wherein the elements are reinforcing members

Introduced: September 1968

Last revised: January 2006

Full Title

Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material > wherein the elements are reinforcing members

Classification Context

Section:: PERFORMING OPERATIONS; TRANSPORTING
Class:: WORKING CEMENT, CLAY, OR STONE
Subclass:: SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER

Related Keywords

REINFORCING of concrete, artificial stone

4 direct subcodes

Child Classifications

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B28B 23/04 the elements being stressed
B28B 23/18 for the production of elongated articles
B28B 23/2 the shaping being effected by centrifugal or rotational moulding
B28B 23/22 assembled from preformed parts

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