Schott aktiengesellschaft (33)

Zwiesel kristallglas ag (6)

Carl-zeiss-stiftung (5)

Schott bros. inc. (5)

Schott ag (3)

Carl zeiss stiftung (1)

Carl ziess stiftung (1)

Schott aktiengesellschaft (1)

Schott ag (1)

Schott aktiengesellschaft, trademark department (1)

Class 21 (32)

Class 9 (23)

Class 11 (18)

Class 10 (14)

Class 20 (11)

Class 19 (10)

Class 5 (4)

Class 12 (4)

Class 14 (4)

Class 17 (4)

Class 7 (3)

Class 8 (3)

Class 25 (3)

Class 35 (3)

Class 1 (2)

Class 18 (2)

Class 24 (2)

Class 42 (2)

Class 3 (1)

Class 37 (1)

Class 40 (1)

Class 44 (1)