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CHEMSTRAND LTD

Overview
  • Total Patents
    47
About

CHEMSTRAND LTD has a total of 47 patent applications. Its first patent ever was published in 1958. It filed its patents most often in Canada, Germany and France. Its main competitors in its focus markets textiles and paper, chemical engineering and packaging and shipping are HEBERLEIN & CO AG, BANCROFT & SONS CO J and AMANN & SOEHNE.

Patent filings in countries

World map showing CHEMSTRAND LTDs patent filings in countries

Patent filings per year

Chart showing CHEMSTRAND LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Carlisle Herbert 3
#2 Hall Richard 3
#3 Johnson Christopher Richard Na 2
#4 Howard Goodwin Chester 2
#5 Jack Brown Brindley 2
#6 David Rosenberg Arthur 2
#7 Harvey Roland Michael 2
#8 Norman Milne Percival 2
#9 Richard Hall 2
#10 Herbert Carlisle 1

Latest patents

Publication Filing date Title
GB1098012A Improvements in or relating to elastic yarns and the manufacture thereof
GB1107724A Improvements in or relating to the manufacture of paper
GB1067027A Improvements in or relating to the manufacture of elastic yarns
US3402236A Manufacture and treatment of synthetic fibres and fabrics containing the same
US3359060A Dry heat treatment included in conventional wet processing of wool-acrylonitrile blended fabrics to effect setting of acrylonitrile component
GB1074681A Improvements in or relating to the production of bulked yarns
GB1046232A Improvements in or relating to the manufacture and treatment of synthetic filaments
GB1031351A Improvements in or relating to the production of bulked yarns from fibre-forming thermoplastic polymers
US3031732A Apparatus for use in the finishing of textile fabrics
GB936991A Improvements in or relating to apparatus for use in the finishing of textile fabrics
CA784603A Manufacture of paper
CA642835A Apparatus for use in the finishing of textile fabrics
CA821249A Manufacture of elastic yarns
CA865359A Production of bulked yarns
CA762836A Manufacture and treatment of synthetic fibres and fabrics containing the same
CA730351A Finishing of textile fabrics
CA770942A Manufacture of elastic yarns
CA705080A Production of bulked yarns from fibre-forming thermoplastic polymers