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HULL JOHN

Overview
  • Total Patents
    11
About

HULL JOHN has a total of 11 patent applications. Its first patent ever was published in 1902. It filed its patents most often in United Kingdom and United States. Its main competitors in its focus markets civil engineering and electrical machinery and energy are HUNAN SANY PETROLEUM TECH CO LTD, ODFJELL DRILLING AS and Nabors Drilling USA.

Patent filings in countries

World map showing HULL JOHNs patent filings in countries
# Country Total Patents
#1 United Kingdom 7
#2 United States 4

Patent filings per year

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

Focus technologies

Top inventors

# Name Total Patents
#1 Hull John 11
#2 Hill Robert 2
#3 Gibson Joseph Hartliffe 2
#4 Li Guoxing 1
#5 Cheuk Philip 1
#6 Kramer Hermann 1
#7 Bucur Constantin 1
#8 Jalilian Seyed Ehsan 1

Latest patents

Publication Filing date Title
US2013207610A1 Balancing cells in a battery pack
GB190524768A Improvements in connection with the Cod Ends of Trawl Nets.
GB190510922A Improvements in connection with the Cod Ends of Trawl Nets.
GB190326084A Improvements in connection with the Ground Ropes of Trawling Nets.
GB190308863A An Improved Window Sash Fastener.
GB190308864A An Improved Construction of Tents, such as Bell Tents and Marquees Erected after the Manner of Bell Tents.
GB190220027A An Improved Oil Skin Dressing
GB190215467A An Improved Method of Constructing a Life-saving Appliance for use in connection with Buildings on Fire or for other purposes.