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HOWDEN JAMES & CO LTD

Overview
  • Total Patents
    374
About

HOWDEN JAMES & CO LTD has a total of 374 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets thermal processes, engines, pumps and turbines and environmental technology are NEIDL G, WORLD CHEM KK and DATANG GUIGUAN HESHAN POWER GENERATION CO LTD.

Patent filings in countries

World map showing HOWDEN JAMES & CO LTDs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Cooper James 18
#2 White William Wallace 15
#3 Macdonald Ian Norman 10
#4 Mcdermid Blair 9
#5 Hume James Howden 9
#6 Hanson Terence 9
#7 Wilson Robert Ross 8
#8 Jamieson Peter Mckeich 8
#9 Falconer Roy David 7
#10 Ratcliffe Harold 6

Latest patents

Publication Filing date Title
GB9303368D0 Gripper head beam
GB9217833D0 Gripper head beam
GB9211182D0 Pipe carriage
US5217235A Seal assembly
GB9204642D0 Pipe handling apparatus
GB8715551D0 A rotary regenerative heat exchanger
GB8704652D0 A method of producing steel
GB8630310D0 A tunnel boring machine
GB8622067D0 Rotary regenerative heat exchanger
GB8619354D0 Pipeline safety joint
GB8619000D0 Filter
US4688827A Pipeline safety joint
GB8606931D0 Apparatus for handling powders
GB8602773D0 Wind turbines
GB8526285D0 Producing reinforced plastics members
EP0219578A1 Centrifugal fans and blowers
EP0209625A1 Gas circulator
EP0208031A1 Fan construction
ZA8503468B Method of operating a metallurgical furnace and a metallurgical furnace apparatus
EP0164878A2 Method of operating metallurgical furnace