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DAVIDSON & CO LTD

Overview
  • Total Patents
    109
About

DAVIDSON & CO LTD has a total of 109 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets machines, thermal processes and engines, pumps and turbines are GEBHARDT GMBH WILHELM, AMERICAN BLOWER CORP and PM LUFT.

Patent filings in countries

World map showing DAVIDSON & CO LTDs patent filings in countries

Patent filings per year

Chart showing DAVIDSON & CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tindall Colin 12
#2 Gibson Stanley 12
#3 Collins Thomas Bosanko 8
#4 John Whitmore 6
#5 Graham John 5
#6 Johnson John Cunningham 5
#7 Stewart Robert Thomas 4
#8 Blom Johannes Cornelis 3
#9 Tindall Colin Edward 3
#10 Macfarlane Daniel 2

Latest patents

Publication Filing date Title
GB8325512D0 Controlling seal systems
GB8320962D0 Inductance sensor
GB2091003A Magnetic seal system
CA1039267A Regenerative air preheaters and seal frame suspension control system therefor
GB1559679A Regenerative air preheaters and seal frame suspension control system therefor
GB1234696A Improvements in or relating to the drying of tea leaf or other vegetable matter
GB1180075A Improvements in or relating to Return-Flow Dust Separators and Collectors.
GB1178289A Improvements in or relating to the Fermenting of Tea Leaf or other Vegetable Matter.
GB1183322A Improvements in or relating to Pulverising Machines
GB1144633A Improvements in or relating to wet-type dust-collectors
GB1049976A Improvements in or relating to fans
GB1068311A Improvements in or relating to apparatus for processing tea leaf
GB1023743A Improvements in or relating to the treatment of tea leaf
GB1047633A Improvements in or relating to pneumatic classifiers
GB991444A Improvements in or relating to radial vane control means for fans
GB999454A Improvements in or relating to the withering or fermenting of tea leaf or other vegetable matter
GB923603A Improvements in or relating to rotary feed valves
GB950019A Improvements in or relating to means for drying fibrous material
GB940922A Improvements in or relating to fans
US3181602A Heat exchangers