CPC Subgroup
B28C 5/2018 Full Title
Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions (controlling the mixing apparatus and supplying the ingredients B28C7/00 ) > using driven mechanical means affecting the mixing (B28C5/40, B28C5/42, B28C5/48 take precedence; in combination with the action of a fluid B28C5/38) > Mixing in containers to which motion is imparted to effect the mixing > rotating about a horizontal or substantially horizontal axis during mixing, e.g. without independent stirrers
Top Applicants
Top 10 applicants by patent filingsfor class B28, 2013–2023, worldwide · Source: EPO PATSTAT
- DISCO CORPORATION JP 1,471
- HILTI LI 575
- CORNING US 544
- MITSUBOSHI DIAMOND INDUSTRIAL COMPANY JP 518
- UNITED STATES GYPSUM COMPANY US 485
- DISCO ABRASIVE SYSTEM 459
- GE (GENERAL ELECTRIC COMPANY) US 454
- MITSUBOSHI DIAMOND INDUSTRIAL COMPANY 439
- DISCO CORPORATION 403
- NGK INSULATORS JP 308