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MATTHEWS JOHN W

Overview
  • Total Patents
    15
About

MATTHEWS JOHN W has a total of 15 patent applications. Its first patent ever was published in 1914. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy, weapons and computer technology are EMISSIVE ENERGY CORP, QUANTUM LEAP RES INC and XIAN HUANIC OPTOELECTRONIC CORP.

Patent filings in countries

World map showing MATTHEWS JOHN Ws patent filings in countries
# Country Total Patents
#1 United States 15

Patent filings per year

Chart showing MATTHEWS JOHN Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Matthews John W 15
#2 Picciotta Michael D 5
#3 Squire Mark 4
#4 Hunt William A 4
#5 Buczek Mark 4
#6 Wells William 3
#7 Burayez Ammar 2
#8 Sanchez Luis M 2
#9 Mccrickerd John 1
#10 Kim Paul Y 1

Latest patents

Publication Filing date Title
US2012268920A1 Lighting device with switchable light sources
US2012106170A1 Sight system
US2012102808A1 Sight system
US2012068624A1 Lighting device with multi-position joystick
US2012068625A1 Lighting device with multiple electrical connections
US2011283589A1 Gun sight
US2010277295A1 Lighting device with selectable output level switching
US2010164401A1 Lighting device with switchable light sources
US2011169419A1 Portable lighting system responsive to selective user actuations
US2010091485A1 Switchable light sources
US3117718A Adjustable indicator dial head for cash registers
US1171621A Railroad-crossing device.
US1214343A Shock-absorber.