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GREENWOOD JOHN

Overview
  • Total Patents
    29
About

GREENWOOD JOHN has a total of 29 patent applications. Its first patent ever was published in 1889. It filed its patents most often in United Kingdom, Canada and Switzerland. Its main competitors in its focus markets medical technology, biotechnology and pharmaceuticals are SEVRAIN LIONEL C, UNIV GOETTINGEN GEORG AUGUST and HORVATH CHRISTOPHER.

Patent filings in countries

World map showing GREENWOOD JOHNs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Greenwood John 25
#2 Jacob Bell Holgate 2
#3 Greenwood Thomas 2
#4 John Greenwood 2
#5 James Greenwood 2
#6 Wang Xiaomeng 1
#7 Cole Emerson 1
#8 Moss Stephen 1

Latest patents

Publication Filing date Title
GB201218287D0 Intraocular injector
GB201215763D0 Face mounted eye light for surgery
ES134608A1 An apparatus for the separation of pulverized or granular material
GB191109468A Improvements in Sputum Cups.
US994918A Sputum-cup.
GB190802463A Improvements in Window and like Fasteners.
GB190503104A Improvements in Trousers Stretchers.
US792701A Tree for boots or shoes.
GB190326303A Improvements in Trees for Boots and Shoes
GB190305411A Improvements appertaining to Supports or Props for Holding Clothes-lines or the like.
GB190113675A Improvements in Fuel and the Manufacture thereof.
GB189905057A An Improved Holder for Use in the Heating of Sad-irons and the like.
GB189823028A Improvements in or relating to Steelyard and other similar Weighing Machines.
GB189818927A Improvements in Means for Lubricating Loose Pulleys.
CA62080A Lubricator
GB189705076A Improvements in or relating to Loom Pickers.
GB189606623A Improvements in Loom Pickers.
GB189605056A Improvements in Portable Weighing Machines.
CA13188A Improvements on hoop cutting machines
CA10559A Machine for cutting and planing hoops