KENNEDY JOHN M has a total of 23 patent applications. Its first patent ever was published in 1976. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets civil engineering and machines are HUAINAN RUNCHENG TECHNOLOGY CO, PROIZV OB ARMTSVETMET N and SIB G PK EXI GORNOGO MASH SIBG.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Canada | 6 | |
#3 | Australia | 3 | |
#4 | South Africa | 3 | |
#5 | United Kingdom | 2 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machines |
# | Technology | |
---|---|---|
#1 | Safety devices | |
#2 | Unspecified technologies | |
#3 | Bolts for doors or windows | |
#4 | Indexing scheme relating to hinges | |
#5 | Wing fittings | |
#6 | Locks | |
#7 | Hinges for doors or windows | |
#8 | Doors and windows |
# | Name | Total Patents |
---|---|---|
#1 | Kennedy John M | 23 |
#2 | Kennedy William R | 23 |
#3 | William R Kennedy | 1 |
#4 | John M Kennedy | 1 |
Publication | Filing date | Title |
---|---|---|
AU2004222798A1 | Mine ventilation panel system | |
US4820081A | Head seal for a mine stopping | |
US4695035A | Jack for installing a mine stopping | |
US4523406A | Door frame and door assembly for a mine stopping | |
US4484837A | Mine stopping lap-over panel clamp | |
US4478535A | Mine stopping with man door and door frame assembly | |
US4483642A | Mine stopping and method of and jack for installing same | |
US4373294A | Door for a mine stopping having knife-edge hinges | |
US4118894A | Door frame and door assembly for a mine stopping | |
US4082331A | Door for a mine stopping |