied on the intake side and the exhaust side of the filter element to cover the end surfaces, and identification means applied on one or more of the protective elements, such that the identification means reflects an orientation of the at least one coated region, such that the filter element can be adhered to the at least one other filter element to produce the particle filter according to the identification means.