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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 7 | |
#2 | United States | 4 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Electrical machinery and energy |
# | Technology | |
---|---|---|
#1 | Earth drilling | |
#2 | Circuits for supplying electric power |
# | 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 |
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. |