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WILLIAM EDWIN KNOWLES TROTMAN

Overview
  • Total Patents
    22
About

WILLIAM EDWIN KNOWLES TROTMAN has a total of 22 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United Kingdom and Germany. Its main competitors in its focus markets textiles and paper and chemical engineering are BANNING & SEYBOLD AKT GES MASC, BARTELMUSS HEINRICH ING and SANDY HILL IRON & BRASS WORKS.

Patent filings in countries

World map showing WILLIAM EDWIN KNOWLES TROTMANs patent filings in countries
# Country Total Patents
#1 United Kingdom 19
#2 Germany 3

Patent filings per year

Chart showing WILLIAM EDWIN KNOWLES TROTMANs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Trotman William Edwin Knowles 1

Latest patents

Publication Filing date Title
GB823527A Improvements relating to the formation of fibrous sheets or webs of paper or paper board
GB791422A Cylinder moulds for paper or board-making machines
GB773539A Improvements relating to filters
GB750149A Improvements relating to apparatus for the manufacture of paper and board
GB755933A Improvements in or relating to dandy rolls for use in making paper
GB715529A Improvements relating to cylinder moulds for use in papermaking
GB727896A Improvements relating to means for the removal of pulp and like layers from make-up rolls
GB674124A Improvements relating to cylinder moulds for use in paper-making
GB637495A Improvements relating to dandy rolls of paper making machines
GB596694A Improvements in or relating to paper-making machines
GB603549A Improvements in the construction of dandy rolls for paper manufacture
GB596695A Improvements in or relating to paper-making machines
GB596693A Improvements in or relating to the manufacture of paper
GB499508A Improvements in or relating to dandy rolls
GB498532A Means for facilitating the lowering and elevation of a dandy roll in relation to thetravelling paper web of a paper-making machine
GB462976A Improvements relating to dandy rolls for use in the paper making and allied industries
GB190519A A new or improved cover for dandy rolls of papermaking and like machinery
GB186416A A new or improved mounting for the dandy rolls of paper-making and like machinery
GB179335A A new or improved expanding cylinder mould and dandy roll for paper-making machines