JOHNSON DWIGHT N has a total of 38 patent applications. Its first patent ever was published in 1968. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets machines, mechanical elements and control are WALLBERG KURT AKE, ANCO INC and KITSON COMPANY.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | Canada | 7 | |
#3 | EPO (European Patent Office) | 4 | |
#4 | Japan | 3 | |
#5 | Australia | 2 | |
#6 | Brazil | 2 | |
#7 | Germany | 2 | |
#8 | Singapore | 2 | |
#9 | WIPO (World Intellectual Property Organization) | 2 | |
#10 | Argentina | 1 | |
#11 | China | 1 | |
#12 | Italy | 1 | |
#13 | Netherlands | 1 |
# | Industry | |
---|---|---|
#1 | Machines | |
#2 | Mechanical elements | |
#3 | Control | |
#4 | Civil engineering | |
#5 | Measurement | |
#6 | Agriculture |
# | Name | Total Patents |
---|---|---|
#1 | Johnson Dwight N | 30 |
#2 | Dowaito Enu Jiyonson | 3 |
#3 | Saar David A | 3 |
#4 | Smith Wade W | 3 |
#5 | Siebert Christian | 3 |
#6 | Dwight N Johnson | 2 |
#7 | Cameron Albert R | 1 |
#8 | Marti Silvio | 1 |
Publication | Filing date | Title |
---|---|---|
US2010095744A1 | Leak detector | |
US2007138201A1 | Flow volume limiting device | |
US2007068583A1 | Motor-driven hydraulic valve cartridge | |
CA2408062A1 | Pressure transducer | |
SG94760A1 | Flowmeter | |
BR0007293A | Pressure regulator and method to control the same | |
CA2126276A1 | Plumbing hookup kit | |
US5255703A | Float operated fill valve | |
US5022421A | Fluid connection method and assembly | |
US4833895A | Spin disk evaporator | |
CA1202339A | Plumbing hookup kit | |
US4065095A | Fluid level control valve | |
US4083375A | Pilot regulator | |
US3525356A | Pressure regulator |