WICKING SCHE PORTLAND CEMENT U innovation strategy

Patent filings in countries

#	Name	Total Patents
#1	Wasserkalkwerke Aktiengesellsc	1
#2	Biehl Karl	1
#3	Portland-Cement-Und Wasserkalk	1

Publication	Filing date	Title
GB254909A	1925-09-14	Improvements in tube mills for grinding or crushing
GB241174A	1925-09-14	Improvements in tube mills for grinding or crushing
DE405242C	1922-12-09	Discharge lock for shaft ovens working with compressed air
CA282926A	None	Hydraulic cement
DE445697C	None	Composite drum mill with a transfer room with sieve devices between the pre- and fine grinding chamber
DE458609C	None	Composite drum mill with a transfer room with sieve devices between the pre- and fine grinding chamber
DE445696C	None	Composite drum mill with a transfer room with sieve devices between the pre- and fine grinding chamber
DE463637C	None	Coal drying device surrounding a rotating drum in a ring shape
DE458637C	None	Process for the intimate mixing of goods