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HOLDEN JOHN

Overview
  • Total Patents
    15
About

HOLDEN JOHN has a total of 15 patent applications. Its first patent ever was published in 1895. It filed its patents most often in United Kingdom, Canada and Spain. Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and engines, pumps and turbines are PRIMACARE S A, COMBE INT LTD and BEIERSDORF AG.

Patent filings in countries

World map showing HOLDEN JOHNs patent filings in countries

Patent filings per year

Chart showing HOLDEN JOHNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Holden John 9
#2 Woods Samuel 1
#3 Rehlander Richard 1

Latest patents

Publication Filing date Title
WO2009073760A2 Rotary steam engine
GB9212758D0 Sculling device for small boats
FR2615389A1 COMPOSITION FOR REGENERATING HAIR
GB2080227A Self-steering gear for yachts
ES151404A1 Improvements in the obtaining of photocopies by revelation "semiseco"
GB190806714A Improvements in or relating to Chimney or Ventilating Shaft Tops.
GB190212897A Improved Means for Strengthening and Protecting the Ends of Tubes and Bobbins used in the Preparation and Spinning of Textile Materials
GB189713591A Improvements in or relating to the Manufacture of Embossed or Raised Paper for Covering Walls and for other purposes.
GB189511069A Improved Brake Wheel, Shuttle Swell, and Slay Sword for Looms.
CA252295A Lock washer
CA386115A Photographic paper and cloth