HARTWELL CORP has a total of 334 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 1959. It filed its patents most often in United States, EPO (European Patent Office) and Canada. Its main competitors in its focus markets civil engineering, machines and transport are RAMSAUER DIETER, SOUTHCO and EMKA BESCHLAGTEILE.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 135 | |
#2 | EPO (European Patent Office) | 35 | |
#3 | Canada | 23 | |
#4 | WIPO (World Intellectual Property Organization) | 22 | |
#5 | France | 21 | |
#6 | United Kingdom | 20 | |
#7 | Germany | 19 | |
#8 | Japan | 13 | |
#9 | China | 8 | |
#10 | Italy | 7 | |
#11 | Australia | 6 | |
#12 | Switzerland | 5 | |
#13 | Israel | 5 | |
#14 | Sweden | 5 | |
#15 | Netherlands | 3 | |
#16 | Belgium | 2 | |
#17 | Spain | 2 | |
#18 | Brazil | 1 | |
#19 | Mexico | 1 | |
#20 | South Africa | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machines | |
#3 | Transport | |
#4 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Unspecified technologies | |
#2 | Bolts for doors or windows | |
#3 | Locks | |
#4 | Parachutes | |
#5 | Unspecified technologies | |
#6 | Nails | |
#7 | Aeroplanes | |
#8 | Indexing scheme relating to hinges | |
#9 | Springs | |
#10 | Hinges for doors or windows |
# | Name | Total Patents |
---|---|---|
#1 | Rozema Timothy S | 39 |
#2 | Poe Lloyd Richard | 29 |
#3 | Poe L Richard | 24 |
#4 | Anderson John P | 23 |
#5 | Poe Lloyd R | 21 |
#6 | Pratt John D | 20 |
#7 | Jackson Frank T | 18 |
#8 | Artin Bo D | 16 |
#9 | Helsley Thomas J | 14 |
#10 | Bourne William R | 12 |
Publication | Filing date | Title |
---|---|---|
WO2020159920A1 | Clevis-sensing adjustable hook latch | |
US2021108454A1 | Dual switch rotary latch | |
EP3774526A1 | Door assembly comprising hinge with two pins | |
US2019218837A1 | Pin latch with adjustable pre-load | |
EP3577023A1 | Hold open rod assembly | |
US2018216379A1 | Four-bar linkage hinge | |
WO2017156474A1 | High offset hook latch | |
WO2017040858A1 | Single link hook latch | |
WO2016040501A1 | Clevis sensing lock | |
US2016069118A1 | Hold open rod locking mechanism | |
US2017016248A1 | Tool operated channel latch | |
WO2014071270A1 | Hold open rod locking sleeve | |
WO2014062971A1 | Locking hinge with spherical bearing assemblies | |
WO2012096986A1 | Pressure relief latch mechanism | |
EP2507451A1 | Pressure relief latch, high repeatability | |
WO2011069103A1 | Pressure relief latch mechanism | |
CA2713779A1 | Tool operated channel latch | |
EP1927711A2 | Command latch and pin latch system | |
US2008067818A1 | Bifurcated latching system | |
US2008308366A1 | Viscous shear damping strut assembly |