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HARTWELL CORP

Overview
  • Total Patents
    334
  • GoodIP Patent Rank
    43,984
  • Filing trend
    ⇧ 100.0%
About

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.

Patent filings per year

Chart showing HARTWELL CORPs patent filings per year from 1900 to 2020

Top inventors

# 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

Latest patents

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