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KROYER ST ANNES LTD KARL

Overview
  • Total Patents
    138
About

KROYER ST ANNES LTD KARL has a total of 138 patent applications. Its first patent ever was published in 1972. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets textiles and paper, surface technology and coating and environmental technology are FIRST QUALITY TISSUE LLC, PAPTIC LTD and SCHEUFELEN PAPIERFAB.

Patent filings per year

Chart showing KROYER ST ANNES LTD KARLs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Attwood Brian William 36
#2 White Derek Graham Walter 24
#3 Curry Harold George 16
#4 Attwood Brian W 14
#5 Hicklin Denis Raymond 12
#6 Attwood B W 9
#7 Attwood B 9
#8 White Derek G W 9
#9 White D 9
#10 Kroyer Karl Kristian Kobs 9

Latest patents

Publication Filing date Title
DE2817479A1 METHOD OF MANUFACTURING A CELLULOSIC PRODUCT
US4071651A Treatment of fibrous material
US4097640A Production of fibrous sheet material
GB1499687A Apparatus for dry forming a layer of fibre
US4074959A Apparatus for forming multi-ply fibrous sheets
US4160004A Production of fibrous sheet material
US4046622A Multi-ply fibrous sheets having a wet-laid ply and a dry-laid ply
US4011034A Production of fibrous sheet material
GB1516573A Dry-laying a web of particulate or fibrous material
CA1013184A Apparatus for making multi ply paper and paperboard
KR810000790B1 Treatment of fibrour material
IT1056138B Multi-ply cardboards with outer ply strengthened by additive - having inner ply treated to render impermeable to additive
AU8465875A Treatment of fibrous material
DE2529631A1 MOLDING DEVICE
GB1497808A Apparatus for dry forming a layer of fibre
CA990992A Folding boxboard
GB1497807A Method and apparatus for dry forming a layer of fibre
GB1510796A Multilayer dry laid cellulosic board
DE2434558A1 MULTI-LAYER FIBER FILMS OR THIN FILM SHEETS
GB1451540A Apparatus for making fibrous sheet material