IPC Main Group
B28C 5/00 Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- WORKING CEMENT, CLAY, OR STONE
- Subclass:
- PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
Related Keywords
mixers for CEMENT(S)CONCRETE mixers
8 direct subcodes
Child Classifications
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- B28C 5/02 without using driven mechanical means effecting the mixing
- B28C 5/08 using driven mechanical means affecting the mixing
- B28C 5/38 wherein the mixing is effected both by the action of a fluid and by directly-acting driven mechanical means, e.g. stirring means
- B28C 5/4 Mixing specially adapted for preparing mixtures containing fibres
- B28C 5/42 Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
- B28C 5/44 Apparatus specially adapted for drive by muscle power
- B28C 5/46 Arrangements for applying super- or sub-atmospheric pressure during mixing; Arrangements for cooling or heating during mixing
- B28C 5/48 wherein the mixing is effected by vibrations
Top Applicants
Top 10 applicants by patent filingsfor class B28, 2013–2023, worldwide · Source: EPO PATSTAT
- MITSUBOSHI DIAMOND INDUSTRIAL COMPANY 868
- QINGDAO GAOCE TECHNOLOGY COMPANY 678
- DISCO CORPORATION JP 500
- ZHOU ZHAODI 500
- MITSUBOSHI DIAMOND INDUSTRIAL COMPANY JP 456
- HILTI LI 455
- CORNING US 407
- UNITED STATES GYPSUM COMPANY US 375
- ZHENGZHOU YUAN DONG REFRACTORIES COMPANY 370
- HUNAN SANY KUAIERJU RESIDENTIAL INDUSTRY COMPANY 351